C#常用控件操作大全

来源：互联网发布：淘宝卖家如何退保证金编辑：程序博客网时间：2024/05/16 14:28

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 练习
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

}

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox1.ReadOnly = false;
            textBox1.Text += "不是只读属性";
            textBox1.Text += "              ";
            textBox1.Text += "我是textBox控件";

textBox2.Text += "";

            richTextBox1.Multiline = true;
           // richTextBox1.SelectionBullet = true;
            richTextBox1.Text += "http://blog.csdn.net/sun307146966?viewmode=contents ";
            richTextBox1.ScrollBars = RichTextBoxScrollBars.Both;
            richTextBox1.Text += "我是richTextBox控件";

            comboBox1.DropDownStyle = ComboBoxStyle.DropDown;
            comboBox1.Items.Add("我是ComboBox");
            comboBox1.Items.Add("1");
            comboBox1.Items.Add("2");
            comboBox1.Items.Add("3");
            comboBox1.Items.Add("4");
            comboBox1.Items.Add("5");
            comboBox1.Items.Add("6");

radioButton1.Checked = false;
radioButton2.Checked = false;

numericUpDown1.Maximum = 100;
numericUpDown1.Minimum = 0;

            listBox1.HorizontalScrollbar = true;
            listBox1.ScrollAlwaysVisible = true;
            listBox1.SelectionMode = SelectionMode.MultiExtended;

            groupBox1.Text = "分组控件";





            panel1.Visible = true;
            //richTextBox1.Text

           //tabControl1.ImageList = imageList1;
            //tabPage1.ImageIndex = 0;
            tabPage1.Text = "选项卡1";
            //tabPage2.ImageIndex = 0;
            tabPage2.Text = "选项卡2";
            tabControl1.Appearance = TabAppearance.Normal;
            tabPage1.Controls.Add(new Button());
            TabPage myTable = new TabPage("Title");
            tabControl1.TabPages.Add(myTable);

this.toolStripStatusLabel1.Text = DateTime.Now.ToString();

}

        private void richTextBox1_LinkClicked(object sender, LinkClickedEventArgs e)
        {
            System.Diagnostics.Process.Start(e.LinkText);
        }

        private void comboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            textBox1.Text += "comboBox1的值是：" + comboBox1.Text;
        }

        private void checkBox1_Click(object sender, EventArgs e)
        {
            if (checkBox1.CheckState == CheckState.Checked)
            {
                MessageBox.Show("CheckBox被选中");
            }
            else
            {
                MessageBox.Show("CheckBox被取消");
            }
        }

        private void radioButton1_Click(object sender, EventArgs e)
        {
            if (radioButton1.Checked == true)
            {
                MessageBox.Show("radioButton1被选中");
            }
        }

        private void radioButton2_Click(object sender, EventArgs e)
        {
            if (radioButton2.Checked == true)
            {
                MessageBox.Show("radioButton2被选中");
            }

}

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            textBox1.Text += "numericUpDown1的值是：" + numericUpDown1.Value;
        }

private void button1_Click(object sender, EventArgs e)
{

            TextBox myText = new TextBox();
            myText.Location = new Point(25, 25);
            myText.Text = "LV";
            this.Controls.Add(myText);
            MessageBox.Show("123456");

            if (textBox1.Text == "")
            {
                MessageBox.Show("不能为空");
            }
            else
            {
                listBox1.Items.Add(textBox1.Text);
                textBox1.Text = "";
            }

            if (textBox2.Text == "")
            {
                MessageBox.Show("输入姓名：");
                textBox2.Focus();
            }
            else
            {
                if (textBox2.Text == "LV")
                {

                    textBox3.Text += "姓名：LV";
                    textBox3.Text += "   身高：163           ";
                    textBox3.Text += "体重：40kg";
                    panel1.Show();
                }
                else
                {
                    MessageBox.Show("查无此人");
                    textBox2.Text = "";
                }
            }

}

private void button2_Click(object sender, EventArgs e)
{

            if (listBox1.SelectedItems.Count==0)
            {
                MessageBox.Show("请选择删除选项");
            }
            else
            {
                listBox1.Items.Remove(listBox1.SelectedItem);
            }

            if (tabControl1.SelectedIndex == 0)
            {
                MessageBox.Show("请选择删除选项卡");
            }
            else
            {
                tabControl1.TabPages.Remove(tabControl1.SelectedTab);
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.toolStripProgressBar1.Minimum = 0;
            this.toolStripProgressBar1.Maximum = 100;
            this.toolStripProgressBar1.Step = 1;
            for (int i = 0; i < 100; i++)
            {
                this.toolStripProgressBar1.PerformStep();
            }
        }

    }
}