BCGSuite for MFC
BCGCBPRODLLEXPORT UINT BCGM_ON_CLOSE_WINUI_VIEW

The message is sent to the owner of WinUI Tiles (CBCGPWinUITiles) after view window was destroyed.

Parameters
wParamcontains the control ID of the WinUI Tiles.
lParamthis parameter is ignored.
Returns
The return value is ignored.