'宣言 Public Shared Function _buildRotateMatrix( _ ByVal angle As Double, _ Optional ByVal center As IPoint _ ) As IMatrix
'宣言
Public Shared Function _buildRotateMatrix( _ ByVal angle As Double, _ Optional ByVal center As IPoint _ ) As IMatrix
public static IMatrix _buildRotateMatrix( double angle, IPoint center )
_MatrixUtility クラス _MatrixUtility メンバ