title: Parent form is bringing to front when the menu strip of a child form is clicked
body: <p>I have a pretty strange but reproductible problem.  </p>
  
  <p>I have a <code>MenuStrip</code> which can open a new Modeless form with the <code>Form.Show()</code> method.  </p>
  
  <p>The child form also have a Menu Strip.  </p>
  
  <p>The strange stuff happens when you start by clicking the menu strip of the child form. Then the parent form is coming back foreground and saying hello. That's a real pain.</p>
  
  <p>How to prevent this problem?</p>
  
  <p>A Scorcese movie to illustrate my problem by following this link <a href="http://www44.zippyshare.com/v/4833978/file.html" rel="nofollow">zippyshare.com</a> (3Mo)</p>
  
  <p>As you can see in the video, parent form doesn't take focus, it is just bringed front by somehing else.</p>
  
  <p>Note that repacing the <code>MenuStrip</code> by a <code>ToolStrip</code> correct the problem.</p>
  
  <p>Some Code to reproduce the problem:</p>
  
  <pre><code>public class DemoLostfocus : Form
  {
      private void InitializeComponent()
      {
          this.menuStrip1 = new MenuStrip();
          this.fileToolStripMenuItem = new ToolStripMenuItem();
          this.openModelessFormToolStripMenuItem = new ToolStripMenuItem();
          this.menuStrip1.SuspendLayout();
          this.SuspendLayout();
  
          this.menuStrip1.Items.AddRange(new ToolStripItem[] {
          this.fileToolStripMenuItem});
          this.menuStrip1.Location = new System.Drawing.Point(0, 0);
          this.menuStrip1.Name = "menuStrip1";
          this.menuStrip1.Size = new System.Drawing.Size(284, 24);
          this.menuStrip1.TabIndex = 0;
          this.menuStrip1.Text = "menuStrip1";
  
          this.fileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] {
          this.openModelessFormToolStripMenuItem});
          this.fileToolStripMenuItem.Name = "fileToolStripMenuItem";
          this.fileToolStripMenuItem.Size = new System.Drawing.Size(37, 20);
          this.fileToolStripMenuItem.Text = "File";
  
          this.openModelessFormToolStripMenuItem.Name = "openModelessFormToolStripMenuItem";
          this.openModelessFormToolStripMenuItem.Size = new System.Drawing.Size(187, 22);
          this.openModelessFormToolStripMenuItem.Text = "Open Modeless Form";
          this.openModelessFormToolStripMenuItem.Click += new System.EventHandler(this.openModelessFormToolStripMenuItem_Click);
  
          this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
          this.AutoScaleMode = AutoScaleMode.Font;
          this.ClientSize = new System.Drawing.Size(284, 262);
          this.Controls.Add(this.menuStrip1);
          this.MainMenuStrip = this.menuStrip1;
          this.Name = "DemoLostfocus";
          this.Text = "DemoLostfocus";
          this.menuStrip1.ResumeLayout(false);
          this.menuStrip1.PerformLayout();
          this.ResumeLayout(false);
          this.PerformLayout();
      }
  
      private MenuStrip menuStrip1;
      private ToolStripMenuItem fileToolStripMenuItem;
      private ToolStripMenuItem openModelessFormToolStripMenuItem;
  
      public DemoLostfocus()
      {
          InitializeComponent();
      }
  
      private void openModelessFormToolStripMenuItem_Click(object sender, EventArgs e)
      {
          (new DemoLostfocus()).Show();
      }
  }
  </code></pre>