public override void Run(Altaxo.Graph.GUI.GraphController ctrl) { System.IO.Stream myStream; SaveFileDialog saveFileDialog1 = new SaveFileDialog(); saveFileDialog1.Filter = "Tiff files (*.tif)|*.tif|All files (*.*)|*.*"; saveFileDialog1.FilterIndex = 1; saveFileDialog1.RestoreDirectory = true; if (saveFileDialog1.ShowDialog() == DialogResult.OK) { if ((myStream = saveFileDialog1.OpenFile()) != null) { ctrl.SaveAsBitmap(myStream,300,System.Drawing.Imaging.ImageFormat.Tiff); myStream.Close(); } // end openfile ok } // end dlgresult ok }