WM_SETICON
An
application sends the WM_SETICON message to associate a new large or small icon
with a window. Windows draws the large icon when the window is minimized, and the
small icon in the window s title bar.
WM_SETICON
wParam = (WPARAM) fType; // icon type
lParam = (LPARAM) (HICON) hicon; // handle of icon
Parameters
fType
Value of wParam.
Specifies the type of icon being set. This parameter can be one of the
following values:
|
Value |
Meaning |
|
ICON_BIG |
Set the
large icon for the window. |
|
ICON_SMALL |
Set the
small icon for the window. |
hicon
Value of lParam.
Identifies the new large or small icon. If this parameter is NULL, the icon
indicated by fType is removed.
Return Values
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.
Default Action
The DefWindowProc
function returns the handle of the previous large or small icon associated with
the window, depending on the value of fType.
See Also