<span style="font-size:18px;"> ToolStrip toolStrip = new ToolStrip();
toolStrip.Location = new System .Drawing.Point(e.Location.X-100,e.Location.Y);
toolStrip.Width = 100;
toolStrip.Height = 30;
toolStrip.BackColor = Color.Yellow;
toolStrip.Dock = DockStyle.None;
toolStrip.Click += toolStrip_Click;
this.Controls.Add(toolStrip);</span>