Show Method (Control, Point, ToolStripDropDownDirection)

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

public void Show (
	Control control,
	Point position,
	ToolStripDropDownDirection direction
public void Show (
	Control control, 
	Point position, 
	ToolStripDropDownDirection direction
public function Show (
	control : Control, 
	position : Point, 
	direction : ToolStripDropDownDirection
Not applicable.



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


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


One of the ToolStripDropDownDirection values.

Exception typeCondition


The control specified by the control parameter is a null reference (Nothing in Visual Basic).

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);

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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