An application sends the WM_SETICON message to associate a new large or small icon with a window. Windows displays the large icon in the Alt+Tab dialog, and the small icon in the window caption.
WM_SETICON wParam = (WPARAM) fType; // icon type lParam = (LPARAM) (HICON) hicon; // handle of icon
Value |
Meaning |
ICON_BIG |
Set the large icon for the window. |
ICON_SMALL |
Set the small icon for the window. |
The return value is the handle of the previous large or small icon, depending on the value of fType. It is NULL if the window previously had no icon of the type indicated by fType.
The DefWindowProc function returns the handle of the previous large or small icon associated with the window, depending on the value of fType.
file: /Techref/os/win/api/win32/mess/src/msg27_25.htm, 2KB, , updated: 2000/4/7 12:20, local time: 2024/8/16 08:56,
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