INT 2F C - Windows 3.x - SWITCHING DOS TO FOREGROUND                            
	AX = 4006h
Notes:	called by Windows when the DOS box is about to be placed in the
	  foreground and the video driver should restore any necessary state
	  information (this may be called only in Standard mode)
	this callout is not made unless the application has first called
SeeAlso: AX=4002h,AX=4005h