C#

public enum CornerStyles
{
	Rounded,
	Square
}
public enum Orientations
{
	Vertical,
	Horizontal
}
public enum Poles
{
	Left,
	Right,
	Top,
	Bottom
}
[Description( "Set the shape of the control's corners")]
[Category( "ColorTrackBar" )]
public CornerStyles ControlCornerStyle
{
	set
	{
		this.cornerStyle=value;
		this.Invalidate();
	}
	get{return this.cornerStyle;}
}
/// <summary>
/// Set tracker bar orientation
/// </summary>
[Description( "Set whether the bar will be Veirtically or Horizontally oriented")]
[Category( "ColorTrackBar" )]
[RefreshProperties(RefreshProperties.All)]
public Orientations BarOrientation
{
	set
	{
		this.barOrientation = value;
		if(value==Orientations.Vertical)
			this.MaximumValueSide=Poles.Bottom;
		if(value==Orientations.Horizontal)
			this.MaximumValueSide=Poles.Right;
		base.Size=new Size(25,25);
		trackRect=Rectangle.Empty;
		this.Invalidate();
	}
	get{return this.barOrientation;}
}
/// <summary>
/// Set the poles of the trackbar
/// </summary>
[Description( "Select the side of the control to represent the maximum range value")]
[Category( "ColorTrackBar" )]
[RefreshProperties(RefreshProperties.All)]
public Poles MaximumValueSide
{
	get
	{
		return maxSide;
	}
	set
	{
		switch(barOrientation)
		{
			case Orientations.Horizontal:
				if(value==Poles.Top || value==Poles.Bottom)
				{
					throw new ArgumentException ("Since your Orientation is set to Horizontal, you can only select"+
								" Left or Right for this property");
				}
				break;
			case Orientations.Vertical:
				if(value==Poles.Left || value==Poles.Right)
				{
					throw new ArgumentException ("Since your Orientation is set to Vertical, you can only select"+
								" Top or Bottom for this property");
				}
				break;
		}
		maxSide=value;
		trackRect=Rectangle.Empty;
		this.Invalidate();
	}
}

<br />
int i = 0x12345678;<br />
short *ps = (short*)&i;<br />
short s;<br />
<br />
s = ps [0];<br />
ps [0] = ps [1];<br />
ps [1] = s;<br />