CMDIChildWndEx::OnGetIconicThumbnail
Called by the framework when it needs to obtain a bitmap for the iconic thumbnail of the MDI child.
virtual HBITMAP OnGetIconicThumbnail(
int nWidth,
int nHeight
);
Parameters
nWidth
Specifies the width of the required bitmap.nHeight
Specifies the height of the required bitmap.
Requirements
Header: afxmdichildwndex.h