frmscaling.cs

来自「Microsoft Mobile Development Handbook的代码」· CS 代码 · 共 39 行

using System;
using System.Windows.Forms;
using System.Drawing;

namespace CodeForChapter2
{
  public partial class frmScaling : Form
  {
    public frmScaling()
    {
      InitializeComponent();
    }

    // run this project on both VGA and non-VGA devices
    private void frmScaling_Paint(object sender, PaintEventArgs e)
    {
      int left = 5, right = 5, width = 200, height = 200;

      Rectangle r = new Rectangle((int)(left * Program.ScaleFactor),
                                  (int)(right * Program.ScaleFactor),
                                  (int)(width * Program.ScaleFactor),
                                  (int)(height * Program.ScaleFactor));

      float thickness = 2;
      Pen p = new Pen(Color.Red, thickness * Program.ScaleFactor);

      e.Graphics.DrawEllipse(p, r);

      Brush b = new SolidBrush(Color.Blue);
      float x = 75, y = 100;
      e.Graphics.DrawString("scales well", this.Font, b, 
                                          x * Program.ScaleFactor, 
                                          y * Program.ScaleFactor);

      p.Dispose();
      b.Dispose();
    }
  }
}