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VideoMixer.OSDItemPictureMemoryChange method |
  
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VideoMixer.OSDItemPictureMemoryChange method |
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Remarks
Changes the picture for an existing graphical item on the On-Screen-Display (OSD)..
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] Public Function OSDItemPictureMemoryChange ( nMixerUniqueId as Int32, nItemUniqueId as Int32, pBuffer() as Byte, nBufferLength as Int32 ) as enumErrorCodes |
[C#] public enumErrorCodes OSDItemPictureMemoryChange ( Int32 nMixerUniqueId, Int32 nItemUniqueId, byte[] pBuffer, Int32 nBufferLength ); |
[C++] public: enumErrorCodes OSDItemPictureMemoryChange ( Int32 nMixerUniqueId, Int32 nItemUniqueId, unsigned char __gc[] pBuffer, Int32 nBufferLength ); |
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 item returned by a previous call to the VideoMixer.OSDItemPictureMemoryAdd method |
pBuffer |
Buffer containing the picture file data. Accepted picture formats are BMP, GIF, JPEG and PNG. |
nBufferLength |
Length in bytes of the given buffer |
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 |
