public void SwitchProviders(ILaunchSettingsUIProvider oldProvider)
{
// Get the old custom control and disconnect from notifications
if (oldProvider?.CustomUI?.DataContext is INotifyPropertyChanged context)
{
context.PropertyChanged -= OnCustomUIStateChanged;
if (context is INotifyDataErrorInfo notifyDataErrorInfo)
{
notifyDataErrorInfo.ErrorsChanged -= OnCustomUIErrorsChanged;
}
}
// Now hook into the current providers notifications. We do that after having set the profile on the provider
// so that we don't get notifications while the control is initializing. Note that this is likely the first time the
// custom control is asked for and we want to call it and have it created prior to setting the active profile
UserControl customControl = ActiveProvider?.CustomUI;
if (customControl != null)
{
ActiveProvider.ProfileSelected(CurrentLaunchSettings);
context = customControl.DataContext as INotifyPropertyChanged;
if (context != null)
{
context.PropertyChanged += OnCustomUIStateChanged;
}
if (context is INotifyDataErrorInfo notifyDataErrorInfo)
{
notifyDataErrorInfo.ErrorsChanged += OnCustomUIErrorsChanged;
}
}
}
protected virtual void NotifySelectedChanged(IWritableLaunchProfile oldProfile)
{
// we need to keep the property page control from setting IsDirty when we are just switching between profiles.
// we still need to notify the display of the changes though
PushIgnoreEvents();
try
{
// these have no backing store in the viewmodel, we need to send notifications when we change selected profiles
// consider a better way of doing this
OnPropertyChanged(nameof(SelectedDebugProfile));
OnPropertyChanged(nameof(CommandLineArguments));
OnPropertyChanged(nameof(ExecutablePath));
OnPropertyChanged(nameof(LaunchPage));
OnPropertyChanged(nameof(HasLaunchOption));
OnPropertyChanged(nameof(NativeCodeDebugging));
OnPropertyChanged(nameof(WorkingDirectory));
UpdateLaunchTypes();
ActiveProvider?.ProfileSelected(CurrentLaunchSettings);
OnPropertyChanged(nameof(IsProfileSelected));
OnPropertyChanged(nameof(DeleteProfileEnabled));
SetEnvironmentGrid(oldProfile);
UpdateActiveProfile();
}
finally
{
PopIgnoreEvents();
}
}
