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Defines constants that specify how completion notifications for asynchronous operations are to be delivered to the client application. This enumeration is used by the WinBioAsyncOpenFramework and WinBioAsyncOpenSession functions.
Syntax
typedef enum _WINBIO_ASYNC_NOTIFICATION_METHOD {
WINBIO_ASYNC_NOTIFY_NONE = 0,
WINBIO_ASYNC_NOTIFY_CALLBACK,
WINBIO_ASYNC_NOTIFY_MESSAGE,
WINBIO_ASYNC_NOTIFY_MAXIMUM_VALUE
} WINBIO_ASYNC_NOTIFICATION_METHOD, *PWINBIO_ASYNC_NOTIFICATION_METHOD;
Constants
WINBIO_ASYNC_NOTIFY_NONEValue: 0 The operation is synchronous. |
WINBIO_ASYNC_NOTIFY_CALLBACKThe client-implemented PWINBIO_ASYNC_COMPLETION_CALLBACK function is called by the framework. |
WINBIO_ASYNC_NOTIFY_MESSAGEThe framework sends completion notices to the client application window message queue. |
WINBIO_ASYNC_NOTIFY_MAXIMUM_VALUEThe maximum enumeration value. This constant is not directly used by the WinBioAsyncOpenFramework and WinBioAsyncOpenSession. |
Remarks
This enumeration was introduced in Windows 8.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Header | winbio.h |