Gets or sets a value specifying whether all frame lines, including all inner frame lines, are set for the selected text. If text is selected, the property specifies this attribute for the whole selected text.
public bool AllFrameLines { get; set; }
Public Property AllFrameLines() Boolean
The following XAML example shows how to bind the All
<MenuItem
IsCheckable="True"
Header="All Frame Lines"
IsChecked="{Binding ElementName=textControl1, Path=InputFormat.AllFrameLines}" />