TextBoxBase.ExtentWidth Property

Gets the horizontal size of the visible content area.

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

member ExtentWidth : float with get

Property Value

Type: System.Double
A floating-point value that specifies the horizontal size of the visible content area, in device-independent units (1/96th inch per unit).
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.

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

No code example is currently available or this language may not be supported.

.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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