`TBGRAButton`

`TCustomBGRAButton`
pt		CMChanged
pt		BoundsChanged
pt		CalculatePreferredSize
pt		GetControlClassDefaultSize
pt		Click
pt		MouseDown
pt		MouseUp
pt		MouseEnter
pt		MouseLeave
pt		MouseMove
pt		Paint
pt		SetEnabled
pt		TextChanged
		Create
		Destroy
		Assign
		BeginUpdate
		EndUpdate
		SetSizeVariables