Gets or sets the child control hosted by the WindowsFormsHost element.
Assembly: WindowsFormsIntegration (in WindowsFormsIntegration.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
An attempt was made to assign a top-level form as the hosted control.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.