PageWidth Property

public double Width { get; }

Public ReadOnly Property Width As Double
	Get

Page page = document.Pages[selectedPage];

const float DPI = 300;
bitmap = new Bitmap( 
  (int) ( page.Width / 72 * DPI ), 
  (int) ( page.Height / 72 * DPI ) );
Graphics graphics = Graphics.FromImage( bitmap );

float scale = DPI / 72;
graphics.ScaleTransform( scale, scale );

page.Draw( graphics );