public int readPersistFile()
{
GraphicsLibrary.PolylineObjClass obj = new GraphicsLibrary.PolylineObjClass();
IPersistFile pf = (IPersistFile)obj;
pf.Load(kFileName, 0);
foreach (GraphicsLibrary.PolyPoint ptt in obj.Points)
{
Trace.WriteLine(String.Format("point ({0}, {1})", ptt.x, ptt.y));
}
Marshal.ReleaseComObject(pf);
Marshal.ReleaseComObject(obj);
return 0;
}
public int writePersistFile()
{
GraphicsLibrary.PolylineObjClass obj = new GraphicsLibrary.PolylineObjClass();
GraphicsLibrary.PolyPoint pt = new GraphicsLibrary.PolyPoint();
pt.x = 1;
pt.y = 3;
GraphicsLibrary.PolyPoint pt2 = new GraphicsLibrary.PolyPoint();
pt2.x = 100;
pt2.y = 300;
GraphicsLibrary.PolyPoint[] pts = new GraphicsLibrary.PolyPoint[] { pt, pt2 };
obj.Points = pts;
foreach (GraphicsLibrary.PolyPoint ptt in pts)
{
Trace.WriteLine(String.Format("point ({0}, {1})", ptt.x, ptt.y));
}
IPersistFile pf = (IPersistFile)obj;
pf.Save(kFileName, true);
pf.SaveCompleted(kFileName);
Marshal.ReleaseComObject(pf);
Marshal.ReleaseComObject(obj);
return 0;
}