Configure graphics unit : GraphicsUnit : Drawing 2D C# Examples

    
using  System;
using  System.Drawing;
using  System.Drawing.Drawing2D;
using  System.Collections;
using  System.ComponentModel;
using  System.Windows.Forms;
using  System.Data;

public  class  GraphicUnitSetting  :  System.Windows.Forms.Form
{
    private  System.ComponentModel.Container  components  =  null;

    public  GraphicUnitSetting()
    {
        InitializeComponent();
    }

    protected  override  void  Dispose(  bool  disposing  )
    {
        if(  disposing  )
        {
            if  (components  !=  null)  
            {
                components.Dispose();
            }
        }
        base.Dispose(  disposing  );
    }

    private  void  InitializeComponent()
    {
        this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  13);
        this.ClientSize  =  new  System.Drawing.Size(408,  273);
        this.Name  =  "GraphicUnitSetting";
        this.StartPosition  =  System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text  =  "GDI+  Coordinate";
        this.Resize  +=  new  System.EventHandler(this.OnResize);
        this.Paint  +=  new  System.Windows.Forms.PaintEventHandler(this.OnPaint);

    }

    [STAThread]
    static  void  Main()  
    {
        Application.Run(new  GraphicUnitSetting());
    }
    protected  void  OnPaint  (object  sender,  System.Windows.Forms.PaintEventArgs  e)
    {
            GraphicsUnit  gUnit  =  GraphicsUnit.Pixel;

            Point  renderingOrgPt  =  new  Point(0,0);

        Graphics  g  =  e.Graphics;

        g.SmoothingMode  =  SmoothingMode.AntiAlias;

        g.PageUnit  =  gUnit;

        g.TranslateTransform(renderingOrgPt.X,renderingOrgPt.Y);
        g.DrawRectangle(new  Pen(Color.Red,  1),  0,  0,  100,  100);
    
        this.Text  =  string.Format("PageUnit:  {0},  Origin:  {1}",    gUnit,  renderingOrgPt.ToString());
    }

    protected  void  OnResize  (object  sender,  System.EventArgs  e)
    {
        Invalidate();
    }
}