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TextBoxBase.HideSelection Property

Gets or sets a value indicating whether the selected text in the text box control remains highlighted when the control loses focus.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
public bool HideSelection { get; set; }

Property Value

Type: System.Boolean
true if the selected text does not appear highlighted when the text box control loses focus; false, if the selected text remains highlighted when the text box control loses focus. The default is true.

You can use this property to keep text highlighted in a text box control while another form or a dialog box has focus, such as a spelling checker dialog box.

The following code example demonstrates how to use the HideSelection property. To run the example, paste the following code in a form. Call the InitializeTextBox method in the form's constructor or Load method.

	//Declare a textbox called TextBox1. 
	internal System.Windows.Forms.TextBox TextBox1;

	//Initialize TextBox1. 
	private void InitializeTextBox()
		this.TextBox1 = new TextBox();
		this.TextBox1.Location = new System.Drawing.Point(32, 24);
		this.TextBox1.Name = "TextBox1";
		this.TextBox1.Size = new System.Drawing.Size(136, 20);
		this.TextBox1.TabIndex = 1;
		this.TextBox1.Text = "Type and hit enter here...";

		//Keep the selection highlighted, even after textbox loses focus.
		TextBox1.HideSelection = false;
in a form. Call the InitializeTextBox method in the form's constructor or Load method.

.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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