GraphicsUnit.Display : GraphicsUnit : Drawing 2D C# Examples

    
using  System;
using  System.Drawing;
using  System.Drawing.Drawing2D;
using  System.Windows.Forms;
      
class  WhatSize:  Form
{
          public  static  void  Main()
          {
                    Application.Run(new  WhatSize());
          }
          public  WhatSize()
          {
                    Text  =  "What  Size?";
                    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)
          {
                    Brush  brush  =  new  SolidBrush(clr);
                    int      y          =  0;
      
                    DoIt(grfx,  brush,  ref  y,  GraphicsUnit.Display);
          }
          void  DoIt(Graphics  grfx,  Brush  brush,  ref  int  y,  GraphicsUnit  gu)
          {
                    GraphicsState  gs  =  grfx.Save();
      
                    grfx.PageUnit    =  gu;
                    grfx.PageScale  =  1;
      
                    SizeF  sizef  =  grfx.VisibleClipBounds.Size;
      
                    grfx.Restore(gs);
      
                    grfx.DrawString(gu+  ":  "  +  sizef,  Font,  brush,  0,  y);
                    y  +=  (int)  Math.Ceiling(Font.GetHeight(grfx));
          }
}