Text.Alignment Property

public TextAlignment Alignment { get; set; }

using (var bitmap = new Bitmap(130, 100, PixelFormat.Format24bppRgb, RgbColor.White))
using (var graphics = bitmap.GetAdvancedGraphics())
{
    var boundedText = new BoundedText("Bounded Text", graphics.CreateFont("Arial", 28), new System.Drawing.RectangleF(20, 10, 110, 90));
    boundedText.Alignment = TextAlignment.Right;
    graphics.DrawText(boundedText);
    bitmap.Save(@"Images\Output\out.png");
}