ToolStripDropDown.Show Method (Control, Point, ToolStripDropDownDirection)

 

Positions the ToolStripDropDown relative to the specified control at the specified location and with the specified direction relative to the parent control.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void Show(
	Control control,
	Point position,
	ToolStripDropDownDirection direction
)

Parameters

control
Type: System.Windows.Forms.Control

The control (typically, a ToolStripDropDownButton) that is the reference point for the ToolStripDropDown position.

position
Type: System.Drawing.Point

The horizontal and vertical location of the reference control's upper-left corner, in pixels.

direction
Type: System.Windows.Forms.ToolStripDropDownDirection

One of the ToolStripDropDownDirection values.

Exception Condition
ArgumentNullException

The control specified by the control parameter is null.

The following code example demonstrates how to display the ToolStripDropDown control relative to the parent control.

// This method calls the ToolStripDropDown control's Show 
// method to display the ContextMenuStrip relative to the
// owning control.
private void button1_MouseUp(object sender, MouseEventArgs e)
{
    Control c = sender as Control;
    if (e.Button == MouseButtons.Right)
    {
        this.contextMenuStrip1.Show(c, e.Location, this.dropDownDirection);
    }
}

.NET Framework
Available since 2.0
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