checkbox

	DragKey	Returns the drag key and mouse button state
	DragSourceControl	Identifies the source control of a drag operation
	DragSourceItem	Identifies the source control component of a drag operation
	DragTargetControl	Identifies the target control of a drag operation
	DragTargetItem	Identifies the target control component of a drag operation
	DropFileList$	List of files dropped onto control (with HEX(0D) separators)
	Label$	Label for the control
	LeftText	Displays the control label on the left of the control
	State	Determines or sets the state of a checkbox
	ThreeState	Enables/disables the third, grayed out, checkbox state
	Transparent	Makes the controls background transparent
	Click() Event	Called when the used clicks on the checkbox
	Drop() Event	Drag drop event
	DropFile() Event	Called when files are dragged on to the form