一:运行前后截图,实现功能将子窗体的lable的text值取出来给父窗体的lable的text

二:全部代码

a,父窗体

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace passV{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        /// <summary>        /// 将子窗体的lable的text值取出来给父窗体的lable的text        /// </summary>        /// <param name="txt"></param>        private void getLableTxt(string text)        {            this.label1.Text = text;        }        /// <summary>        /// 打开子窗体        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button2_Click(object sender, EventArgs e)        {            son son = new son();            if (DialogResult.OK == son.ShowDialog())            {                getLableTxt(son.Text);            }        }    }}

b,子窗体

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace passV{    public partial class son : Form    {        private string text;        public string Text        {            get { return text; }            set { text = value; }        }                public son()        {            InitializeComponent();        }        /// <summary>        /// 确定        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button1_Click(object sender, EventArgs e)        {            Text = label1.Text;            this.DialogResult = DialogResult.OK;            this.Close();        }    }}