PatchMesh.LockVertexBuffer(LockFlags) Method (Microsoft.DirectX.Direct3D)
Locks the vertex buffer.
Definition
Visual Basic Public Function LockVertexBuffer( _
ByVal flags As LockFlags _
) As GraphicsStreamC# public GraphicsStream LockVertexBuffer(
LockFlags flags
);C++ public:
GraphicsStream^ LockVertexBuffer(
LockFlags flags
);JScript public function LockVertexBuffer(
flags : LockFlags
) : GraphicsStream;
Parameters
flags Microsoft.DirectX.Direct3D.LockFlags
Zero or more LockFlags that describe the type of lock to perform. For this method, the valid flags are Discard, NoDirtyUpdate, NoSystemLock, ReadOnly, and NoOverWrite. For a description of the flags, see LockFlags.
Return Value
Microsoft.DirectX.GraphicsStream
A GraphicsStream object that represents the locked vertex buffer.
Remarks
The vertex buffer is usually locked, written to, and then unlocked for reading.
Patch meshes use 16-bit index buffers.
Exceptions
The method call is invalid. For example, a method's parameter might contain an invalid value.
Microsoft Direct3D could not allocate sufficient memory to complete the call.
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