static void Main(string[] args)
{
//Call the diagram constructor to load diagram from a VDX file
Diagram vdxDiagram = new Diagram(@"E:\Aspose\Aspose Vs VSTO\Aspose.Diagram Vs VSTO Visio v1.1\Sample Files\Drawing1.vdx");
//Set some summary information about the diagram
vdxDiagram.DocumentProps.Creator = "Ijaz";
vdxDiagram.DocumentProps.Company = "Aspose";
vdxDiagram.DocumentProps.Category = "Drawing 2D";
vdxDiagram.DocumentProps.Manager = "Sergey Polshkov";
vdxDiagram.DocumentProps.Title = "Aspose Title";
vdxDiagram.DocumentProps.TimeCreated = DateTime.Now;
vdxDiagram.DocumentProps.Subject = "Visio Diagram";
vdxDiagram.DocumentProps.Template = "Aspose Template";
//Write the updated file to the disk in VDX file format
vdxDiagram.Save(@"E:\Aspose\Aspose Vs VSTO\Aspose.Diagram Vs VSTO Visio v1.1\Sample Files\output.vdx", SaveFileFormat.VDX);
}
}