IndexBuffer.Lock Method (Int32, Type, LockFlags, Int32)

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Locks a range of index data and obtains a pointer to the index buffer memory.

Namespace:  Microsoft.WindowsMobile.DirectX.Direct3D
Assembly:  Microsoft.WindowsMobile.DirectX (in Microsoft.WindowsMobile.DirectX.dll)


Public Function Lock ( _
    offsetToLock As Integer, _
    typeLock As Type, _
    flags As LockFlags, _
    length As Integer _
) As Array
Dim instance As IndexBuffer
Dim offsetToLock As Integer
Dim typeLock As Type
Dim flags As LockFlags
Dim length As Integer
Dim returnValue As Array

returnValue = instance.Lock(offsetToLock, _
    typeLock, flags, length)
public Array Lock(
    int offsetToLock,
    Type typeLock,
    LockFlags flags,
    int length
Array^ Lock(
    int offsetToLock, 
    Type^ typeLock, 
    LockFlags flags, 
    int length
member Lock : 
        offsetToLock:int * 
        typeLock:Type * 
        flags:LockFlags * 
        length:int -> Array 


  • offsetToLock
    Type: System.Int32
    Offset into the index data to lock, in bytes.
  • typeLock
    Type: System.Type
    A Type that indicates the type of array data to return. This can be a value type or any type that contains only value types.
  • length
    Type: System.Int32
    The size of the array to create.

Return Value

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


Exception Condition

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


Note that the .NET Compact Framework does not support multiple lock calls.

The Discard and NoOverwrite fields for a LockFlags are valid only with buffers created with the Dynamic member of the Usage enumeration.

.NET Framework Security


Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Compact Framework

Supported in: 3.5, 2.0

See Also


IndexBuffer Class

IndexBuffer Members

Lock Overload

Microsoft.WindowsMobile.DirectX.Direct3D Namespace