Windows Dev Center

ID2D1VertexBuffer::Map method

Maps the provided data into user memory.

Syntax


HRESULT Map(
  [out] const BYTE   **data,
              UINT32 bufferSize
);

Parameters

data [out]

Type: const BYTE**

When this method returns, contains the address of a pointer to the available buffer.

bufferSize

Type: UINT32

The desired size of the buffer.

Return value

Type: HRESULT

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

HRESULTDescription
S_OKNo error occurred.
E_INVALIDARGAn invalid parameter was passed to the returning function.
D3DERR_DEVICELOSTThe device has been lost but cannot be reset at this time.

 

Remarks

If data is larger than bufferSize, this method fails.

Requirements

Minimum supported client

Windows 8 and Platform Update for Windows 7 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2012 and Platform Update for Windows Server 2008 R2 [desktop apps | Windows Store apps]

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Header

D2d1effectauthor.h

Library

D2d1.lib

DLL

D2d1.dll

See also

ID2D1VertexBuffer
ID2D1EffectContext::CreateVertexBuffer

 

 

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