IDirectPlay8ThreadPool::Initialize Method

Initializes the thread pool interface for the process.

Syntax

HRESULT Initialize(      
    PVOID const pvUserContext,
    const PFNDPNMESSAGEHANDLER pfn,
    const DWORD dwFlags
);

Parameters

pvUserContext

[in] User context for all message callbacks.

pfn

[in] Pointer to a PFNDPNMESSAGEHANDLER function to handle thread pool messages.

dwFlags

[in] The following flag can be specified.

DPNINITIALIZE_DISABLEPARAMVAL

Disables parameter validation.

Return Value

Returns DPN_OK if successful. Otherwise, returns one of the following errors.

DPNERR_ALREADYINITIALIZED	The object has already been initialized.
DPNERR_INVALIDFLAGS	The flags passed to this method are invalid.
DPNERR_INVALIDPARAM	One or more of the parameters passed to the method are invalid.
DPNERR_NOTALLOWED	This function is not allowed on this object.

Remarks

Only one IDirectPlay8ThreadPool object is allowed in a process. DPNERR_ALREADYINITALIZED is returned if IDirectPlay8ThreadPool::Initialize is called on a second IDirectPlay8ThreadPool object.

If a Microsoft® DirectPlay® object has already created threads, the IDirectPlay8ThreadPool object cannot be initialized. If the IDirectPlay8ThreadPool object has not been initialized, DPNERR_NOTALLOWED will be returned.