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WM_GETICON Overview Group

The WM_GETICON message is sent to a window to retrieve the handle of the large or small icon associated with a window. Windows displays the large icon in the Alt+Tab dialog, and the small icon in the window caption.

WM_GETICON 

fType = wParam;  // icon type

Parameters

fType

Value of wParam. Specifies the type of icon being retrieved. This parameter can be one of the following values:

Value	Meaning
ICON_BIG	Retrieve the large icon for the window.
ICON_SMALL	Retrieve the small icon for the window.

Return Values

The return value is the handle of the large or small icon, depending on the value of fType. When an application receives this message, it can return the handle of a large or small icon, or pass the message to DefWindowProc.

Default Action

DefWindowProc returns the handle of the large or small icon associated with the window, depending on the value of fType.

Remarks

When an application receives this message, it can return the handle of a large or small icon, or pass the message to DefWindowProc.