BaseMesh.LockIndexBuffer Method

Language:

Locks an index buffer and obtains the index buffer data.

Definition

Visual Basic Public Function LockIndexBuffer( _
    ByVal typeIndex As Type, _
    ByVal flags As LockFlags, _
    ByVal ranks() As Integer _
) As Array

C# public Array LockIndexBuffer(
    Type typeIndex,
    LockFlags flags,
    int[] ranks
);

C++ public:
Array^ LockIndexBuffer(
    Type^ typeIndex,
    LockFlags flags,
    array<int>^ ranks
);

JScript public function LockIndexBuffer(
    typeIndex : Type,
    flags : LockFlags,
    ranks : int[]
) : Array;

Visual Basic	Public Function LockIndexBuffer( _ ByVal typeIndex As Type, _ ByVal flags As LockFlags, _ ByVal ranks() As Integer _ ) As Array
C#	public Array LockIndexBuffer( Type typeIndex, LockFlags flags, int[] ranks );
C++	public: Array^ LockIndexBuffer( Type^ typeIndex, LockFlags flags, array<int>^ ranks );
JScript	public function LockIndexBuffer( typeIndex : Type, flags : LockFlags, ranks : int[] ) : Array;

Parameters

typeIndex System.Type
A Type object that indicates the type of array data to return. This can be a value type or any type that contains only value types.

flags Microsoft.DirectX.Direct3D.LockFlags
Combination of zero or more LockFlags that describe the type of lock to perform. For this method, the valid flags are Discard, NoDirtyUpdate, NoSystemLock, and ReadOnly. For a description of the flags, see LockFlags.

ranks System.Int32[]
Array of one to three Int32 values that indicate the dimensions of the returning Array .

Return Value

System.Array
An Array that represents the locked index buffer.

Remarks

When working with index buffers, multiple lock calls are allowed. However, the number of lock calls must match the number of unlock calls. Calls to Device.DrawPrimitives, for example, will not succeed with any outstanding lock count on any currently set index buffer.

Exceptions

InvalidCallException The method call is invalid. For example, a method's parameter might contain an invalid value.

Applies To

Mesh, ProgressiveMesh

typeIndex	System.Type A Type object that indicates the type of array data to return. This can be a value type or any type that contains only value types.
flags	Microsoft.DirectX.Direct3D.LockFlags Combination of zero or more LockFlags that describe the type of lock to perform. For this method, the valid flags are Discard, NoDirtyUpdate, NoSystemLock, and ReadOnly. For a description of the flags, see LockFlags.
ranks	System.Int32[] Array of one to three Int32 values that indicate the dimensions of the returning Array .