public void CreateMainMenu(Gtk.MenuBar menu)
{
// File menu
ImageMenuItem file = (ImageMenuItem)menu.Children[0];
file.Submenu = new Menu();
File.CreateMainMenu((Menu)file.Submenu);
//Edit menu
ImageMenuItem edit = (ImageMenuItem)menu.Children[1];
edit.Submenu = new Menu();
Edit.CreateMainMenu((Menu)edit.Submenu);
// View menu
ImageMenuItem view = (ImageMenuItem)menu.Children[2];
View.CreateMainMenu((Menu)view.Submenu);
// Image menu
ImageMenuItem image = (ImageMenuItem)menu.Children[3];
image.Submenu = new Menu();
Image.CreateMainMenu((Menu)image.Submenu);
//Layers menu
ImageMenuItem layer = (ImageMenuItem)menu.Children[4];
layer.Submenu = new Menu();
Layers.CreateMainMenu((Menu)layer.Submenu);
//Adjustments menu
ImageMenuItem adj = (ImageMenuItem)menu.Children[5];
adj.Submenu = new Menu();
Adjustments.CreateMainMenu((Menu)adj.Submenu);
// Effects menu
ImageMenuItem eff = (ImageMenuItem)menu.Children[6];
eff.Submenu = new Menu();
Effects.CreateMainMenu((Menu)eff.Submenu);
// Window menu
ImageMenuItem window = (ImageMenuItem)menu.Children[7];
window.Submenu = new Menu();
Window.CreateMainMenu((Menu)window.Submenu);
//Help menu
ImageMenuItem help = (ImageMenuItem)menu.Children[8];
help.Submenu = new Menu();
Help.CreateMainMenu((Menu)help.Submenu);
}