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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

[BrowsableAttribute(false)]
[BindableAttribute(true)]
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

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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