Graphics.PageScale : Graphics « System.Drawing « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Drawing
3. Graphics

Graphics.PageScale

   

using System;
using System.Drawing;
using System.Windows.Forms;
   
class ArbitraryCoordinates: Form
{
     public static void Main()
     {
          Application.Run(new ArbitraryCoordinates());
     }
     public ArbitraryCoordinates()
     {
          Text = "Arbitrary Coordinates";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected  void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          grfx.PageUnit = GraphicsUnit.Pixel;
          SizeF sizef = grfx.VisibleClipBounds.Size;
          grfx.PageScale = Math.Min(sizef.Width  / grfx.DpiX / 1000, 
                                    sizef.Height / grfx.DpiY / 1000);
   
          grfx.DrawEllipse(new Pen(clr), 0, 0, 990, 990);
     }
}

   
    
    
  

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