/// <summary>
/// 设置并计算界面元素正确的位置
/// </summary>
private void SetControlPosition()
{
double HorizonLocation = SplashImageRect.X + (SplashImageRect.Width * 0.5);
double VerticalLocation = SplashImageRect.Y + (SplashImageRect.Height * 0.75);
SplashProgressRing.SetValue(Canvas.LeftProperty, HorizonLocation - (SplashProgressRing.Width * 0.5));
SplashProgressRing.SetValue(Canvas.TopProperty, VerticalLocation);
Display.SetValue(Canvas.LeftProperty, HorizonLocation - (Display.Width * 0.5));
Display.SetValue(Canvas.TopProperty, VerticalLocation + SplashProgressRing.Height + 20);
Continue.SetValue(Canvas.LeftProperty, HorizonLocation - 75);
Continue.SetValue(Canvas.TopProperty, VerticalLocation + SplashProgressRing.Height + Display.Height + 20);
Cancel.SetValue(Canvas.LeftProperty, HorizonLocation + 5);
Cancel.SetValue(Canvas.TopProperty, VerticalLocation + SplashProgressRing.Height + Display.Height + 20);
extendedSplashImage.SetValue(Canvas.LeftProperty, SplashImageRect.X);
extendedSplashImage.SetValue(Canvas.TopProperty, SplashImageRect.Y);
extendedSplashImage.Height = SplashImageRect.Height;
extendedSplashImage.Width = SplashImageRect.Width;
}