TextBox.LineCount Property

Gets the total number of lines in the text box.

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

public int LineCount { get; }

Property Value

Type: System.Int32
The total number of lines in the text box, or –1 if layout information is not available.

If text wrapping is enabled, changing the width of the text box may change this value.

The value returned is the total number of lines in the text box, regardless of how many are currently visible.

.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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