ToolStripDropDownItem.ShowDropDown Method

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Source:

ToolStripDropDownItem.cs

Displays the ToolStripDropDownItem control associated with this ToolStripDropDownItem.

public:
 void ShowDropDown();

public void ShowDropDown ();

member this.ShowDropDown : unit -> unit

Public Sub ShowDropDown ()

Exceptions

InvalidOperationException

The ToolStripDropDownItem is the same as the parent ToolStrip.

Examples

The following code example demonstrates how to show a ToolStripDropDownItem control when a button is pressed. This code example is part of a larger example provided for the ToolStripDropDownItem class.

// This method shows the drop-down for the first item
// in the form's ToolStrip.
private void showButton_Click(object sender, EventArgs e)
{
    ToolStripDropDownItem item = this.toolStrip1.Items[0] as ToolStripDropDownItem;

    if (item.HasDropDownItems)
    {
        item.ShowDropDown();
    }
}

' This method shows the drop-down for the first item
' in the form's ToolStrip.
 Private Sub showButton_Click( _
 ByVal sender As Object, _
 ByVal e As EventArgs) _
 Handles showButton.Click

     Dim item As ToolStripDropDownItem = CType(Me.toolStrip1.Items(0), ToolStripDropDownItem)

     If item.HasDropDownItems Then
         item.ShowDropDown()
     End If

 End Sub

Remarks

Use the ShowDropDown method to display the drop-down controls that have been set by the DropDown property.