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IsAvailable Method

Checks whether the facilities of this class are available for use in the current scope.

Namespace: Autodesk.Revit.DB.DirectContext3D
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0)
Since: 2017

Syntax

C# 
public static bool IsAvailable()
Visual Basic 
Public Shared Function IsAvailable As Boolean
Visual C++ 
public:
static bool IsAvailable()

Return Value

True if the DrawContext is available for rendering, false otherwise.

Remarks

This class can perform drawing operations and access the state of parameters related to drawing only in lock-step with rendering inside of Revit. As a consequence, the facilities of this class are not available for use outside of the scope determined by the callback Autodesk::Revit::DB::DirectContext3D::IDirectContext3DServer::RenderScene(DisplayStyle). Certain methods of other DirectContext3D objects, e.g., VertexBuffer::Map() are similarly restricted by the same scope.

See Also