Here for GdPicture technical support purpose.

public GdPictureStatus SupportFunc(
    int SupportID, 
    int ImageID, 
    ref Double ParamDouble1, 
    ref Double ParamDouble2, 
    ref Double ParamDouble3, 
    ref int ParamInteger1, 
    ref int ParamInteger2, 
    ref int ParamInteger3, 
    ref String sParamString1, 
    ref String sParamString2, 
    ref String sParamString3
);

Public Function SupportFunc(
    ByVal SupportID As Integer, 
    ByVal ImageID As Integer, 
    ByRef ParamDouble1 As Double, 
    ByRef ParamDouble2 As Double, 
    ByRef ParamDouble3 As Double, 
    ByRef ParamInteger1 As Integer, 
    ByRef ParamInteger2 As Integer, 
    ByRef ParamInteger3 As Integer, 
    ByRef sParamString1 As String, 
    ByRef sParamString2 As String, 
    ByRef sParamString3 As String
) As GdPictureStatus