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ICallFrame::WalkFrame method (callobj.h)

Searches for interface pointers that are reachable from [in], [in, out], or [out] parameters of the frame.

Syntax

HRESULT WalkFrame(
  [in] DWORD            walkWhat,
  [in] ICallFrameWalker *pWalker
);

Parameters

[in] walkWhat

Flags from the CALLFRAME_WALK enumeration.

[in] pWalker

A pointer to an instance of the ICallFrameWalker interface. When specified, a call back is made for each interface pointer encountered. This parameter is optional.

Return value

This method can return the following values.

Return code Description
S_OK
 The method completed successfully.
E_UNEXPECTED
 An unexpected error has occurred.

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header callobj.h

See also

ICallFrame