public static bool DeleteMediaPlayerPath(SupportedMediaPlayers type) //deletes an already existing media player location
{
//we don't have to check arguments for exceptions, since "type" is always a valid value of MediaPlayerType
if (!mediaPlayerPaths.ContainsKey(type))
{
return(false); //cannot delete non existent entry
}
else
{
mediaPlayerPaths.Remove(type);
return(true); //deleted successfully
}
}
public static bool AddMediaPlayerPath(SupportedMediaPlayers type, string path) //adds a new media player location
{
if (path is null)
{
throw new ArgumentNullException();
}
if (path.Length < 4)
{
throw new ArgumentException(); //"C:\x" is 4 chars
}
if (mediaPlayerPaths.ContainsKey(type))
{
return(false); //cannot add, already added, use ModifyMediaPlayerPath() instead
}
else
{
mediaPlayerPaths.Add(type, path);
return(true); //added successfully
}
}
public static bool ModifyMediaPlayerPath(SupportedMediaPlayers type, string newPath) //changes an already existing media player location
{
if (newPath is null)
{
throw new ArgumentNullException();
}
if (newPath.Length < 4)
{
throw new ArgumentException(); //"C:\x" is 4 chars
}
if (!mediaPlayerPaths.ContainsKey(type))
{
return(false); //cannot modify non existent entry, use AddMediaPlayerPath() instead
}
else
{
mediaPlayerPaths.Remove(type);
mediaPlayerPaths.Add(type, newPath);
return(true); //added successfully
}
}
public static bool GetMediaPlayerPath(SupportedMediaPlayers type, out string path) //returns an already existing media player location or null
{
//we don't have to re-write "get value" logic, since Dictionary already provides it
//however, we still want to hide the internal data structure
return(mediaPlayerPaths.TryGetValue(type, out path));
}