/// <summary> /// /// </summary> /// <param name="connection"></param> /// <param name="vm">The VM to export.</param> /// <param name="host">Used for filtering purposes. May be null.</param> private void Execute(IXenConnection connection, VM vm, Host host) { /* * These properties have not been copied over to the new save file dialog. * dlg.AddExtension = true; dlg.CheckPathExists = true; dlg.CreatePrompt = false; dlg.CheckFileExists = false; dlg.OverwritePrompt = true; dlg.ValidateNames = true;*/ string filename; bool verify; // Showing this dialog has the (undocumented) side effect of changing the working directory // to that of the file selected. This means a handle to the directory persists, making // it undeletable until the program exits, or the working dir moves on. So, save and // restore the working dir... String oldDir = ""; try { oldDir = Directory.GetCurrentDirectory(); while (true) { ExportVMDialog dlg = new ExportVMDialog(); dlg.DefaultExt = "xva"; dlg.Filter = Messages.MAINWINDOW_XVA_BLURB; dlg.Title = Messages.MAINWINDOW_XVA_TITLE; if (dlg.ShowDialog(Parent) != DialogResult.OK) return; filename = dlg.FileName; verify = dlg.Verify; // CA-12975: Warn the user if the export operation does not have enough disk space to // complete. This is an approximation only. Win32.DiskSpaceInfo diskSpaceInfo = Win32.GetDiskSpaceInfo(dlg.FileName); if (diskSpaceInfo == null) { // Could not determine free disk space. Carry on regardless. break; } else { ulong freeSpace = diskSpaceInfo.FreeBytesAvailable; decimal neededSpace = vm.GetRecommendedExportSpace(Properties.Settings.Default.ShowHiddenVMs); ulong spaceLeft = 100 * Util.BINARY_MEGA; // We want the user to be left with some disk space afterwards if (neededSpace >= freeSpace - spaceLeft) { string msg = string.Format(Messages.CONFIRM_EXPORT_NOT_ENOUGH_MEMORY, Util.DiskSizeString((long)neededSpace), Util.DiskSizeString((long)freeSpace), vm.Name); DialogResult dr = new ThreeButtonDialog( new ThreeButtonDialog.Details(SystemIcons.Warning, msg), "ExportVmDialogInsufficientDiskSpace", new ThreeButtonDialog.TBDButton(Messages.CONTINUE_WITH_EXPORT, DialogResult.OK), new ThreeButtonDialog.TBDButton(Messages.CHOOSE_ANOTHER_DESTINATION, DialogResult.Retry), ThreeButtonDialog.ButtonCancel).ShowDialog(Parent); if (dr == DialogResult.Retry) { continue; } else if (dr == DialogResult.Cancel) { return; } } if (diskSpaceInfo.IsFAT && neededSpace > (4 * Util.BINARY_GIGA) - 1) { string msg = string.Format(Messages.CONFIRM_EXPORT_FAT, Util.DiskSizeString((long)neededSpace), Util.DiskSizeString(4 * Util.BINARY_GIGA), vm.Name); DialogResult dr = new ThreeButtonDialog( new ThreeButtonDialog.Details(SystemIcons.Warning, msg), "ExportVmDialogFSLimitExceeded", new ThreeButtonDialog.TBDButton(Messages.CONTINUE_WITH_EXPORT, DialogResult.OK), new ThreeButtonDialog.TBDButton(Messages.CHOOSE_ANOTHER_DESTINATION, DialogResult.Retry), ThreeButtonDialog.ButtonCancel).ShowDialog(Parent); if (dr == DialogResult.Retry) { continue; } else if (dr == DialogResult.Cancel) { return; } } break; } } } finally { Directory.SetCurrentDirectory(oldDir); } new ExportVmAction(connection, host, vm, filename, verify).RunAsync(); }