ThumbViewer.ThumbCornerClicked
From Jeremie Leroy - XOJO Controls Wiki
Event
ThumbViewer.ThumbCornerClicked ( Thumb As ThumbNail, Index As Integer, Corner As ThumbNailCorner, CornerIndex As Integer )
The passed Corner from the passed ThumbNail was clicked. If the Corner has a Normal and Active picture, the Corner.Active boolean property should be changed.
Corner.active = not Corner.Active