ImpersonateDdeClientWindow

The ImpersonateDdeClientWindow function enables a DDE server application to impersonate a DDE client application's security context in order to protect secure server data from unauthorized DDE clients.

BOOL ImpersonateDdeClientWindow(

HWND hWndClient,	// handle of DDE client window
HWND hWndServer	// handle of DDE server window
);

Parameters

hWndClient

Identifies the DDE client window to impersonate. The client window must have established a DDE conversation with the server window identified by the hWndServer parameter.

hWndServer

Identifies the DDE server window. An application must create the server window before calling this function.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

An application should call the RevertToSelf function to undo the impersonation set by the ImpersonateDdeClientWindow function.

A DDEML application should use the DdeImpersonateClient function.

See Also

DdeImpersonateClient, RevertToSelf

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