VideoMixer.OSDItemZOrderGet method |
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Remarks
Obtains the current Z-Order applied to the graphical item on the On-Screen-Display (OSD). The value for the Z-Order can be modified through the VideoMixer.OSDItemZOrderSet method.
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.OSDItemZOrderGet ( nMixerUniqueId as Long, nItemUniqueId as Long, nZOrder as Long ) as enumErrorCodes |
[C++] short control.VideoMixer.OSDItemZOrderGet ( long nMixerUniqueId, long nItemUniqueId, long *nZOrder ); |
Parameter |
Description |
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nMixerUniqueId |
Unique identifier of the video mixer returned by a previous call to the VideoMixer.Create method |
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 |
nZOrder |
Reference that, on return from the method call, will contain the Z-Order for the given OSD item. Items with a lower Z-Order value will stay on top respect to other items having a higher Z-Order value; for example, an item with Z-Order 0 will stay on top of any other item but, in case two items should be assigned the same Z-Order, the latest one having got the same Z-Order will be placed on top of the previous one. |
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 |