ICallFrame::FreeParam method
Frees the specified parameter in the frame.
Syntax
HRESULT FreeParam( [in] ULONG iparam, [in] DWORD freeFlags, [in] ICallFrameWalker *pWalkerFree, [in] DWORD nullFlags );
Parameters
- iparam [in]
-
The number of the parameter to be freed.
- freeFlags [in]
-
Represents flags from the CALLFRAME_FREE enumeration.
- pWalkerFree [in]
-
A pointer to an instance of the ICallFrameWalker interface. When specified, a callback is made for each interface pointer encountered while freeing occurs. If this parameter is not specified, then the interface pointers are freed by the Release method.
- nullFlags [in]
-
Represents flags from the CALLFRAME_NULL enumeration.
Return value
This method can return the following values.
| Return code | Description |
|---|---|
|
The method completed successfully. |
|
An unexpected error has occurred. |
Requirements
|
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
|---|---|
|
Minimum supported server |
Windows 2000 Server [desktop apps only] |
|
Header |
|
|
IDL |
|
|
IID |
IID_ICallFrame is defined as D573B4B0-894E-11d2-B8B6-00C04FB9618A |
See also