Sensoray 2224 Windows Manual de usuario descargar pdf (Pagina 49)

handle to device context.

hdev

handle to device (obtained from S2226_OpenBoard).

Returns

0 on success, negative value if error (see mid2226types.h for error codes list).

MID2226_API int S2226_DisplayChange(

HDC hdc,

HANDLE hdev

);

Call this function in your WM_DISPLAYCHANGE message handler for the video window. See demo

application for example usage.

Parameters

hdc

handle to device context.

hdev

handle to device (obtained from S2226_OpenBoard).

Returns

0 on success, negative value if error (see mid2226types.h for error codes list).

MID2226_API int S2226_SetNotify(

HWND hNotifyWnd,

UINT mNotifyMessage

HANDLE hdev

);

Use to set up a callback to the HWND when device message occurs. Use in conjunction with

S2226_TestDeviceRemoval to see when device removed (see demo application for implementation

details).

Parameters

hNotifyWnd

Window to notify on device event (removal)

mNotifyMessage

Window message to use for notification.

hdev

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