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VideoMixer.PlayerAlphaGet method |
  
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VideoMixer.PlayerAlphaGet method |
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Remarks
Obtains the current value of the alpha channel transparency applied to the given player. The value for the alpha channel transparency can be modified through the VideoMixer.PlayerAlphaSet 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.PlayerAlphaGet ( nMixerUniqueId as Long, nPlayer as Integer, nAlpha as Integer ) as enumErrorCodes |
[C++] short control.VideoMixer.PlayerAlphaGet ( long nMixerUniqueId, short nPlayer, short *nAlpha ); |
Parameter |
Description |
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nMixerUniqueId |
Unique identifier of the video mixer returned by a previous call to the VideoMixer.Create method |
nPlayer |
Number representing the zero-based index of the player attached to the video mixer through a previous call to the VideoPlayer.AttachToVideoMixer method. |
nAlpha |
Reference that, on return from the method call, will contain the alpha channel transparency expressed in percentage. Values can range from 0 (total opacity) to 100 (total transparency). |
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 |
