// ReSharper disable once UnusedParameter.Global
public virtual T GetDefault(DefaultUsage usage)
{
var t = typeof(T);
if (t.IsPrimitive || t.IsEnum)
{
return(default);
/// <summary>
/// Returns a default value for the Key or Value properties for new dictionary entries
/// </summary>
/// <param name="usage">Specifies if the desired default value is to be used as Key or Value</param>
/// <returns>Returns a value of type T to be used as the default</returns>
/// <remarks>If the default value is to be used as Key it may NOT be null (because the Dictionary doesn't allow null as Key)</remarks>
public virtual T GetDefault(DefaultUsage usage)
{
Type t = typeof(T);
if (t.IsPrimitive || t.IsEnum)
{
return(default(T));
}
else if (t == typeof(string))
{
return((T)(object)String.Empty);
}
else
{
return(Activator.CreateInstance <T>());
}
}
public override int GetDefault(DefaultUsage usage)
{
// The mother of all numbers
return(42);
}
public override Color GetDefault(DefaultUsage usage)
{
// we want red as default color!
return(Color.Red);
}
public override string GetDefault(DefaultUsage usage)
{
return("0");
}