Declaration
function IsAllBlack(): boolean;
Description
Return true if all pixels are Zero.
If iebmp.IsAllBlack() then
ShowMessage( 'Image is completely black' );
if bmp.HasAlphaChannel(True) and bmp.AlphaChannel.IsAllBlack() then
ShowMessage( 'Image is completely transparent' )
else
ShowMessage( 'Image NOT transparent' );
See Also
◼Full◼SyncFull◼IsEmpty◼IsBlank