Constructor.

Private Sub New()
Public Sub New(
    plotInfo As Autodesk.AutoCAD.PlottingServices.PlotInfo, 
    documentName As string, 
    copies As int modopt(IsLong), 
    plotToFile As [MarshalAs(UnmanagedType.U1)] bool, 
    fileName As string
)

private BeginDocumentEventArgs();
public BeginDocumentEventArgs(
    Autodesk.AutoCAD.PlottingServices.PlotInfo plotInfo, 
    string documentName, 
    int modopt(IsLong) copies, 
    [MarshalAs(UnmanagedType.U1)] bool plotToFile, 
    string fileName
);