MouseDown Event

ActiveXControl	Animation	Button
ButtonEdit	Calendar	Circle
ColorButton	Combo	ComboEx
DateTimePicker	Edit	Ellipse
Form	Group	Image
Label	List	ListView
Marker	MDIClient	Poly
ProgressBar	PropertyPage	Rect
RichEdit	Scroll	SM
Spinner	Static	StatusBar
StatusField	SubForm	SysTrayItem
TabBar	TabBtn	Text
ToolBar	ToolButton	ToolControl
TrackBar	TreeView	UpDown