internal bool RaiseFolderChangingEvent(ShellFolder folder) { Contract.Requires <ArgumentNullException>(folder != null); var args = new FileDialogFolderChangeEventArgs(folder); OnFolderChanging(args); return(!args.Cancel); }
protected virtual void OnFolderChanging(FileDialogFolderChangeEventArgs e) { this.FolderChanging?.Invoke(this, e); }