public async void doAppear()
{
while (Width == -1)
{
await Task.Delay(1);
}
Master.BackgroundColor = FixParams.PanelColor;
Master.Opacity = 1;
ShortCutMenu.BackgroundColor = FixParams.PanelColor;
ShortCutMenu.Opacity = 1;
MasterPage.Content = Master;
ShortCutPage.Content = ShortCutMenu;
Children.Add(Detail);
Children.Add(ShortCutPage);
Children.Add(MasterPage);
MasterPage.IsVisible = false;
ShortCutPage.IsVisible = false;
Detail.Layout(new Rectangle(0, 0, Width, Height));
Master.Layout(getMasterClosedRectangle());
ShortCutMenu.Layout(getShortcutClosedRectangle());
}
