Copyright © 2001-2019 MultiMedia Soft

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

 

 

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

 

 

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