/// <summary>
/// Unregister a string variable value getter function.
/// </summary>
/// <param name="getter">the function to be unregistered</param>
/// <returns>the function is successfully unregistered or not</returns>
public bool UnregisterStringGetter(StringGetterDelegate getter)
{
if (getter == null)
{
return(false);
}
return(mVariableStringGetters.Remove(getter));
}
/// <summary>
/// Register string variable value getter function that is used to retrieve string values in string content.
/// </summary>
/// <param name="getter">the function to retrieve string values</param>
/// <returns>the function is successfully registered or not</returns>
public bool RegisterVariableGetter(StringGetterDelegate getter)
{
if (getter == null)
{
return(false);
}
if (mVariableStringGetters.Contains(getter))
{
return(false);
}
mVariableStringGetters.Add(getter);
return(true);
}