OnPreviewStarted
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TVideoGrabber.OnPreviewStarted |
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Occurs when preview starts.
Declaration
property OnPreviewStarted: TEventNotification read FOnPreviewStarted write FOnPreviewStarted;
__property TEventNotification OnPreviewStarted=read=FOnPreviewStarted, write=FOnPreviewStarted
Event OnPreviewStarted()
Description
Occurs after calling StartPreview , just before the first video frame is rendered.
See Also
TOnFrameProgress TOnResizeVideo AutoRefreshPreview BackgroundColor Display_AutoSize Display_FullScreen Display_SetLocation Display_VideoPortEnabled ImageRatio InFrameProgressEvent IsVideoInterlaced IsVideoPortAvailable OnFrameProgress OnKeyPress OnResizeVideo PausePreview PreviewZoomSize ResumePreview StartPreview StartSynchronized StopPreview Synchronized UseNearestVideoSize VideoHeight VideoRenderer VideoWidth Visible