WM_CTLCOLOREDIT
The
WM_CTLCOLOREDIT message is sent to the parent window of an edit 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 edit control.
WM_CTLCOLOREDIT
hdcEdit = (HDC) wParam; // handle of display context
hwndEdit = (HWND) lParam; // handle of static
control
Parameters
hdcEdit
Value of wParam.
Identifies the device context for the edit control window.
hwndEdit
Value of lParam.
Identifies the edit control.
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 edit control.
Default Action
The DefWindowProc
function selects the default system colors for the edit control.
Remarks
The
WM_CTLCOLOREDIT message is never sent between threads, it is only sent within
the same thread.
See Also