GeoMathHelperCalculateTwoLinesAngle 方法

public static double CalculateTwoLinesAngle(
	double dXStart,
	double dYStart,
	double dXEnd,
	double dYEnd,
	double dXStart2,
	double dYStart2,
	double dXEnd2,
	double dYEnd2
)

Public Shared Function CalculateTwoLinesAngle ( 
	dXStart As Double,
	dYStart As Double,
	dXEnd As Double,
	dYEnd As Double,
	dXStart2 As Double,
	dYStart2 As Double,
	dXEnd2 As Double,
	dYEnd2 As Double
) As Double

public:
static double CalculateTwoLinesAngle(
	double dXStart, 
	double dYStart, 
	double dXEnd, 
	double dYEnd, 
	double dXStart2, 
	double dYStart2, 
	double dXEnd2, 
	double dYEnd2
)

static member CalculateTwoLinesAngle : 
        dXStart : float * 
        dYStart : float * 
        dXEnd : float * 
        dYEnd : float * 
        dXStart2 : float * 
        dYStart2 : float * 
        dXEnd2 : float * 
        dYEnd2 : float -> float