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VideoMixer.OSDItemIsOnVisibleArea method |
  
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VideoMixer.OSDItemIsOnVisibleArea method |
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Remarks
Determines if the given graphical item is currently positioned inside the visible area of the On-Screen-Display (OSD).
For further details about the use of the embedded video mixer see the VideoMixer object section.
For details about video mixing/blending refer to the How to use the video mixer tutorial.
Syntax
[Visual Basic] control.VideoMixer.OSDItemIsOnVisibleArea ( nMixerUniqueId as Long, nItemUniqueId as Long, bIsVisible as enumBoolean ) as enumErrorCodes |
[C++] short control.VideoMixer.OSDItemIsOnVisibleArea ( long nMixerUniqueId, long nItemUniqueId, short *bIsVisible ); |
Parameter |
Description |
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nMixerUniqueId |
Unique identifier of the video mixer returned by a previous call to the VideoMixer.Create method |
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nItemUniqueId |
Unique identifier of the item returned by a previous call to one between the following methods: VideoMixer.OSDItemPictureFileAdd, VideoMixer.OSDItemBitmapAdd, VideoMixer.OSDItemTextAdd or VideoMixer.OSDItemRectangleAdd |
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bIsVisible |
Reference to a boolean value that, on return from the method call, will tell if the item is inside the visible area of the OSD. Supported values are the following:
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Return value
Value |
Meaning |
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Negative value |
An error occurred, check the LastError property value in order to get the error code |
enumErrorCodes.ERR_NOERROR (0) |
The method call was successful |
