C#窗口参数传递

Question

怎么在一个窗口输入数据后，点击这个窗口的一个button后在另一个窗口显示输入的数据

Answer 1

https://bbs.csdn.net/topics/360140208?list=lz

Answer 2

///窗口1 private delegate void delegateRefMessage(string msg);
        private event delegateRefMessage RefMsg;
        private void SetText(string msg)
        {
            string content = richTextBox1.Text.Trim();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Form2  f2 = new Form2();
            RefMsg += new delegateRefMessage(f2.SetTextFromOther);          
            f2.Show();
        }        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {
            if (RefMsg != null) RefMsg(richTextBox1.Text.Trim());
        }///窗口2
public void SetTextFromOther(string str)
        {
            this.richTextBox1.Clear();
            this.richTextBox1.Text = str;
        }

Answer 3

新窗口的Tag对象里添加数据，进入新窗口后再读出来。newForm nf = new newForm();
nf.Tag = 12;
nf.Show();