Mouse pointer over a Label

                private void lblFile_MouseEnter(object sender, EventArgs e)

                           {

                                Label cntrl = (Label)(sender);

                  this.njb_menu_manager.showMenu(cntrl, "File");

                }

Show Menu at a point

Menu can also be shown on a particular point we just have to mention the location in the parameters where user want to get the menu to be shown.

                  this.njb_menu_manager.showMenu(pointer_location, "File");

                  Parameters: Point on screen to show menu at, Menu Name to show