public Display(MobileDisplayType displayType, double inches, int colors) : this(displayType, inches)
 {
     this.Colors    = colors;
     this.colorsSet = true;
 }
 public Display(MobileDisplayType displayType, double inches, int colors, MobileTouchScreenType touchScreenType) : this(displayType, inches, colors)
 {
     this.TouchScreenType = touchScreenType;
     this.screenTypeSet   = true;
 }
 public Display(MobileDisplayType displayType, double inches) : base()
 {
     this.DisplayType = displayType;
     this.Inches      = inches;
 }