/// <summary>
/// Returns HomePageViewModel if viewmodel has been created previuously. Otherwise creates it and then returns it. Thread safe.
/// </summary>
/// <returns>HomeViewModel object</returns>
public static HomePageViewModel GetHomePageViewModel()
{
LockingObject = new object();
if (HomeVm == null)
{
lock (LockingObject)
{
if (HomeVm == null)
{
HomeVm = new HomePageViewModel();
//this LoadHomePage() call out has to be done when homeVM is created, NOT when homeVM is called out.
//It can't be done in ctor because, homeVM won't be assinged a value and algorithm becomes indefitely recursive.
//Call it out here when homeVM has been assigned non-null value, so this part of code won't be reached again.
////HomeVm.LoadHomePage();
}
}
}
return(HomeVm);
}