.NET Framework 4.6 and 4.5
Get or sets whether and how the window is sized to its content.
member SizeToContent : SizeToContent with get, set
End users might indirectly set this property through application UI, if that functionality is exposed by the application.
Scale transformations should not be applied to the RootVisual of an HwndSource, because this can disable SizeToContent behavior. See Remarks for RootVisual.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1