ID2D1VertexBuffer::Map method (d2d1effectauthor.h)

Maps the provided data into user memory.

Syntax

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

Parameters

[out] data

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.

HRESULT	Description
S_OK	No error occurred.
E_INVALIDARG	An invalid parameter was passed to the returning function.
D3DERR_DEVICELOST	The device has been lost but cannot be reset at this time.

Remarks

If data is larger than bufferSize, this method fails.

Requirements

Requirement	Value
Minimum supported client	Windows 8 and Platform Update for Windows 7 [desktop apps | UWP apps]
Minimum supported server	Windows Server 2012 and Platform Update for Windows Server 2008 R2 [desktop apps | UWP apps]
Target Platform	Windows
Header	d2d1effectauthor.h
Library	D2d1.lib
DLL	D2d1.dll

See also

ID2D1EffectContext::CreateVertexBuffer

ID2D1VertexBuffer