xxx_Read (Services.exe) (Windows CE 5.0)

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This function is to be implemented by a service and will be called by Services.exe. This function need only be implemented by a streaming service.

DWORD xxx_Read(DWORDdwData,LPVOID pBuf,DWORD dwLen);


  • dwData
    [in] Specifies the value returned by xxx_Open (Services.exe) for the given service instance.
  • pBuf
    [out] Pointer to the storage location for the data that is read.
  • dwLen
    [in] Specifies the number of bytes to be read.

Return Values

Returns the number of bytes read.


This function is called by Services.exe as a result of an application's call to ReadFile.

Services.exe uses the xxx prefix. When implementing the stream interface, replace xxx with a prefix appropriate for your specific implementation. For more information, see Stream Interface Driver Implementation.


OS Versions: Windows CE .NET 4.0 and later.
Header: Developer-defined.
Library: Developer-implemented.

See Also

xxx_Open (Services.exe) | ReadFile | Services.exe Functions

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