public override string ToString()
{
var combination = "";
if (Key1 != VirtualKeyModifier.None)
{
combination = Key1.GetDescription();
}
if (Key2 != VirtualKeyModifier.None)
{
combination += string.IsNullOrEmpty(combination) ? Key2.GetDescription() : "+" + Key2.GetDescription();
}
if (Key3 != VirtualKey.None)
{
combination += string.IsNullOrEmpty(combination) ? Key3.GetDescription() : "+" + Key3.GetDescription();
}
else
{
combination = "";
}
return(combination);
}