Gets or sets the font's size, in twips, at the current input position. If text is selected, the property specifies the font size of the whole selected text.

Syntax

public int? FontSize { get; set; }
Public Property FontSize() As Nullable(Of Integer)

Examples

The following XAML example binds the FontSize property to a text box. The size is converted to Point.

?
xmlns:tx="clr-namespace:TXTextControl.WPF;assembly=TXTextControl.WPF"
?
<Window.Resources>
    <tx:MeasureConverter Unit="Point" Decimals="1" x:Key="twipsconv" />
</Window.Resources>
?
<TextBox 
    Height="21" 
    Name="textBoxFontSize" 
    Text="{Binding ElementName=textControl1,
        Path=InputFormat.FontSize,
        Converter={StaticResource twipsconv},
        Mode=TwoWay}"/>

Remarks

The property returns null when the text selection contains multiple characters with mixed font sizes.

The WPF.MeasureConverter can be used to convert the property value to another measuring unit.