MenuStrip in Windows Form (C#)

[Atran]

Hello:
I have a MenuStrip in my form, so I add a ToolStripMenuItem to the MenuStrip.
The ToolStripMenuItem has a checkBox.
-------------------------------------------------------------
Now, The ToolStripMenuItem is checked.
I want: When I click The ToolStripMenuItem, The ToolStripMenuItem be unchecked, and when I back again and click The ToolStripMenuItem, The ToolStripMenuItem be checked.
I try this code, but doesnt work:

private void ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (ToolStripMenuItem.Checked.Equals(true) == true)
            {
                ToolStripMenuItem.Checked.Equals(false);
            }
            if (ToolStripMenuItem.Checked.Equals(false) == true)
            {
                ToolStripMenuItem.Checked.Equals(true);
            }
        }
 

Thanks................

[Plater]

There is a property you can set to have this done automatically CheckOnClick

[TRScheel]

On an aside, couldnt you just write:

ToolStripMenuItem.Checked = !ToolStripMenuItem.Checked;

[Atran]

Thanks to you all................