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CallbackTracksboardControlSet method |
  
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CallbackTracksboardControlSet method |
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Remarks
Sets the function of the CallbackTracksboardControl callback delegate which notifies when a control icon added to the TracksBoard is pressed.
For further details about callback delegates see the How to synchronize the container application with the API tutorial.
For details about the use of the TracksBoard refer to the How to use the TracksBoard to visually compose songs tutorial.
For further details about methods of the TracksBoard refer to the TracksBoard class section.
Syntax
[Visual Basic] Public Function CallbackTracksboardControlSet ( function as CallbackTracksboardControl ) as enumErrorCodes |
[C#] public enumErrorCodes CallbackTracksboardControlSet ( CallbackTracksboardControl function ); |
[C++] public: enumErrorCodes CallbackTracksboardControlSet ( CallbackTracksboardControl function ); |
Parameter |
Description |
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function |
Callback function |
when using the API from Unmanaged C++ through COM interaction, where the client application is totally unaware about .NET delegates, you should use the "Ptr" version of the method which allows passing the pointer to the callback function:
[Unmanaged C++] enumErrorCodes CallbackTracksboardControlSetPtr ( (UINT_PTR) functionPointer ); |
Parameter |
Description |
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functionPointer |
Pointer to the callback function. See the Adding the API to an unmanaged Visual C++ project tutorial for details about usage of the "Ptr" version of these methods. |
Return value
Value |
Meaning |
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Negative value |
An error occurred. Check the LastError property value in order to see the last error. |
enumErrorCodes.ERR_NOERROR (0) |
The method call was successful. |
