/// <summary>
/// Returns the first non-null value of
/// the many text description values in this SFMediaDetail, in order:
/// Title, AltText, Caption , Description.
/// </summary>
public string GetFirstAltText()
{
if (Title.NotNulle())
{
return(Title);
}
if (AltText.NotNulle())
{
return(AltText);
}
if (Caption.NotNulle())
{
return(Caption);
}
if (Description.NotNulle())
{
return(Description);
}
return(null);
}
