public void Dispose()
{
this.windowMenuItemCount = 0;
this.ResizeLists();
if (this.mdiParent != null)
{
this.mdiParent.MdiChildActivate -= new EventHandler(mdiParent_MdiChildActivate);
}
this.windowMenu = null;
this.mdiParent = null;
}
/// <summary>
/// Resizes the lists associated to the menu items which denote the last active MDI Children.
/// </summary>
private void ResizeLists()
{
if (windowMenuItemCount == 0)
{
if (separator != null)
{
windowMenu.Items.Remove(separator);
separator.Dispose();
separator = null;
}
for (int i = 0; i < windowMenuItems.Length; i++)
{
if (windowMenuItems[i] != null)
{
windowMenu.Items.Remove(windowMenuItems[i]);
windowMenuItems[i].Dispose();
}
}
if (moreWindows != null)
{
windowMenu.Items.Remove(moreWindows);
moreWindows.Dispose();
moreWindows = null;
}
}
this.windowMenuItems = RedimPreserveArray(windowMenuItemCount, windowMenuItems);
this.lastActiveMDIChildren = RedimPreserveArray(windowMenuItemCount, lastActiveMDIChildren);
if (windowMenuItemCount > 0)
{
if (separator == null)
{
separator = (ImageMenuItem)Activator.CreateInstance(windowMenu.GetType());//new ImageMenuItem("-Windows");
separator.Text = "-Windows";
windowMenu.Items.Add(separator);
}
for (int i = 0; i < windowMenuItems.Length; i++)
{
if (windowMenuItems[i] == null)
{
windowMenuItems[i] = (ImageMenuItem)Activator.CreateInstance(windowMenu.GetType());
windowMenu.Items.Add(windowMenuItems[i]);
windowMenuItems[i].Click += new EventHandler(windowMenuItemsAtI_Click);
}
}
if (moreWindows == null)
{
moreWindows = (ImageMenuItem)Activator.CreateInstance(windowMenu.GetType());//new ImageMenuItem("&Windows...");
moreWindows.Text = "&Windows...";
windowMenu.Items.Add(moreWindows);
moreWindows.Click += new EventHandler(moreWindows_Click);
}
}
}
public MDIListHandler(ImageMenuItem windowMenu, Form mdiParent)
{
this.mdiParent = mdiParent;
this.windowMenu = windowMenu;
this.mdiParent.MdiChildActivate += new EventHandler(mdiParent_MdiChildActivate);
ResizeLists();
if (windowMenu != null && windowMenu.GetMainMenu() != null && windowMenu.GetMainMenu().GetForm() != null)
{
activeCache.AddRange(windowMenu.GetMainMenu().GetForm().MdiChildren);
}
PushActive(null);
}
void windowMenuItemsAtI_Click(object sender, EventArgs e)
{
if (sender is ImageMenuItem)
{
ImageMenuItem clickedItem = (ImageMenuItem)sender;
if (clickedItem == null)
{
return;
}
if (clickedItem.Tag is Form)
{
Form clickedForm = (Form)clickedItem.Tag;
clickedForm.Activate();
}
}
}
