windows messages and descriptions

The documentation that is included with the Control Spy utility pointed out by Jules is pretty useful.
There is an RTF file for each of the controls in the \Control Spy Source\ folder eg.

...Control Spy\Control Spy Source\Animation\Resource\Information.rtf

The .rtf files list Notifications, Styles and Messages, with brief descriptions, for all of the featured controls.
There are descriptions of about 80 WM_ messages plus a bunch of messages that are handled directly by the controls.
The list below includes all of those messages and comments plus a further 200 odd (as yet uncommented) WM_ messages.

You could use cut-n-paste to grab the Notifications and Styles descriptions from those Control Spy Information.rtf files for a start in
that direction too..
Code:
 
 
Windows Messages,
MN_GETHMENU,Get the HMENU for the current window
WM_ACTIVATE,Window is either being activated for deactivated
WM_ACTIVATEAPP,A window belonging to another application is about to be activated
WM_ADSPROP_NOTIFY_APPLY,
WM_ADSPROP_NOTIFY_CHANGE,
WM_ADSPROP_NOTIFY_ERROR,
WM_ADSPROP_NOTIFY_EXIT,
WM_ADSPROP_NOTIFY_FOREGROUND,
WM_ADSPROP_NOTIFY_PAGEHWND,
WM_ADSPROP_NOTIFY_PAGEINIT,
WM_ADSPROP_NOTIFY_SETFOCUS,
WM_ADSPROP_SHEET_CREATE,
WM_APP,
WM_APPCOMMAND,
WM_ASKCBFORMATNAME,
WM_CANCELJOURNAL,
WM_CANCELMODE,Window is to cancel its current mode
WM_CAP_ABORT,
WM_CAP_DLG_VIDEOCOMPRESSION,
WM_CAP_DLG_VIDEODISPLAY,
WM_CAP_DLG_VIDEOFORMAT,
WM_CAP_DLG_VIDEOSOURCE,
WM_CAP_DRIVER_CONNECT,
WM_CAP_DRIVER_DISCONNECT,
WM_CAP_DRIVER_GET_CAPS,
WM_CAP_DRIVER_GET_NAME,
WM_CAP_DRIVER_GET_VERSION,
WM_CAP_EDIT_COPY,
WM_CAP_FILE_ALLOCATE,
WM_CAP_FILE_GET_CAPTURE_FILE,
WM_CAP_FILE_SAVEAS
WM_CAP_FILE_SAVEDIB
WM_CAP_FILE_SET_CAPTURE_FILE
WM_CAP_FILE_SET_INFOCHUNK
WM_CAP_GET_AUDIOFORMAT
WM_CAP_GET_MCI_DEVICE
WM_CAP_GET_SEQUENCE_SETUP
WM_CAP_GET_STATUS
WM_CAP_GET_USER_DATA
WM_CAP_GET_VIDEOFORMAT
WM_CAP_GRAB_FRAME
WM_CAP_GRAB_FRAME_NOSTOP
WM_CAP_PAL_AUTOCREATE
WM_CAP_PAL_MANUALCREATE
WM_CAP_PAL_OPEN
WM_CAP_PAL_PASTE
WM_CAP_PAL_SAVE
WM_CAP_SEQUENCE
WM_CAP_SEQUENCE_NOFILE
WM_CAP_SET_AUDIOFORMAT
WM_CAP_SET_CALLBACK_CAPCONTROL
WM_CAP_SET_CALLBACK_ERROR
WM_CAP_SET_CALLBACK_FRAME
WM_CAP_SET_CALLBACK_STATUS
WM_CAP_SET_CALLBACK_VIDEOSTREAM
WM_CAP_SET_CALLBACK_WAVESTREAM
WM_CAP_SET_CALLBACK_YIELD
WM_CAP_SET_MCI_DEVICE
WM_CAP_SET_OVERLAY
WM_CAP_SET_PREVIEW
WM_CAP_SET_PREVIEWRATE
WM_CAP_SET_SCALE
WM_CAP_SET_SCROLL,
WM_CAP_SET_SEQUENCE_SETUP,
WM_CAP_SET_USER_DATA,
WM_CAP_SET_VIDEOFORMAT,
WM_CAP_SINGLE_FRAME,
WM_CAP_SINGLE_FRAME_CLOSE,
WM_CAP_SINGLE_FRAME_OPEN,
WM_CAP_STOP,
WM_CAPTURECHANGED,Window is losing mouse capture
WM_CHANGECBCHAIN,
WM_CHANGEUISTATE,
WM_CHAR,Key down message has been translated
WM_CHARTOITEM,List box with keyboard input enabled received a character message
WM_CHILDACTIVATE,Child window activated moved sized or title bar clicked
WM_CHOOSEFONT_GETLOGFONT,
WM_CHOOSEFONT_SETFLAGS,
WM_CHOOSEFONT_SETLOGFONT,
WM_CLEAR,
WM_CLOSE,Window or application should terminate
WM_COMMAND,Window received a command notification
WM_COMPACTING,Indicates that system memory is low.
WM_COMPAREITEM,
WM_CONTEXTMENU,User clicked the right mouse button in the window
WM_COPY,Copy current selection into the clipboard in text format
WM_COPYDATA,
WM_CPL_LAUNCH,
WM_CPL_LAUNCHED,
WM_CREATE,Window created and about to be displayed
WM_CTLCOLOR,
WM_CTLCOLORBTN,
WM_CTLCOLORDLG,
WM_CTLCOLOREDIT,
WM_CTLCOLORLISTBOX,
WM_CTLCOLORSCROLLBAR,
WM_CTLCOLORSTATIC,
WM_CUT,Delete current selection
WM_DDE_ACK,
WM_DDE_ADVISE,
WM_DDE_DATA,
WM_DDE_EXECUTE,
WM_DDE_INITIATE,
WM_DDE_POKE,
WM_DDE_REQUEST,
WM_DDE_TERMINATE,
WM_DDE_UNADVISE,
WM_DEADCHAR,
WM_DELETEITEM,Items removed from the list/combo box
WM_DESTROY,Window is being destroy and has been removed from the screen
WM_DESTROYCLIPBOARD,
WM_DEVICECHANGE,Hardware configuration has changed
WM_DEVMODECHANGE,
WM_DISPLAYCHANGE,Display resolution has changed
WM_DRAWCLIPBOARD,
WM_DRAWITEM,Visual aspect of control has changed
WM_DROPFILES,
WM_DSA_SHEET_CLOSE_NOTIFY,
WM_DSA_SHEET_CREATE_NOTIFY,
WM_ENABLE,Window enabled state is changing
WM_ENDSESSION,Windows session might be ending
WM_ENTERIDLE,
WM_ENTERMENULOOP,
WM_ENTERSIZEMOVE,
WM_ENTERSIZEMOVE,Window has entered the moving or sizing modal loop
WM_ERASEBKGND,Window background must be erased
WM_EXITMENULOOP,
WM_EXITSIZEMOVE,Window has exited the moving or sizing modal loop
WM_FAX_MESSAGE,
WM_FONTCHANGE,
WM_GETDLGCODE,Chance to override default behavior to dialog box input
WM_GETFONT,Return the font with which the window is currently drawing its text
WM_GETHOTKEY,
WM_GETICON,Retrieve a handle to the large or small icon associated with a window
WM_GETMINMAXINFO,Sent to a window when the size or position is about to change
WM_GETOBJECT,
WM_GETOBJECT Window Message,
WM_GETTEXT,Retrieve corresponding window text
WM_GETTEXTLENGTH,Return length in characters of associated text
WM_HELP,
WM_HELP,User pressed F1
WM_HOTKEY,
WM_HSCROLL,Scroll event occurred in the horizontal scroll bar
WM_HSCROLLCLIPBOARD,
WM_ICONERASEBKGND,
WM_IME_CHAR,
WM_IME_COMPOSITION,IME changed composition status as a result of a key stroke
WM_IME_COMPOSITIONFULL,
WM_IME_CONTROL,
WM_IME_ENDCOMPOSITION,
WM_IME_KEYDOWN,
WM_IME_KEYUP,
WM_IME_NOTIFY,
WM_IME_REQUEST,
WM_IME_SELECT,
WM_IME_SETCONTEXT,
WM_IME_STARTCOMPOSITION,
WM_INITDIALOG,Dialog box is about to be displayed
WM_INITMENU,
WM_INITMENUPOPUP,
WM_INPUT,
WM_INPUTLANGCHANGE,Application's input language has been changed
WM_INPUTLANGCHANGEREQUEST,New input language has been chosen but not yet changed
WM_KEYDOWN,Non-system key pressed
WM_KEYUP,Non-system key released
WM_KILLFOCUS,Window is about to lose focus
WM_LBUTTONDBLCLK,User double clicked left mouse button in client area
WM_LBUTTONDOWN,User pressed left mouse button in client area
WM_LBUTTONUP,User released left mouse button in client area
WM_MBUTTONDBLCLK,
WM_MBUTTONDOWN,User pressed middle mouse button in client area
WM_MBUTTONUP,User released middle mouse button in client area
WM_MDIACTIVATE,
WM_MDICASCADE,
WM_MDICREATE,
WM_MDIDESTROY,
WM_MDIGETACTIVE,
WM_MDIICONARRANGE,
WM_MDIMAXIMIZE,
WM_MDINEXT,
WM_MDIREFRESHMENU,
WM_MDIRESTORE,
WM_MDISETMENU,
WM_MDITILE,
WM_MEASUREITEM,Provide measurements of owner drawn control
WM_MENUCHAR,
WM_MENUCOMMAND,
WM_MENUDRAG,
WM_MENUGETOBJECT,
WM_MENURBUTTONUP,
WM_MENUSELECT,
WM_MOUSEACTIVATE,
WM_MOUSEHOVER,Mouse cursor is hovering
WM_MOUSELEAVE,Mouse cursor moved out of window
WM_MOUSEMOVE,Mouse cursor moved
WM_MOUSEWHEEL,
WM_MOVE,Window has been moved.
WM_MOVING,User is moving a window
WM_NCACTIVATE,Nonclient area needs to be changed to indicate an active or inactive state.
WM_NCCALCSIZE,Size and position of client area must be calculated
WM_NCCREATE,
WM_NCCREATE,Non-client area created and is about to be displayed
WM_NCDESTROY,Non-client area is being destroyed
WM_NCHITTEST,Mouse cursor moved or button was pressed or released
WM_NCLBUTTONDBLCLK,
WM_NCLBUTTONDOWN,User pressed left mouse button in non-client area
WM_NCLBUTTONUP,
WM_NCMBUTTONDBLCLK,
WM_NCMBUTTONDOWN,
WM_NCMBUTTONUP,
WM_NCMOUSEHOVER,
WM_NCMOUSELEAVE,
WM_NCMOUSEMOVE,User moved mouse within non-client area
WM_NCPAINT,Frame must be painted
WM_NCRBUTTONDBLCLK,User double clicked right mouse button in non-client area
WM_NCRBUTTONDOWN,
WM_NCRBUTTONUP,
WM_NCXBUTTONDBLCLK,
WM_NCXBUTTONDOWN,
WM_NCXBUTTONUP,
WM_NEXTDLGCTL,
WM_NEXTMENU,
WM_NOTIFY,Control event occurred or requires information
WM_NOTIFYFORMAT,Return whether should use ANSI or Unicode structures
WM_NULL,Message performs no operation
WM_PAINT,Paint a portion of the client area
WM_PAINTCLIPBOARD,
WM_PAINTICON,
WM_PALETTECHANGED,A window has realized its logical palette
WM_PALETTEISCHANGING,
WM_PARENTNOTIFY,Sent to the parent when the child window is created destroyed or clicked
WM_PASTE,Copy current content of the clipboard to control
WM_POWER,
WM_POWERBROADCAST,
WM_PRINT,
WM_PRINTCLIENT,Render client area in current device context request
WM_PSD_ENVSTAMPRECT,
WM_PSD_FULLPAGERECT,
WM_PSD_GREEKTEXTRECT,
WM_PSD_MARGINRECT,
WM_PSD_MINMARGINRECT,
WM_PSD_PAGESETUPDLG,
WM_PSD_YAFULLPAGERECT,
WM_QUERYDRAGICON,Minimized window is about to be dragged but does not have an icon defined for its class
WM_QUERYENDSESSION,User chose to end current Windows session
WM_QUERYNEWPALETTE,Window may realize its logical palette what focus is received
WM_QUERYOPEN,Sent to an icon when the user requests that the window be restored
WM_QUERYUISTATE,
WM_QUEUESYNC,
WM_QUIT,
WM_RASDIALEVENT,
WM_RBUTTONDBLCLK,User double clicked right mouse button in client area
WM_RBUTTONDOWN,User pressed right mouse button in client area
WM_RBUTTONUP,User released right mouse button in client area
WM_RENDERALLFORMATS,
WM_RENDERFORMAT,
WM_SETCURSOR,Cursor moved within window and is not captured
WM_SETFOCUS,Window has keyboard focus
WM_SETFONT,Set desired font window is to use while drawing text
WM_SETHOTKEY,
WM_SETICON,Associate a new large or small icon with a window
WM_SETREDRAW,Allow or prevent redraws to take place
WM_SETTEXT,Set the text of the window
WM_SETTINGCHANGE,A system wide setting has changed
WM_SHOWWINDOW,Window is about to be hidden or shown
WM_SIZE,Window size has been changed
WM_SIZECLIPBOARD,
WM_SIZING,Sent to a window that the user is resizing
WM_SPOOLERSTATUS,
WM_STYLECHANGED,Window's style has changed
WM_STYLECHANGING,One or more of the window's styles is about to change
WM_SYNCPAINT,
WM_SYSCHAR,System ALT key has been translated
WM_SYSCOLORCHANGE,A change has been made to a system color setting
WM_SYSCOMMAND,User chose a command from the system menu
WM_SYSDEADCHAR,
WM_SYSKEYDOWN,System key has been pressed (F10 or ALT-key)
WM_SYSKEYUP,System key has been released (F10 or ALT-key)
WM_TCARD,
WM_THEMECHANGED,Broadcast to every window following a theme change event.
WM_TIMECHANGE,
WM_TIMER,Timer expired
WM_UNDO,
WM_UNICHAR,
WM_UNINITMENUPOPUP,
WM_UPDATEUISTATE,
WM_USER,
WM_USERCHANGED,User has logged on or off system updates the user-specific settings
WM_VKEYTOITEM,List box want keyboard input notification
WM_VSCROLL,Scroll event occurred in the vertical scroll bar
WM_VSCROLLCLIPBOARD,
WM_WINDOWPOSCHANGED,Size position or Z order has changed
WM_WINDOWPOSCHANGING,Size position or Z order is about to change
WM_WININICHANGE,A system wide setting has changed
WM_WTSSESSION_CHANGE,
WM_XBUTTONDBLCLK,
WM_XBUTTONDOWN,
WM_XBUTTONUP,
 
Messages handled directly by controls,
Animation Control,
ACM_OPEN,Open AVI clip and display first frame
ACM_PLAY,Play AVI clip
ACM_STOP,Stop AVI playback
 
ComboBox control messages,
CB_DELETESTRING,Delete string in the list box of the combo box
CB_FINDSTRINGEXACT,Find the first specified string in the combo box
CB_GETCOUNT,Retrieve the number of items in the combo box
CB_GETCURSEL,Retrieve the index of the currently selected item
CB_GETDROPPEDCONTROLRECT,Retrieve the screen coordinates of the drop-down list box
CB_GETDROPPEDSTATE,Determine whether the combo box is dropped down
CB_GETEXTENDEDUI,Determine if combo box has the default or extended user interface
CB_GETITEMDATA,Retrieve the application-supplied 32-bit associated item value
CB_GETITEMHEIGHT,Determine the height of the list items or selection field
CB_GETLBTEXT,Retrieve a string from the list of the combo box
CB_GETLBTEXTLEN,Retrieve the length of a string in the list of the combo box
CB_LIMITTEXT,Limit the text length the user may type into the combo box edit field
CB_RESETCONTENT,Remove all items from the combo box
CB_SELECTSTRING,Search the list for an item that begins with a specified string
CB_SETCURSEL,Select a string in the combo box list
CB_SETDROPPEDWITH,Set the maximum allowable width of the combo box width
CB_SETEXTENDEDUI,Select the default or extended user interface for the combo box
CB_SETITEMDATA,Set the 32-bit value associated with the combo box item
CB_SETITEMHEIGHT,Set the height of the list items or selection field of the combo box
CB_SHOWDROPDOWN,Show or hide the list box of the combo box
 
ComboBoxEx control messages,
CBEM_DELETEITEM,Remove combo box item (Mapped to CB_DELETESTRING)
CBEM_GETCOMBOCONTROL,Return handle to the child combo box control
CBEM_GETEDITCONTROL,Return handle to the edit box portion of the ComboBoxEx control
CBEM_GETEXTENDEDSTYLE,Retrieve the extended styles of the control
CBEM_GETIMAGELIST,Retrieve the handle of the associated image list
CBEM_GETITEM,Retrieve item information
CBEM_GETUNICODEFORMAT,Gets Unicode format flag (Mapped to CCM_GETUNICODEFORMAT)
CBEM_HASEDITCHANGED,Determines if user changed contents of the combo box edit control
CBEM_INSERTITEM,Insert a new item
CBEM_SETEXTENDEDSTYLE,Set extended styles of the control
CBEM_SETIMAGELIST,Set associated image list
CBEM_SETITEM,Set the attributes of an item
CBEM_SETUNICODEFORMAT,Sets Unicode format flag (Mapped to CCM_SETUNICODEFORMAT)
 
Date and Time Picker control messages,
DTM_GETMCCOLOR,Return current colors of the child month calendar
DTM_GETMCFONT,Return font of child month calendar
DTM_GETMONTHCAL,Return the handle to the child month calendar control
DTM_GETRANGE,Return the current minimum and maximum allowable system times
DTM_GETSYSTEMTIME,Return currently selected date and time
DTM_SETFORMAT,Set the date and time display format
DTM_SETMCCOLOR,Set colors of child month calendar
DTM_SETMCFONT,Set font of child month calendar
DTM_SETRANGE,Set the minimum and maximum allowable times
DTM_SETSYSTEMTIME,Set date and time
 
Header control messages,
HDM_CREATEDRAGIMAGE,Create semi-transparent version of item image used for dragging
HDM_DELETEITEM,Delete item
HDM_GETIMAGELIST,Retrieve associated image list
HDM_GETITEM,Return information about item
HDM_GETITEMCOUNT,Return count of items
HDM_GETITEMRECT,Retrieve bounding rectangle for a given item
HDM_GETORDERARRAY,Retrieve current left-to-right order of items
HDM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
HDM_HITTEST,Determine which item is at specified point
HDM_INSERTITEM,Insert new item
HDM_LAYOUT,Retrieve correct size and position of control with respect to parent window
HDM_ORDERTOINDEX,Return index value based on order
HDM_SETHOTDIVIDER,Change color of a specified divider between items
HDM_SETIMAGELIST,Assign image list to control
HDM_SETITEM,Set attributes of specified item
HDM_SETORDERARRAY,Set left-to-right order of items
HDM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
 
Hot Key control messages,
HKM_GETHOTKEY,Return virtual key code and modifier flags
HKM_SETHOTKEY,Set hot key combination
HKM_SETRULES,Define invalid and default modifier combinations
 
IP Address control messages,
IPM_CLEARADDRESS,Clear contents
IPM_GETADDRESS,Retrieve address values for all four fields
IPM_ISBLANK,Determine if all fields in control are blank
IPM_SETADDRESS,Set address values for all fields
IPM_SETFOCUS,Set focus to field
IPM_SETRANGE,Set valid range for specified field
 
List Box control messages,
LB_ADDFILE,Add filename to list
LB_ADDSTRING,Add string to list
LB_DELETESTRING,Remove string from list
LB_DIR,Add a list of filenames
LB_FINDSTRING,Locate first string that contains specified prefix
LB_FINDSTRINGEXACT,Locate first exact string match
LB_GETANCHORINDEX,Retrieve index of multiple selection anchor item
LB_GETCARETINDEX,Retrieve index of item with focus rectangle
LB_GETCOUNT,Retrieve item count
LB_GETCURSEL,Retrieve index of currently selected item
LB_GETHORIZONTALEXTENT,Retrieve scrollable width
LB_GETITEMDATA,Retrieve application-defined associated item value
LB_GETITEMHEIGHT,Retrieve item height
LB_GETITEMRECT,Retrieve dimensions of bounding item rectangle
LB_GETLOCALE,Retrieve current locale
LB_GETSEL,Retrieve selection state of an item
LB_GETSELCOUNT,Retrieve total number of selected items
LB_GETSELITEMS,Fill integer buffer with multiple selection indices
LB_GETTEXT,Retrieve item string
LB_GETTEXTLEN,Retrieve character length of item
LB_GETTOPINDEX,Retrieve index of first visible item
LB_INITSTORAGE,Pre-allocate memory for storage of a large number of items
LB_INSERTSTRING,Insert string
LB_ITEMFROMPOINT,Retrieve index of item nearest specified point
LB_RESETCONTENT,Remove all items
LB_SELECTSTRING,Search for item that begins with specified characters and select if found
LB_SELITEMRANGE,Select one or more consecutive items
LB_SELITEMRANGEEX,Select one or more consecutive items (extended)
LB_SETANCHORINDEX,Set multiple selection anchor item
LB_SETCARETINDEX,Set focus rectangle on multiple selection item
LB_SETCOLUMNWIDTH,Set column multi-column width
LB_SETCOUNT,Set count of items
LB_SETCURSEL,Select an item and scroll it into view
LB_SETHORIZONTALEXTENT,Set scrollable width
LB_SETITEMDATA,Set application-defined associated item value
LB_SETITEMHEIGHT,Set item height
LB_SETLOCALE,Set current locale
LB_SETSEL,Select a multiple selection item
LB_SETTABSTOPS,Set tab-stop positions
LB_SETTOPINDEX,Ensure an item is visible
 
List View control messages,
LVM_APPROXIMATEVIEWRECT,Calculate approximate dimensions required to display a number of items
LVM_ARRANGE,Arrange items in icon view
LVM_CREATEDRAGIMAGE,Create drag image list for specified item
LVM_DELETEALLITEMS,Remove all items
LVM_DELETECOLUMN,Remove column
LVM_DELETEITEM,Remove item
LVM_EDITLABEL,Begin in-place editing of specified item text
LVM_ENSUREVISIBLE,Ensure item is either entirely or partially visible
LVM_FINDITEM,Search for item with specified characteristics
LVM_GETBKCOLOR,Retrieve background color
LVM_GETBKIMAGE,Retrieve background image
LVM_GETCALLBACKMASK,Retrieve callback mask
LVM_GETCOLUMN,Retrieve attributes of a column
LVM_GETCOLUMNORDERARRAY,Retrieve current left-to-right column ordering
LVM_GETCOLUMNWIDTH,Return width of specified column in report or list view
LVM_GETCOUNTPERPAGE,Calculate number of items that can fit vertically while in report view
LVM_GETEDITCONTROL,Retrieve handle to edit control being used to edit text
LVM_GETEXTENDEDLISTVIEWSTYLE,Retrieve extended styles currently in use
LVM_GETHEADER,Return handle to header control being used
LVM_GETHOTCURSOR,Retrieve handle to cursor used while hot tracking is enabled
LVM_GETHOTITEM,Retrieve index of hot item
LVM_GETHOVERTIME,Return time cursor must hover oven an item before selection in hot tracking mode
LVM_GETIMAGELIST,Return handle to associated image lists
LVM_GETISEARCHSTRING,Retrieve incremental search string
LVM_GETITEM,Retrieve some or all of an item's attributes
LVM_GETITEMCOUNT,Return current number of items
LVM_GETITEMPOSITION,Return position of item
LVM_GETITEMRECT,Retrieve bounding rectangle for all or part of an item
LVM_GETITEMSPACING,Determine spacing amount between items
LVM_GETITEMSTATE,Retrieve state of an item
LVM_GETITEMTEXT,Return text associated with an item or subitem
LVM_GETNEXTITEM,Search for an item that has specified properties and relationship to another item
LVM_GETNUMBEROFWORKAREAS,Return number of working areas
LVM_GETORIGIN,Return current view origin
LVM_GETSELECTEDCOUNT,Determine number of selected items
LVM_GETSELECTIONMARK,Retrieve selection mark where multiple selection starts
LVM_GETSTRINGWIDTH,Determine width of specified string using the control's font
LVM_GETSUBITEMRECT,Retrieve information about bounding rectangle for a subitem
LVM_GETTEXTBKCOLOR,Return text background color
LVM_GETTEXTCOLOR,Return text color
LVM_GETTOOLTIPS,Return handle to associated tooltip control
LVM_GETTOPINDEX,Retrieve index of the topmost visible item when in list or report view
LVM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
LVM_GETVIEWRECT,Retrieve bounding rectangle for all items in control
LVM_GETWORKAREAS,Retrieve working areas from control
LVM_HITTEST,Determine which item (if any) exists at specified position
LVM_INSERTCOLUMN,Insert a new column
LVM_INSERTITEM,Insert a new item
LVM_REDRAWITEMS,Force items in a range to redraw
LVM_SCROLL,Scroll contents
LVM_SETBKCOLOR,Set background color
LVM_SETBKIMAGE,Set background image
LVM_SETCALLBACKMASK,Change callback mask for all items in control
LVM_SETCOLUMN,Set attributes of a column
LVM_SETCOLUMNORDERARRAY,Set left-to-right order of columns
LVM_SETCOLUMNWIDTH,Change width of a column in report or list view
LVM_SETEXTENDEDLISTVIEWSTYLE,Set extended styles currently in use
LVM_SETHOTCURSOR,Set hot cursor used for hot tracking
LVM_SETHOTITEM,Set current hot item
LVM_SETHOVERTIME,Set time needed to hover over an item before it is selected during hot tracking
LVM_SETICONSPACING,Set spacing between icons while in icon view
LVM_SETIMAGELIST,Set associated image lists
LVM_SETITEM,Set some or all of an item's attributes
LVM_SETITEMCOUNT,Set item count (allocate item memory or set virtual item count)
LVM_SETITEMPOSITION,Move item to a specified position
LVM_SETITEMPOSITION32,Move item to a specified position (32-bit coordinates)
LVM_SETITEMSTATE,Set state of an item
LVM_SETITEMTEXT,Set text associated with an item or subitem
LVM_SETSELECTIONMARK,Set selection mark in control
LVM_SETTEXTBKCOLOR,Set text background color
LVM_SETTEXTCOLOR,Set text color
LVM_SETTOOLTIPS,Set associated tooltip control
LVM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
LVM_SETWORKAREAS,Set working areas within control
LVM_SORTITEMS,Sort items based on an application-defined comparison function
LVM_SUBITEMHITTEST,Determine which item or subitem is at a given position
LVM_UPDATE,Update an item
 
Month Calendar control messages,
MCM_GETCOLOR,Retrieve color for a given portion of the control
MCM_GETCURSEL,Retrieve currently selected date
MCM_GETFIRSTDAYOFWEEK,Return first day of the week
MCM_GETMAXSELCOUNT,Return the maximum date range that can be selected
MCM_GETMAXTODAYWIDTH,"Return maximum width in pixels of ""today"" string "
MCM_GETMINREQRECT,Retrieve minimum size required to display a full month
MCM_GETMONTHDELTA,Return scroll rate
MCM_GETMONTHRANGE,Retrieve high and low limit of display
MCM_GETRANGE,Return minimum and maximum allowable dates
MCM_GETSELRANGE,Retrieve upper and lower limits of the date range currently selected
MCM_GETTODAY,"Retrieve ""today"" date information "
MCM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
MCM_HITTEST,Determine which portion of control is at specified point
MCM_SETCOLOR,Set color for a given portion of the control
MCM_SETCURSEL,Set currently selected date
MCM_SETDAYSTATE,Set day state for all visible months
MCM_SETFIRSTDAYOFWEEK,Set the first day of the week
MCM_SETMAXSELCOUNT,Set maximum number of days that may be selected
MCM_SETMONTHDELTA,Set scroll rate
MCM_SETRANGE,Set minimum and maximum allowable dates
MCM_SETSELRANGE,Set selection to a given date range
MCM_SETTODAY,"Set ""today"" section "
MCM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
 
Progress Bar control messages,
PBM_DELTAPOS,Advance by specified increment and redraw
PBM_GETPOS,Retrieve current position
PBM_GETRANGE,Retrieve information about the current high and low limits
PBM_SETBARCOLOR,Set color of indicator bar
PBM_SETBKCOLOR,Set background color
PBM_SETPOS,Set current position and redraw
PBM_SETRANGE,Set minimum and maximum values
PBM_SETRANGE32,Set 32-bit range
PBM_SETSTEP,Specify step increment
PBM_STEPIT,Advance current position by step and redraw
 
Pager control messages,
PGM_FORWARDMOUSE,Enable or disable mouse forwarding
PGM_GETBKCOLOR,Return current background color
PGM_GETBORDER,Return current border size
PGM_GETBUTTONSIZE,Return current button size
PGM_GETBUTTONSTATE,Return state of specified button
PGM_GETDROPTARGET,Retrieve drop target interface pointer (Mapped to CCM_GETDROPTARGET)
PGM_GETPOS,Return current scroll position
PGM_RECALCSIZE,Force size recalculation of contained window
PGM_SETBKCOLOR,Set current background color
PGM_SETBORDER,Set current border size
PGM_SETBUTTONSIZE,Set button size
PGM_SETCHILD,Set contained window
PGM_SETPOS,Set current scroll position
 
Property Sheet control messages,
PSM_ADDPAGE,Add new page to the end of the sheet
PSM_APPLY,Simulate selection of the Apply button
PSM_CANCELTOCLOSE,Disable Cancel button and change text of Ok button to Close
PSM_CHANGED,Inform sheet that information in a page has changed
PSM_GETCURRENTPAGEHWND,Retrieve handle to window of current page
PSM_GETTABCONTROL,Retrieve underlying Property Sheet control
PSM_ISDIALOGMESSAGE,Pass message to sheet
PSM_PRESSBUTTON,Simulate selection of a button
PSM_QUERYSIBLINGS,Pass message to all pages
PSM_REBOOTSYSTEM,Specify that the system needs to be restarted for changes to take effect
PSM_REMOVEPAGE,Remove page
PSM_RESTARTWINDOWS,Specify that Windows needs to be restarted for changed to take effect
PSM_SETCURSEL,Activate page
PSM_SETCURSELID,Activate page based on identifier
PSM_SETFINISHTEXT,Set text of the Finish button in a wizard property sheet
PSM_SETTITLE,Set title of sheet
PSM_SETWIZBUTTONS,Enable or disable Back Next and Finish buttons in a wizard property sheet
PSM_UNCHANGED,Specify that information in a page has reverted to a previous saved state
 
Rebar control messages,
RB_BEGINDRAG,Place control in drag-and-drop mode
RB_DELETEBAND,Remove band
RB_DRAGMOVE,Update drag position in control
RB_ENDDRAG,Terminate drag-and-drop operation
RB_GETBANDBORDERS,Retrieve borders of a band
RB_GETBANDCOUNT,Return band count
RB_GETBANDINFO,Return information about a specified band
RB_GETBARHEIGHT,Return height of control
RB_GETBARINFO,Return information about the control and the image list it uses
RB_GETBKCOLOR,Return background color
RB_GETCOLORSCHEME,Return color scheme information (Mapped to CCM_GETCOLORSCHEME)
RB_GETDROPTARGET,Retrieve drop target interface pointer (Mapped to CCM_GETDROPTARGET)
RB_GETPALETTE,Return current palette
RB_GETRECT,Return bounding rectangle for a given band
RB_GETROWCOUNT,Return number of rows of bands
RB_GETROWHEIGHT,Return height of a specified row
RB_GETTEXTCOLOR,Return default text color
RB_GETTOOLTIPS,Return handle of associated tooltip control
RB_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
RB_HITTEST,Determine which portion of a band is at a given point on the screen
RB_IDTOINDEX,Convert band identifier to index
RB_INSERTBAND,Insert a new band
RB_MAXIMIZEBAND,Resize band to its ideal or largest size
RB_MINIMIZEBAND,Resize band to its smallest size
RB_MOVEBAND,Move band from one index to another
RB_SETBANDINFO,Set characteristics of an existing band
RB_SETBARINFO,Set characteristics of the control
RB_SETBKCOLOR,Set default background color
RB_SETCOLORSCHEME,Set color scheme information of control (Mapped to CCM_SETCOLORSCHEME)
RB_SETPALETTE,Set the current palette
RB_SETPARENT,Set parent window
RB_SETTEXTCOLOR,Set default text color
RB_SETTOOLTIPS,Associate tooltip control
RB_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
RB_SHOWBAND,Show or hide a given band
RB_SIZETORECT,Find best layout of bands for given rectangle
 
Status Bar control messages,
SB_GETBORDERS,Return current horizontal and vertical border width
SB_GETICON,Return handle of specified icon
SB_GETPARTS,Retrieve count of parts
SB_GETRECT,Retrieve bounding rectangle of part
SB_GETTEXT,Retrieve text of specified part
SB_GETTEXTLENGTH,Return character length of text in specified part
SB_GETTIPTEXT,Return tooltip text for specified part
SB_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
SB_ISSIMPLE,Determine if in simple mode
SB_SETBKCOLOR,Set background color
SB_SETICON,Set icon of part
SB_SETMINHEIGHT,Set minimum height of drawing area
SB_SETPARTS,Set widths and number of parts
SB_SETTEXT,Set text in specified part
SB_SETTIPTEXT,Set tooltip text of specified part
SB_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
SB_SIMPLE,Set simple property
 
Toolbar control messages,
TB_ADDBITMAP,Add one or more images to list of available button images
TB_ADDBUTTONS,Add one or more buttons
TB_ADDSTRING,Add new string to list of available strings
TB_AUTOSIZE,Force resize
TB_BUTTONCOUNT,Retrieve button count
TB_BUTTONSTRUCTSIZE,Make known size of TBBUTTON structure
TB_CHANGEBITMAP,Change bitmap associated with a button
TB_CHECKBUTTON,Check or uncheck a given button
TB_COMMANDTOINDEX,Return zero-based index of button associated with command identifier
TB_CUSTOMIZE,Display Customize dialog box
TB_DELETEBUTTON,Remove a button
TB_ENABLEBUTTON,Enables or disables a specified button
TB_GETANCHORHIGHLIGHT,Return anchor highlight setting
TB_GETBITMAP,Return index of bitmap associated with a button
TB_GETBITMAPFLAGS,Returns flags for current bitmap
TB_GETBUTTON,Return information about a specified button
TB_GETBUTTONINFO,Return extended information about a specified button
TB_GETBUTTONSIZE,Retrieve dimensions of buttons
TB_GETBUTTONTEXT,Return text associated with a button
TB_GETCOLORSCHEME,Return color scheme information (Mapped to CCM_GETCOLORSCHEME)
TB_GETDISABLEDIMAGELIST,Return handle to disabled button image list
TB_GETEXTENDEDSTYLE,Return extended styles
TB_GETHOTIMAGELIST,Return handle to hot button image list
TB_GETHOTITEM,Return index of hot item
TB_GETIMAGELIST,Return handle to the default state image list
TB_GETINSERTMARK,Return current insertion mark
TB_GETINSERTMARKCOLOR,Return color used to draw insertion mark
TB_GETITEMRECT,Retrieve bounding rectangle of a button (except hidden buttons)
TB_GETMAXSIZE,Return total size of all visible buttons and separators
TB_GETOBJECT,Retrieves IDropTarget interface
TB_GETPADDING,Returns padding setting
TB_GETRECT,Return bounding rectangle of a specified button
TB_GETROWS,Return number of rows of buttons
TB_GETSTATE,Return button state information
TB_GETSTYLE,Return current control styles
TB_GETTEXTROWS,Return maximum number of text rows that can be displayed on a button
TB_GETTOOLTIPS,Retrieve handle of the tooltip control
TB_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
TB_HIDEBUTTON,Hide or show specified button
TB_HITTEST,Determine where point lies in control
TB_INDETERMINATE,Sets or clears indeterminate button state
TB_INSERTBUTTON,Insert a button
TB_INSERTMARKHITTEST,Retrieves insertion mark information for a point
TB_ISBUTTONCHECKED,Determines if button is checked
TB_ISBUTTONENABLED,Determines if button is enabled
TB_ISBUTTONHIDDEN,Determines if button is hidden
TB_ISBUTTONHIGHLIGHTED,Determines if button is highlighted
TB_ISBUTTONINDETERMINATE,Determines if button is indeterminate
TB_ISBUTTONPRESSED,Determines if button is pressed
TB_LOADIMAGES,Load bitmaps in control's image list
TB_MAPACCELERATOR,Maps an accelerator character to a button
TB_MARKBUTTON,Set highlight state of a given button
TB_MOVEBUTTON,Move button from one index to another
TB_PRESSBUTTON,Presses or releases a specified button
TB_REPLACEBITMAP,Replace an existing bitmap with a new bitmap
TB_SAVERESTORE,Save or restore the state of the control
TB_SETANCHORHIGHLIGHT,Set the anchor highlight setting
TB_SETBITMAPSIZE,Set size of bitmap images
TB_SETBUTTONINFO,Set information for an existing button
TB_SETBUTTONSIZE,Set size of buttons to be added to control
TB_SETBUTTONWIDTH,Set the minimum and maximum button widths
TB_SETCMDID,Set the command identifier of a button
TB_SETCOLORSCHEME,Set the color scheme information of control (Mapped to CCM_SETCOLORSCHEME)
TB_SETDISABLEDIMAGELIST,Set image list for displaying disabled buttons
TB_SETDRAWTEXTFLAGS,Set text drawing flags of control
TB_SETEXTENDEDSTYLE,Set extended styles of control
TB_SETHOTIMAGELIST,Set image list for displaying hot buttons
TB_SETHOTITEM,Set current hot item
TB_SETIMAGELIST,Set image list for displaying normal buttons
TB_SETINDENT,Set indentation for first button in control
TB_SETINSERTMARK,Set current insertion mark
TB_SETINSERTMARKCOLOR,Set color used for insertion mark
TB_SETMAXTEXTROWS,Set maximum number of text rows for display
TB_SETPADDING,Set padding for control
TB_SETPARENT,Set destination of notification messages
TB_SETROWS,Set number of rows of buttons
TB_SETSTATE,Set state of button
TB_SETSTYLE,Set style of control
TB_SETTOOLTIPS,Associate tooltip control
TB_SETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
 
Trackbar control messages,
TBM_CLEARSEL,Clear current selection range
TBM_CLEARTICS,Remove current tick marks
TBM_GETBUDDY,Retrieve handle to buddy window
TBM_GETCHANNELRECT,Retrieve bounding rectangle of channel
TBM_GETLINESIZE,Retrieve number of logical positions slider moves in response to arrow keys
TBM_GETNUMTICS,Retrieve number of tick marks
TBM_GETPAGESIZE,Retrieve number of logical positions slider moves in response to page up/down keys
TBM_GETPOS,Return logical position
TBM_GETPTICS,Retrieve pointer to array of positions of tick marks
TBM_GETRANGEMAX,Retrieve maximum position for slider
TBM_GETRANGEMIN,Retrieve minimum position for slider
TBM_GETSELEND,Retrieve ending position of current selection range
TBM_GETSELSTART,Retrieve starting position of current selection range
TBM_GETTHUMBLENGTH,Retrieve length of the slider
TBM_GETTHUMBRECT,Retrieve bounding rectangle of slider
TBM_GETTIC,Retrieve logical position of a tick mark
TBM_GETTICPOS,Retrieve current physical position of a tick mark
TBM_GETTOOLTIPS,Retrieve handle of assigned tooltip control
TBM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
TBM_SETBUDDY,Assign buddy window
TBM_SETLINESIZE,Set number of logical positions slider moves in response to arrow keys
TBM_SETPAGESIZE,Set number of logical positions slider moves in response to page up/down keys
TBM_SETPOS,Set logical position
TBM_SETRANGE,Set range of minimum and maximum logical positions of slider
TBM_SETRANGEMAX,Set maximum logical position of slider
TBM_SETRANGEMIN,Set minimum logical position of slider
TBM_SETSEL,Set starting and ending logical positions for current selection range
TBM_SETSELEND,Set ending logical position of current selection range
TBM_SETSELSTART,Set starting logical position of current selection range
TBM_SETTHUMBLENGTH,Set length of the slider
TBM_SETTIC,Set tick mark a specified logical position
TBM_SETTICFREQ,Set interval frequency for tick marks
TBM_SETTIPSIDE,Position tooltip control
TBM_SETTOOLTIPS,Set associated tooltip control
TBM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
 
Tab control messages,
TCM_ADJUSTRECT,Calculate display area given a window rectangle
TCM_DELETEALLITEMS,Remove all items
TCM_DELETEITEM,Remove a specified item
TCM_DESELECTALL,Reset items
TCM_GETCURFOCUS,Return index of item that has current focus
TCM_GETCURSEL,Return current selection
TCM_GETEXTENDEDSTYLE,Return extended styles currently in use
TCM_GETIMAGELIST,Return handle to associated image list
TCM_GETITEM,Return information about an item
TCM_GETITEMCOUNT,Return item count
TCM_GETITEMRECT,Return bounding rectangle of item
TCM_GETROWCOUNT,Return current number of rows
TCM_GETTOOLTIPS,Return handle associated image list
TCM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
TCM_HIGHLIGHTITEM,Set highlight state of an item
TCM_HITTEST,Determine which item if any is at a specified screen coordinate
TCM_INSERTITEM,Insert a new item
TCM_REMOVEIMAGE,Remove image from associated image list
TCM_SETCURFOCUS,Set focus to a specified item
TCM_SETCURSEL,Select item
TCM_SETEXTENDEDSTYLE,Set extended styles
TCM_SETIMAGELIST,Assign image list
TCM_SETITEM,Set some or all item attributes
TCM_SETITEMEXTRA,Set number of bytes per item reserved for application-defined data
TCM_SETITEMSIZE,Set item width and height
TCM_SETMINTABWIDTH,Set minimum width of item
TCM_SETPADDING,Set amount of padding space around item's text and icon
TCM_SETTOOLTIPS,Assign tooltip control
TCM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
 
Tooltip control messages,
TTM_ACTIVATE,Activate or deactivate control
TTM_ADDTOOL,Register tool
TTM_DELTOOL,Remove tool
TTM_ENUMTOOLS,Retrieve tool information by index
TTM_GETCURRENTTOOL,Retrieve information about the current tool
TTM_GETDELAYTIME,Retrieve initial pop-up or reshow duration
TTM_GETMARGIN,Retrieve top left bottom and right display margin
TTM_GETMAXTIPWIDTH,Retrieve maximum ideal display window width
TTM_GETTEXT,Retrieve tool text
TTM_GETTIPBKCOLOR,Retrieve control background color
TTM_GETTIPTEXTCOLOR,Retrieve control text color
TTM_GETTOOLCOUNT,Retrieve registered tool count
TTM_GETTOOLINFO,Retrieve tool information
TTM_HITTEST,Test point to determine if within specified tool
TTM_NEWTOOLRECT,Set a new bounding rectangle for a tool
TTM_POP,Remove display window
TTM_RELAYEVENT,Pass mouse message to control
TTM_SETDELAYTIME,Set initial pop-up or reshow duration
TTM_SETMARGIN,Set top left bottom and right display margin
TTM_SETMAXTIPWIDTH,Set maximum ideal display window width
TTM_SETTIPBKCOLOR,Set control background color
TTM_SETTIPTEXTCOLOR,Set control text color
TTM_SETTOOLINFO,Set tool information
TTM_TRACKACTIVATE,Activate or deactivate tracking mode
TTM_TRACKPOSITION,Set tracking position
TTM_UPDATE,Force display window to be redrawn
TTM_UPDATETIPTEXT,Set tool text
TTM_WINDOWFROMPOINT,Used for displaying text for a tool other than that beneath the cursor
 
Tree View control messages,
TVM_CREATEDRAGIMAGE,Create a dragged bitmap image
TVM_DELETEITEM,Remove an item from the tree
TVM_EDITLABEL,Begin in-place editing of an item
TVM_ENDEDITLABELNOW,Terminate editing of an item
TVM_ENSUREVISIBLE,Ensure item is visible
TVM_EXPAND,Expand or collape a parent's child items
TVM_GETBKCOLOR,Return the current background color
TVM_GETCOUNT,Return count of items
TVM_GETEDITCONTROL,Return handle to in-place edit control
TVM_GETIMAGELIST,Return handle to the associated normal or state image list
TVM_GETINDENT,Return indention distance between parent and child items
TVM_GETINSERTMARKCOLOR,Return color used to draw the insertion mark
TVM_GETISEARCHSTRING,Return incrememtal search string
TVM_GETITEM,Return some or all of an items attributes
TVM_GETITEMHEIGHT,Return current height of an item
TVM_GETITEMRECT,Return bounding rectangle of an item and indicate whether its visible
TVM_GETNEXTITEM,Return item that has the specified relationship to the given item
TVM_GETSCROLLTIME,Return maximum scroll time
TVM_GETTEXTCOLOR,Return current text color
TVM_GETTOOLTIPS,Return handle to child tool tip control
TVM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
TVM_GETVISIBLECOUNT,Return number of fully visible items
TVM_HITTEST,Return item handle that occupies specified point
TVM_INSERTITEM,Insert a new item
TVM_SELECTITEM,Select scroll to or redraw item
TVM_SETBKCOLOR,Set the background color
TVM_SETIMAGELIST,Associate normal or state image list
TVM_SETINDENT,Set width of indention between parent items and their children
TVM_SETINSERTMARK,Set insertion mark
TVM_SETINSERTMARKCOLOR,Set color used to draw the insertion mark
TVM_SETITEM,Set some or all of an items attributes
TVM_SETITEMHEIGHT,Set the height of items
TVM_SETSCROLLTIME,Set the maximum scroll time
TVM_SETTEXTCOLOR,Set the text color
TVM_SETTOOLTIPS,Set the child tooltip control
TVM_SETUNICODEFORMAT,Set the UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
TVM_SORTCHILDREN,Sort child items of parent
TVM_SORTCHILDRENCB,Sort child items of parent via callback
 
Up-Down control messages,
UDM_GETACCEL,Retrieve acceleration information
UDM_GETBASE,Retrieve current radix base
UDM_GETBUDDY,Retrieve handle to current buddy window
UDM_GETPOS,Retrieve current position
UDM_GETRANGE,Retrieve range
UDM_GETRANGE32,Retrieve 32-bit range
UDM_GETUNICODEFORMAT,Return UNICODE character format flag (Mapped to CCM_GETUNICODEFORMAT)
UDM_SETACCEL,Set acceleration
UDM_SETBASE,Set radix base for buddy window display
UDM_SETBUDDY,Set buddy window
UDM_SETPOS,Set current position
UDM_SETRANGE,Set range
UDM_SETRANGE32,Set 32-bit range
UDM_SETUNICODEFORMAT,Set UNICODE character format flag (Mapped to CCM_SETUNICODEFORMAT)
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