Converts RBG color from a set of red, green, and blue color components to CMY color into a set of Cyan, Magenta and Yellow components.

public ColorRGBtoCMY(
    int RedValue, 
    int GreenValue, 
    int BlueValue, 
    ref int CyanReturn, 
    ref int MagentaReturn, 
    ref int YellowReturn
);

Public Sub ColorRGBtoCMY(
    ByVal RedValue As Integer, 
    ByVal GreenValue As Integer, 
    ByVal BlueValue As Integer, 
    ByRef CyanReturn As Integer, 
    ByRef MagentaReturn As Integer, 
    ByRef YellowReturn As Integer
)