GrapeCity.Spreadsheet アセンブリ > GrapeCity.Drawing 名前空間 > GeometryHelper クラス : CalculateAngle メソッド |
'宣言
Public Shared Function CalculateAngle( _ ByVal firstPoint As Point, _ ByVal secondPoint As Point _ ) As Double
public static double CalculateAngle( Point firstPoint, Point secondPoint )