public void Add(SystemMenuItem MI)
{
base.Add(MI);
if(MI.Text == "-")
{
AppendMenu(SystemMenuHandle,SystemMenu.SEPERATOR,MI.MenuID,null);
}
else
{
AppendMenu(SystemMenuHandle,MI.Flags,MI.MenuID,MI.Text);
}
}
/// <summary>
/// Event handler for the forms' load event, it wires up our system menu items. Doing
/// these in the constructor breaks CenterWindow.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void InstallFormBase_Load(object sender, System.EventArgs e)
{
systemMenu = new SystemMenu(this);
SystemMenuItem item = new SystemMenuItem("-", systemMenu);
systemMenu.Add(item);
item = new SystemMenuItem("&About", systemMenu);
item.Click += new EventHandler(OnAbout);
systemMenu.Add(item);
}
private static extern int _EnableMenuItem(IntPtr hMenu, SystemMenuItem uIDEnableItem, EnableMenuItemOptions uEnable);
public static EnableMenuItemOptions EnableMenuItem(IntPtr hMenu, SystemMenuItem uIDEnableItem, EnableMenuItemOptions uEnable)
{
// Returns the previous state of the menu item, or -1 if the menu item does not exist.
int iRet = _EnableMenuItem(hMenu, uIDEnableItem, uEnable);
return (EnableMenuItemOptions)iRet;
}
public void Remove(SystemMenuItem MI)
{
base.Remove(MI);
RemoveMenu(SystemMenuHandle, MI.MenuID, 0);
}
static extern MenuItemFlags GetMenuState(IntPtr hMenu, SystemMenuItem menuItem, MenuItemFlags uFlags);
public static extern uint CheckMenuItem(IntPtr hMenu, SystemMenuItem menuItem, MenuItemFlags uCheck);
public static MenuItemFlags EnableMenuItem(IntPtr hMenu, SystemMenuItem menuItem, MenuItemFlags uEnable)
{
// Returns the previous state of the menu item, or -1 if the menu item does not exist.
int iRet = _EnableMenuItem(hMenu, menuItem, uEnable);
return (MenuItemFlags)iRet;
}
private static extern int _EnableMenuItem(IntPtr hMenu, SystemMenuItem menuItem, MenuItemFlags uEnable);
