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TextBoxBase.VerticalOffset Property

Gets or sets the vertical scroll position.

Namespace:  System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)

public double VerticalOffset { get; }

Property Value

Type: System.Double
A floating-point value that specifies the vertical scroll position, in device-independent units (1/96th inch per unit).
Setting this property causes the text editing control to scroll to the specified vertical offset. Reading this property returns the current vertical 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.

ExceptionCondition
ArgumentException

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

The vertical offset is measured from the top of the visible text area.

The following example demonstrates how to read the value of the VerticalOffset 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;
}

.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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