using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;
class CreateMetafileReload : Form {
const string strMetafile = "CreateMetafileReload.emf";
public static void Main() {
Application.Run(new CreateMetafileReload());
}
public CreateMetafileReload() {
ResizeRedraw = true;
if (!File.Exists(strMetafile)) {
Graphics grfx = CreateGraphics();
IntPtr ipHdc = grfx.GetHdc();
Metafile mf = new Metafile(strMetafile, ipHdc);
grfx.ReleaseHdc(ipHdc);
grfx.Dispose();
grfx = Graphics.FromImage(mf);
grfx.DrawEllipse(Pens.Black, 0, 0, 100, 100);
grfx.FillEllipse(Brushes.Blue, 60, 20, 20, 20);
grfx.DrawArc(new Pen(Color.Red, 10), 20, 20, 60, 60, 30, 120);
grfx.Dispose();
}
}
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) {
Metafile mf = new Metafile(strMetafile);
for (int y = 0; y < cy; y += mf.Height)
for (int x = 0; x < cx; x += mf.Width)
grfx.DrawImage(mf, x, y, mf.Width, mf.Height);
}
}
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