Winform的一些玩法

一、窗体透明

private void Form1_Load(object sender, EventArgs e)
{
    this.BackColor = Color.White;
    this.TransparencyKey = Color.White;
    this.Opacity = 1;
}

二、子窗体向父窗体传值（委托）
子窗体

public delegate void PutHandler(string text);
        public PutHandler putTextHandler;//委托对象
        private void button1_Click(object sender, EventArgs e)
        {
            if (putTextHandler != null)
            {
                putTextHandler(textBox1.Text.ToString());
            }
        }

父窗体

public void getValue(string strV)
          {
             this.textBox1.Text = strV;
         }
       
        private void button1_Click(object sender, EventArgs e)
        {
            FormSon fs = new FormSon();
            fs.putTextHandler = getValue;
            fs.ShowDialog();          
        }