'宣言 Public Shared Function FromCMYK( _ ByVal c As Double, _ ByVal m As Double, _ ByVal y As Double, _ ByVal k As Double, _ ByVal alpha As Byte _ ) As CMYK
public static CMYK FromCMYK( double c, double m, double y, double k, byte alpha )
CMYK 構造体 CMYK メンバ