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The WM_CTLCOLOR message is used in 16-bit versions of Windows to change the color scheme of list boxes, the list boxes of combo boxes, message boxes, button controls, edit controls, static controls, and dialog boxes.
Note
For information related to this message and 32-bit versions of Windows, see Remarks.
WM_CTLCOLOR
WPARAM wParam;
LPARAM lParam;
hwnd
A handle to destination window.
wParam
A handle to a display context (DC).
lParam
A handle to a child window (control).
If an application processes this message, it returns a handle to a brush. The system uses the brush to paint the background of the control.
The WM_CTLCOLOR message from 16-bit Windows has been replaced by more specific notifications. These replacements include the following:
Requirement | Value |
---|---|
Header |
|
Events
May 19, 6 PM - May 23, 12 AM
Calling all developers, creators, and AI innovators to join us in Seattle @Microsoft Build May 19-22.
Register today