xxx_Seek (Services.exe) (Windows Embedded CE 6.0)

1/6/2010

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.

Syntax

DWORD xxx_Seek(
  DWORD dwData,
  long pos,
  DWORD type
);

Parameters

• dwData
  [in] Specifies the value returned by xxx_Open (Services.exe) for the given service instance.

• pos
  [in] Specifies the number of bytes to move the file pointer. pos is a 32-bit signed value. A positive value for this parameter moves the file pointer forward in the file while a negative value moves the file pointer backward.

• type
  [in] Specifies the starting point for the file pointer move. The following table shows possible values.

  Value	Description
  FILE_BEGIN	The starting point is zero, or at the beginning of the file.
  FILE_CURRENT	The starting point is the current value of the file pointer.
  FILE_END	The starting point is the current end-of-file position.

Return Value

Returns the current location of the file pointer.

Remarks

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

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.

Requirements

See Also

Reference

Services.exe Functions
xxx_Open (Services.exe)

Other Resources

SetFilePointer