Sensoray 2251 Rev.A Manual de usuario descargar pdf (Pagina 25)

Retrieves the aspect ratio control setting.

Parameters

mode

pointer to retrieved setting.

board

board number in the system (use 0 for single board setups).

Returns

0 on success, negative value if error (see mid2250types.h for error codes list).

MID2250_API int SN_Repaint(

HDC hdc

);

Repaint callback, should be called when application receives a WM_PAINT event. This is necessary

to notify the video renderer of a repaint event.

Parameters

hdc

device context handle or NULL if unknown.

Returns

0 on success, negative value if error (see mid2250types.h for error codes list).

MID2250_API int SN_DisplayChange(

);

Informs the video renderer that a WM_DISPLAYCHANGE message has been received by the

application. This callback should be called when the application has a WM_DISPLAYCHANGE event.

Parameters

none

Returns

0 on success, negative value if error (see mid2250types.h for error codes list).

MID2250_API int SN_UpdateClippingWindow(

HWND hwnd

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Sensoray 2251 Rev.A Manual de usuario Pagina 25