| Microsoft DirectX 9.0 |
The GetParamInfo method retrieves information about a specified parameter.
Syntax
HRESULT GetParamInfo(
DWORD dwParamIndex,
MP_PARAMINFO *pInfo
);
Parameters
dwParamIndex
[in] Zero-based index of the parameter.
pInfo
[out] Pointer to an MP_PARAMINFO structure that is filled with the parameter information.
Return Values
Returns an HRESULT value. Possible values include the following.
| Return Code | Description |
| E_INVALIDARG | Index out of range. |
| E_POINTER | NULL pointer argument. |
| S_OK | Success. |
Remarks
Call the GetParamCount method to retrieve the number of parameters that the object supports.
See Also