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The GetEnumCount method gets the number of output results from the bidi request.
Syntax
HRESULT GetEnumCount(
[out] DWORD *pdwTotal
);
Parameters
[out] 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 COM Error Codes.
| 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
| Requirement | Value |
|---|---|
| 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