public static LoginPageViewModel GetLoginPageViewModel()
{
LockingObject = new object();
if (LoginVm == null)
{
lock (LockingObject)
{
if (LoginVm == null)
{
LoginVm = new LoginPageViewModel();
//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 assign non-null value, so this part of code won't be reached again.
LoginVm.LoadLoginPage();
}
}
}
return(LoginVm);
}
/// <summary>
/// Updates CurrentViewModel to LoginPageViewModel. If view's DataTemplate and DataContext is binded, then view is changed and control is given over to LoginPageViewModel.
/// </summary>
protected void LoadLoginPage()
{
CurrentViewModel = LoginPageViewModel.GetLoginPageViewModel();
}
