Platform SDK: Broadcast Architecture

BPCVid.LostControl

The LostControl event notifies an instance of the Video control that it has lost control of the input device. Visual Basic syntax is shown.

Private Sub object_LostControl

Parts

object
Object expression that resolves to a BPCVid object.

Remarks

LostControl occurs when an application with a higher priority than your application requests the device. Your application must honor this request and immediately release the device. If an application continues to manipulate a device after it has received a LostControl notification, unexpected behavior can occur.

For more information on application priorities, see Device Contention.

Requirements

  Windows NT/2000: Unsupported.
  Windows 95/98: Requires Windows 98.
  Header: Declared in vidsvr.odl.
  Import Library: Included as a resource in vid.ocx.

See Also

BPCVid, BPCVid.GotControl, BPCVid.Priority