| DirectX SDK | 
The DirectMusicLoader.LoadChordMap method loads a chord map from a file.
object.LoadChordMap(filename As String) _
    As DirectMusicChordMap
If the method succeeds, it returns a DirectMusicChordMap object.
If the method fails, it raises an error, and Err.Number can be set to one of the following values:
| DMUS_E_FAIL | 
| DMUS_E_INVALIDARG | 
| DMUS_E_OUTOFMEMORY | 
| DMUS_E_LOADER_FAILEDOPEN | 
| DMUS_E_LOADER_FAILEDCREATE | 
| DMUS_E_LOADER_FORMATNOTSUPPORTED |