IsVideoDeviceConnected
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TVideoGrabber.IsVideoDeviceConnected |
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Returns true if the speficied video capture device is connected.
Declaration
function IsVideoDeviceConnected(DeviceIndex: LongInt): Boolean;
bool __fastcall IsVideoDeviceConnected(int DeviceIndex);
Function IsVideoDeviceConnected (DeviceIndex As Long) As Boolean
Description
Returns true if the video capture device specified by its index (in the VideoDevices list) is connected.
Returns false if the device has been disconnected.
See Also
WDM drivers AutoConnectRelatedPins CurrentFrameRate DeliveredFrames DroppedFrames FixFlickerOrBlackCapture IsDVDevice IsVideoControlAvailable IsVideoCrossbarAvailable IsWDMVideoDriver OnNoVideoDevices OnVideoDeviceSelected RefreshDevicesAndCompressorsLists ResetVideoDeviceSettings ShowDialog VideoDevice VideoDeviceIndex VideoDeviceIndexFromId VideoDeviceName VideoDevices VideoDevicesCount VideoDevicesId WebcamStillCaptureButton