static void _SetOnce(ref string propVar, string value, bool create, [CallerMemberName] string propName = null)
{
lock (_lock) {
if (propVar != null)
{
throw new InvalidOperationException("AFolders." + propName + " is already set.");
}
propVar = value;
if (create)
{
AFile.CreateDirectory(value);
}
}
}
//note: don't use Application.ProductName etc. It loads Forms, throws if dynamic assembly, etc.
#region set auto/once
static string _SetAuto(ref string propVar, string value, bool create)
{
lock (_lock) {
if (propVar == null)
{
propVar = value;
if (create)
{
AFile.CreateDirectory(value);
}
}
}
return(propVar);
}
