MapGraphicsStartGraphicsOperation 方法

public int StartGraphicsOperation(
	double dX,
	double dY
)

Public Function StartGraphicsOperation ( 
	dX As Double,
	dY As Double
) As Integer

public:
virtual int StartGraphicsOperation(
	double dX, 
	double dY
) sealed

abstract StartGraphicsOperation : 
        dX : float * 
        dY : float -> int 
override StartGraphicsOperation : 
        dX : float * 
        dY : float -> int