SpeedButton (. . 1). , , , .
SpeedButton, , Caption , , .
Glyph , 2 BitBtn. NumGlyphs , Layout Margin , Spacing (, , - ).
SpeedButton GroupIndex ( ), AllowAllUp ( ) Down ( ). GroupIndex = 0, , Button BitBtn. , . AllowAllUp Down .
Grouplndex > 0 AllowAllUp = true, . ( , , AllowAllUp = true). Down true, .
, GroupIndex, . , , . AllowAllUp. true, , , . AllowAllUp false, . , , , OnClick, .
Down: true, . OnClick Down , .