WinForm 自定义对话框 获取返回值

/* 1.定义Form1以对话框方式弹出 */

Form1 form1= new Form1();
if (Form1.ShowDialog() == DialogResult.OK)
{
MessageBox.Show(Form1.Param);
}

/* 2.在Form1窗口中定义变量 */

public string Param; 

/* 3.给变量复制并返回DialogResult.OK结束对话 */

Param = “Hello.”;

this.DialogResult = DialogResult.OK;