IBidiRequest::GetEnumCount method

The GetEnumCount method gets the number of output results from the bidi request.

Syntax

HRESULT GetEnumCount(
  DWORD *pdwTotal
);

Parameters

pdwTotal

A pointer to a variable that receives the number of output results.

Return Value

The method returns one of the following values. For more information about COM error codes, see Error Handling.

Value Description
S_OK
The method was successful.
E_HANDLE
The interface handle was invalid.
E_POINTER
The pdwTotal parameter did not point to a valid memory location.
None of the above
The HRESULT contains an error code corresponding to the last error.

Remarks

A single bidi request can have multiple results. After calling GetEnumCount, the application can call GetOutputData to select a particular result.

Requirements

   
Minimum supported client Windows XP
Minimum supported server Windows Server 2003
Target Platform Desktop
Header bidispl.h
DLL Bidispl.dll

See Also

Bidirectional Communication Interfaces

Bidirectional Communication Schema

GetOutputData

IBidiRequest