title: ContextMenuStrip not closing once clicked
body: <p>I am creating a Context Menu Strip once a Rich Text Box is right clicked. There are 2 options, one to change the font and one to change the background color. However, once I click one of the menu options, the Context Menu Strip doesn't close and overlays dialogs that are displayed. I know I can make it "global" and force it to close, but I would rather not. What is the best way to handle this?  </p>
  
  <pre><code>// If the console is right clicked then show font options
  private void rtb_console_MouseUp(object sender, MouseEventArgs e)
  {
      if (e.Button == System.Windows.Forms.MouseButtons.Right)
      {
          ContextMenuStrip menu = new ContextMenuStrip();
          menu.Items.Add("Change Font");
          menu.Items.Add("Change Background Color");
          menu.Show(this, new Point(e.X, e.Y));
          menu.ItemClicked += new ToolStripItemClickedEventHandler(menu_ItemClicked_ChangeFont);
      }
  }  
  
  // Determine whether to change the font or the font background color
  void menu_ItemClicked_ChangeFont(object sender, ToolStripItemClickedEventArgs e)
  {
      Application.DoEvents();  // Read that this might help, but it doesn't
      if (e.ClickedItem.Text == "Change Font")
      {
          FontDialog font = new FontDialog();
  
          font.ShowColor = true;
          font.Font = rtb_console.Font;
          font.Color = rtb_console.ForeColor;
  
          if (font.ShowDialog() == System.Windows.Forms.DialogResult.OK)
          {
              rtb_console.Font = font.Font;
              rtb_console.ForeColor = font.Color;
          }
      }
      else if (e.ClickedItem.Text == "Change Background Color")
      {
          ColorDialog color = new ColorDialog();
          color.Color = rtb_console.BackColor;
  
          if (color.ShowDialog() == System.Windows.Forms.DialogResult.OK)
          {
              rtb_console.BackColor = color.Color;
          }
      }
  }  
  </code></pre>
  
  <p>So this is what happens:<br>
  <img src="https://i.stack.imgur.com/QIXhX.png" alt="ContextMenuStrip Persisting"></p>