_DMcCaptureEvents_BeforePreviewEventHandler Delegate
This McCaptDevice instance is starting a live preview.

Namespace:  MediaCy.IQL.Capture
Assembly:  MediaCy.IQL.Capture (in MediaCy.IQL.Capture.dll) Version: 10.0.6912.0
Syntax
VB
Copy
Public Delegate Sub _DMcCaptureEvents_BeforePreviewEventHandler ( 
	CaptureDevice As McCaptDevice,
	PreviewWindow As Object,
	PreviewType As mcCaptPreviewWinType
)

Parameters

CaptureDevice
Type: MediaCy.IQL.CaptureMcCaptDevice
the event source device.
PreviewWindow
Type: SystemObject
the preview window (IMcViewer or HWND).
PreviewType
Type: MediaCy.IQL.CapturemcCaptPreviewWinType
the preview mode flag
Remarks
This notification is sent just before the preview is started.
See Also