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Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
-
Header File
winuser.h
Unicode
No
Platform Notes
None

WM_CTLCOLORLISTBOX

The WM_CTLCOLORLISTBOX message is sent to the parent window of a list box before Windows draws the list box. By responding to this message, the parent window can set the text and background colors of the list box by using the given display device context handle.

WM_CTLCOLORLISTBOX

hdcLB = (HDC) wParam; // handle of list box display context

hwndLB = (HWND) lParam; // handle of list box

Parameters

hdcLB

Value of wParam. Identifies the device context for the list box.

hwndLB

Value of lParam. Identifies the list box.

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 list box.

Default Action

The DefWindowProc function selects the default system colors for the list box.

Remarks

The WM_CTLCOLORLISTBOX message is never sent between threads. It is sent only within one thread.

See Also

DefWindowProc
, RealizePalette, SelectPalette, WM_CTLCOLORBTN, WM_CTLCOLORDLG, WM_CTLCOLOREDIT, WM_CTLCOLORMSGBOX, WM_CTLCOLORSCROLLBAR, WM_CTLCOLORSTATIC

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