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VideoPlayer.OSDItemAlphaSet method

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Remarks

 

Sets the alpha channel transparency applied to the graphical item on the On-Screen-Display (OSD). The current value can be obtained through the VideoPlayer.OSDItemAlphaGet method.

 

For further details about the use of the embedded video player see the VideoPlayer object section.

For details about video clips rendering refer to the How to play video files through DirectShow tutorial.

 

 

Syntax

 

[Visual Basic]

control.VideoPlayer.OSDItemAlphaSet (

nPlayer as Integer,

nItemUniqueId as Long,

nAlpha as Integer

) as enumErrorCodes


 

[C++]

short control.VideoPlayer.OSDItemAlphaSet (

short nPlayer,

long nItemUniqueId,

short nAlpha

);


 

Parameter

Description

 

 

nPlayer

Number representing the zero-based index of the player that will use the video player.

nItemUniqueId

Unique identifier of the item returned by a previous call to one between the following methods: VideoPlayer.OSDItemPictureFileAdd, VideoPlayer.OSDItemBitmapAdd, VideoPlayer.OSDItemTextAdd, VideoPlayer.OSDItemOutlineTextAdd or VideoPlayer.OSDItemRectangleAdd

nAlpha

The alpha channel transparency expressed in percentage. Values can range from 0 (total opacity) to 100 (total transparency).

 

 

 

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