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ComboBox.SelectedText Property

Gets or sets the text that is selected in the editable portion of a ComboBox.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
[BrowsableAttribute(false)]
public string SelectedText { get; set; }

Property Value

Type: System.String
A string that represents the currently selected text in the combo box. If DropDownStyle is set to DropDownList, the return value is an empty string ("").

You can use the SelectedText property to retrieve or change the currently selected text in a ComboBox control. However, you should be aware that the selection can change automatically because of user interaction. For example, if you retrieve the SelectedText value in a button Click event handler, the value will be an empty string. This is because the selection is automatically cleared when the input focus moves from the combo box to the button.

When the combo box loses focus, the selection point moves to the beginning of the text and any selected text becomes unselected. In this case, getting the SelectedText property retrieves an empty string, and setting the SelectedText property adds the specified value to the beginning of the text.

When the combo box gains focus, the full text in the control is automatically selected. If you call the control's Focus method to set the input focus, the full text is selected regardless of whether the control already had focus.

When the user selects an item from the drop-down list or by using the UP ARROW and DOWN ARROW keys, the text for the new item is automatically selected. However, if you try to get the SelectedText value in a SelectedIndexChanged or SelectedValueChanged event handler, the property returns an empty string. This is because, at the time of these events, the previous SelectedText value has been cleared and the new value has not yet been set. To retrieve the current value in a SelectedIndexChanged or SelectedValueChanged event handler, use the SelectedItem property instead.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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