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mainmenu merge
windows form的程序使用菜单mainmenu是，有时需要根据操作隐藏或显示menuitem，另外窗体类和关联的菜单项事件在一个class中，结构清晰。
do like this:
class form1: form{
public form1()
{
//
// required for windows form designer support
//
initializecomponent();
ismdicontainer = true;
menu = new mainmenu();
menuitem file = menu.menuitems.add("&file");
file.mergetype = menumerge.mergeitems;
file.mergeorder = 0;
menuitem filenew = file.menuitems.add("&new", new eventhandler(new_click));
filenew.shortcut = shortcut.ctrln;
filenew.mergeorder = 10;
}
private void new_click(object sender,eventargs e)
{
}
// other codes
}
public class doc : system.windows.forms.form
{
public doc()
{
menu = new mainmenu();
menuitem file = menu.menuitems.add("&file");
file.mergetype = menumerge.mergeitems ;
file.mergeorder = 0;
menuitem save=file.menuitems .add ("&save",new eventhandler (save_click));
save.mergetype =menumerge.mergeitems ;
save.mergeorder =9;
menuitem saveas=file.menuitems .add ("&save as",new eventhandler (saveas_click));
saveas.mergetype =menumerge.mergeitems ;
saveas.mergeorder =11;
menuitem help = menu.menuitems.add("&help");
help.mergeorder = 400;
help.menuitems.add("&about .net resourcer");
}
private void save_click(object sender,eventargs e)
{
}
private void saveas_click(object sender,eventargs e)
{
messagebox.show ("hello guys");
}
// other code
}
