C# winForm之间传递参数
//窗口1打开窗口2的按钮函数
private void button1_Click(object sender, EventArgs e)
{
Form2 fm2 = new Form2();
fm2.Owner = this;
fm2.ShowDialog();
}
//窗口2向窗口1回传数据,假定在窗口2中的TextBox输入数据,在Form1的Label中显示数据
private void buttonOK_Click(object sender, EventArgs e)
{
Form1 fm1 = new Form1();
fm1 = (Form1)this.Owner;
string data = textBox1.Text;
fm1.label1.Text = data;
this.Close();
}