Read Only Style

[George Bleck]

The edit control can be set with a read only style. Do CheckBox's, or ComboBox's have a similar style or a way to prevent changing the state?

*** OR ***

I can detect the CheckBox control getting focus and redirect it but how would I then change the color of the check box from white to gray to match the read only style.

Disabled style is not an option due to the fact it makes the text inside of it dark gray in lieu of black.

I checked the WIN32API and it appears there isn't an equivelent style that I can ascertain.

P.S. To further add to it I am using a custom bitmap background for the dialog

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George W. Bleck
Senior System Engineer
KeySpan Corporation


[This message has been edited by George Bleck (edited October 04, 2000).]

[Eric Pearson]

You could try drawing a checkbox instead of using the checkbox control. Take a look at the DrawFrameControl API... It allows you to draw a checkbox in any state, and clicking on it will have no more effect than clicking on a bitmap.

-- Eric

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[George Bleck]

Eric,

Thanks for the suggestion, but in my case I have edit controls that are read only and as such appear gray w/black text

I need to get the checkbox's gray w/black text as well so as to not ruin the "look" of the dialog.

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George W. Bleck
Senior System Engineer
KeySpan Corporation

[Semen Matusovski]

Subclassing solves a lot of problems.

   #Compile Exe
   #Dim All
   #Register None
   #Include "Win32Api.Inc"

   Global CheckBoxProcOr As Long

   CallBack Function CheckBoxProc
      Select Case CbMsg
         Case %WM_NCHITTEST: Function = %HTNOWHERE: Exit Function
         Case %WM_KEYDOWN, %WM_KEYUP, %WM_CHAR: Exit Function
         Case %WM_DESTROY: SetWindowLong CbHndl, %GWL_WNDPROC, CheckBoxProcOr: Exit Function
      End Select
      Function = CallWindowProc(CheckBoxProcOr, CbHndl, CbMsg, CbWparam, CbLparam)
   End Function

   CallBack Function DlgProc
      Select Case CbMsg
         Case %WM_INITDIALOG
            Control Add Button, CbHndl, 101,"Button 1", 10, 5, 80, 15
            Control Add CheckBox, CbHndl, 102, "Click me", 10, 25, 80, 15
            Control Add Button, CbHndl, 103,"Button 2", 10, 45, 80, 15
            Control Set Check CbHndl, 102, %True
            CheckBoxProcOr = SetWindowLong(GetDlgItem(CbHndl, 102), %GWL_WNDPROC, CodePtr(CheckBoxProc))
      End Select
   End Function


   Function PbMain
      Local hDlg As Long
      Dialog New 0 ,"Test",,, 100, 70, %WS_SYSMENU Or %WS_CAPTION Or %WS_MINIMIZEBOX To hDlg
      Dialog Show Modal hDlg, Call DlgProc
   End Function

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