Represents a simple flat progress bar.
상속: System.Windows.Controls.ContentControl
 public void Set_PercentComplete__200(ProgressBarFlat control) { control.PercentComplete = 2; }
 public void Set_PercentComplete__75(ProgressBarFlat control) { control.PercentComplete = 0.75; }
 public void Background__Orange(ProgressBarFlat control) { control.Background = new SolidColorBrush(Colors.Orange); }
 public void Background__Transarent(ProgressBarFlat control) { control.Background = new SolidColorBrush(Colors.Transparent); }
 public void Initialize(ProgressBarFlat control)
 {
     control.Width = 200;
     control.Height = 10;
 }