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TextBoxBase.HorizontalOffset Property

Gets or sets the horizontal scroll position.

Namespace: System.Windows.Controls.Primitives
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public double HorizontalOffset { get; }
/** @property */
public double get_HorizontalOffset ()

public function get HorizontalOffset () : double

You cannot use this property in XAML.

Property Value

A floating-point value that specifies the horizontal scroll position, in device-independent units (1/96th inch per unit). Setting this property causes the text editing control to scroll to the specified horizontal offset. Reading this property returns the current horizontal offset. The value of this property is 0.0 if the text editing control is not configured to support scrolling. This property has no default value.

Exception typeCondition

ArgumentException

An attempt is made to set this property to a negative value.

The horizontal offset is measured from the right of the visible text area if you are working in right-to-left mode; otherwise, it is measured from the left.

The following example demonstrates how to read the value of the HorizontalOffset property.

private void initValues(object sender, EventArgs e)
{
    myTB1.Text= "ExtentHeight is currently " + myTextBox.ExtentHeight.ToString();
    myTB2.Text= "ExtentWidth is currently " + myTextBox.ExtentWidth.ToString();
    myTB3.Text= "HorizontalOffset is currently " + myTextBox.HorizontalOffset.ToString();
    myTB4.Text= "VerticalOffset is currently " + myTextBox.VerticalOffset.ToString();
    myTB5.Text = "ViewportHeight is currently " + myTextBox.ViewportHeight.ToString();
    myTB6.Text = "ViewportWidth is currently " + myTextBox.ViewportWidth.ToString();
    radiobtn1.IsChecked = true;
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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