UINT BCGM_ON_CLICK_WINUI_GROUP_CAPTION

The message is sent to the owner of WinUI Tiles (CBCGPWinUITiles) when the user clicks a group caption.

Parameters

wParam	contains the control ID of the WinUI Tiles.
lParam	a pointer to a clicked group caption (CBCGPWinUITilesGroupCaption).

Returns

The return value is ignored.