The WM_CTLCOLORSTATIC message is sent to the parent window of a static control when the control is about to be drawn. By responding to this message, the parent window can use the given device context handle to set the text and background colors of the static control.
WM_CTLCOLORSTATIC
hdcStatic = (HDC) wParam; // handle of display context
hwndStatic = (HWND) lParam; // handle of static control
Parameters
hdcStatic
Value of wParam. Identifies the device context for the static control window.
hwndStatic
Value of lParam. Identifies the static control.
Return Values
If an application processes this message, the return value is the handle of a brush that Windows uses to paint the background of the static control.
Default Action
The DefWindowProc function selects the default system colors for the static control.
Remarks
The WM_CTLCOLORSTATIC message is never sent between threads; it is sent only within the same thread.
See Also
DefWindowProc, RealizePalette, SelectPalette, WM_CTLCOLORBTN, WM_CTLCOLORDLG, WM_CTLCOLOREDIT, WM_CTLCOLORLISTBOX, WM_CTLCOLORMSGBOX, WM_CTLCOLORSCROLLBAR