[OnLockEnable is no longer available for use as of Windows Vista. See Windows Messenger for more information.]
Notifies a Messenger client with the status of the Messenger Lock and Key APIs.
void OnLockEnable( [in] VARIANT_BOOL fEnable = VARIANT_TRUE );
VARIANT_BOOL that defines one of the following possible values.
Lock and Key is disabled.
Lock and Key is enabled.
This event does not return a value.
This event fires shortly after a user signs in to Windows Messenger and indicates whether the Messenger client can proceed to request an authentication challenge from the Messenger service . Until this event notification is received, a Messenger client cannot unlock the Messenger service APIs and requests for an authentication challenge will fail.
|Minimum supported client
||Windows 2000 Professional, Windows XP [desktop apps only]
|Minimum supported server
||Windows Server 2003 [desktop apps only]
|End of client support
|End of server support
||Windows Server 2003