.NET Framework (current version)
Gets the current width of the column, in device-independent units (1/96th inch per unit).
PresentationFramework (in PresentationFramework.dll)
member ActualWidth : float with get, private set
The width of the column in device-independent units (1/96th inch per unit). The registered default is 0. For information about what can influence the value, see DependencyProperty.
The value of the ActualWidth property is used to arrange the cells and header of the column. The value is coerced to be within the MaxWidth and MinWidth constraints.
To get the rendered width of the column, use the DisplayValue of the Width property.
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Available since 4.0
Available since 2.0