AcWin.SaveFileDialog.SaveFileDialogFlags saveFlags =
AcWin.SaveFileDialog.SaveFileDialogFlags.DoNotTransferRemoteFiles;
saveFlags |= AcWin.SaveFileDialog.SaveFileDialogFlags.ForceDefaultFolder;
AcWin.SaveFileDialog selDxf = new AcWin.SaveFileDialog("Select DXF file", "defaultDxfPathname", "dxf",
"TestSaveAs", saveFlags);
DialogResult dlgRes = selDxf.ShowDialog();
if (dlgRes != DialogResult.OK)
return;
string dxfPathname = selDxf.Filename;
Active.Document.Database.DxfOut(selDxf.Filename,16, DwgVersion.Current);