public void TertiaryFrameNavigate(Type type, object parameter = null)
{
//ClearDetailFrameStack();
if (parameter == null)
{
TertiaryFrame.Navigate(type);
}
else
{
TertiaryFrame.Navigate(type, parameter);
}
LastFrame = TertiaryFrame;
TertiaryFrameDepth++;
UpdateBackButton();
UpdateFrame();
}
public void GoBack(BackRequestedEventArgs e)
{
if (TertiaryFrameCanGoBack)
{
if (TertiaryFrame.CanGoBack)
{
TertiaryFrame.GoBack();
}
TertiaryFrameDepth--;
//若还可以继续后退，则显示，否则隐藏
}
else if (DetailFrameCanGoBack)
{
if (DetailFrame.CanGoBack)
{
DetailFrame.GoBack();
}
DetailFrameDepth--;
//DetailFrame.Visibility = DetailFrameCanGoBack ? Visibility.Visible : Visibility.Collapsed;
}
UpdateBackButton();
UpdateFrame();
}
