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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| -
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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WM_CTLCOLORSCROLLBAR
The WM_CTLCOLORSCROLLBAR message is sent to the parent window of a scroll bar
control when the control is about to be drawn. By responding to this message,
the parent window can use the given display context handle to set the background
color of the scroll bar control.
WM_CTLCOLORSCROLLBAR
hdcSB = (HDC) wParam; // handle of scroll-bar display context
hwndSB = (HWND) lParam; // handle of scroll bar
Parameters
hdcSB
Value of wParam. Identifies the device context for the scroll bar control.
hwndSB
Value of lParam. Identifies the scroll bar.
Return Values
If an application processes this message, it must return the handle of a
brush. Windows uses the brush to paint the background of the scroll bar control.
Default Action
The DefWindowProc function selects the default system colors for the scroll bar control.
Remarks
The WM_CTLCOLORSCROLLBAR message is never sent between threads; it is only
sent within the same thread.
See Also
DefWindowProc, RealizePalette, SelectPalette, WM_CTLCOLORBTN, WM_CTLCOLORDLG, WM_CTLCOLOREDIT, WM_CTLCOLORLISTBOX, WM_CTLCOLORMSGBOX, WM_CTLCOLORSTATIC
Related Links
Software for Delphi and C++ Builder developers
Software for Visual Studio .NET developers
Software for Visual Basic 6 developers
Delphi Tips&Tricks
MegaDetailed.NET
TMS Scripter Studio Pro components for Delphi/C++Builder
More Online Helps
Win32 Multimedia Programmer's Reference (mmedia.hlp)
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Microsoft Windows Telephony API (TAPI) Programmer's Reference (tapi.hlp)
Unix Manual Pages
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