private void Form1_Load(object sender, EventArgs e)
{
this.BackgroundImage = Image.FromFile(@"C:\Documents and Settings\Administrator\My Documents\My Pictures\2.jpg");
}……private void button1_Click(object sender, EventArgs e)
{
this.BackgroundImage = Image.FromFile(@"C:\Documents and Settings\Administrator\My Documents\My Pictures\1.jpg");
}
不行的话.在窗体上加一个images或pictrues 控件用B盖住A 效果一样