ViewIsValid Property

Property that indicates whether this Viewport shows the correct image. If this property is true, the following conditions are met: * No part of GUI area is flagged for refresh. * All rasterizations are complete. * The rendering pipeline has been flushed.

public virtual bool IsValid { get; }

Public Overridable ReadOnly Property IsValid As Boolean
        Get

public:
virtual property bool IsValid {
        bool get ();
}

abstract IsValid : bool with get
override IsValid : bool with get