void BuildGui()
{
this.Title = GettextCatalog.GetString("Select Work Item");
VBox content = new VBox();
HBox mainBox = new HBox();
queryView.Columns.Add(new ListViewColumn(string.Empty, new TextCellView(titleField)));
queryView.DataSource = queryStore;
queryView.WidthRequest = 200;
BuildQueryView();
mainBox.PackStart(queryView);
workItemList.WidthRequest = 400;
workItemList.HeightRequest = 400;
workItemList.ShowCheckboxes = true;
mainBox.PackStart(workItemList, true, true);
content.PackStart(mainBox, true, true);
HBox buttonBox = new HBox();
Button okButton = new Button(GettextCatalog.GetString("Ok"));
okButton.WidthRequest = Constants.ButtonWidth;
okButton.Clicked += (sender, e) => Respond(Command.Ok);
buttonBox.PackEnd(okButton);
content.PackStart(buttonBox);
//this.Resizable = false;
this.Content = content;
AttachEvents();
}