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ToolStripDropDownItem.HasDropDownItems Property

Gets a value indicating whether the ToolStripDropDownItem has ToolStripDropDown controls associated with it.

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

[BrowsableAttribute(false)]
public virtual bool HasDropDownItems { get; }

Property Value

Type: System.Boolean
true if the ToolStripDropDownItem has ToolStripDropDown controls; otherwise, false.

The following code example demonstrates how to query the HasDropDownItems property to conditionally show a ToolStripDropDownItem control. 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();
    }
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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