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VertexBuffer.Map

Method
Description:
Maps a portion of the buffer into memory, so that vertex data can be written into it. (see ).
Syntax
public void Map(
	int sizeInFloats
)
Parameters
Parameter Type Description
sizeInFloats Int32 The size of the part of the buffer to be mapped, measured in floats. Must be less than or equal to the size of the <a href="329e5617-ce46-a993-1131-85c64f0842f2.htm">VertexBuffer</a>
Return Value
Exceptions
Exception Condition
InvalidOperationException This VertexBuffer is not available because Revit is not currently rendering. In general, this VertexBuffer must be used in the scope of the RenderScene() callback of IDirectContext3DServer. -or- Thrown if the buffer is smaller than sizeInFloats.