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private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog d = new OpenFileDialog();
d.Filter = "Jpeg格式|*.jpg";
if (d.ShowDialog() == DialogResult.OK)
{
this.BackgroundImage = Image.FromFile(d.FileName);
}
}
private void button1_Click(object sender, EventArgs e)
{
this.BackgroundImage = Image.FromFile(@"d:\images\2.jpg");
}