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ComboBox.IsDropDownOpen Property

Gets or sets a value that indicates whether the drop-down for a combo box is currently open.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

[BindableAttribute(true)]
[BrowsableAttribute(false)]
public bool IsDropDownOpen { get; set; }
<object IsDropDownOpen="bool" .../>

Property Value

Type: System.Boolean
true if the drop-down is open; otherwise, false. The default is false.

The following example shows how to use the IsDropDownOpen property to create a combo box with the drop down control opened when the combo box is initiated.

<Setter Property = "IsDropDownOpen" Value="true"/>

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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