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VideoPlayer.OSDItemAlphaGet method

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Remarks

 

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

nPlayer as Integer,

nItemUniqueId as Long,

nAlpha as Integer

) as enumErrorCodes


 

[C++]

short control.VideoPlayer.OSDItemAlphaGet (

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

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

 

 

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