如何在MDIFORM(主窗体)添加背景图片, 不影响子窗体的打开~

Question

如何在MDIFORM(主窗体)添加背景图片, 不影响子窗体的打开~

Answer 1

        private void Form1_Load(object sender, EventArgs e)
        {
            pictureBox1.Image = System.Drawing.Image.FromFile("C:\\1.JPG");
        }        private void button1_Click(object sender, EventArgs e)
        {
            Form2 frm = new Form2();
            frm.MdiParent=this;
            frm.Parent = pictureBox1;
            frm.Show();
        }