Winform窗体的基本控件

一、窗体的事件

每一个窗体都有一个事件，这个窗体加载完成之后执行哪一段代码

位置：（1)右键属性→事件→load 双击进入。（2)双击窗体任意一个位置进入

public partial class Form1 : Form//构造方法

{ 

public Form1() 
{ 
   InitializeComponent(); 
}

控件在工具箱里面找，找到之后双击即可添加进来，也可以点住拖进来

每个工具，控件，窗体都有一个name，相当于id，用来标识该对象的名称，name值不允许重复

六大常用控件

1、Label -- 文本显示工具

Text：需要显示的文字——属性

Label的取值赋值：

private void Form1_Load(object sender, EventArgs e)

{

       label1.Text = "请输入你需要购买的东西：";

      MessageBox.Show(label1.Text);

}

2、TextBox -- 文本框

TextBox的取值赋值：

private void Form1_Load(object sender, EventArgs e)

{

     textBox1.Text = "请输入配菜";

    MessageBox.Show(textBox1.Text);

}

3、radioButton -- 单选按钮

text:文字

Checked：是否选中

 //

            // radioButton1

            //

            this.radioButton1.AutoSize = true;

            this.radioButton1.BackColor = System.Drawing.Color.Transparent;

            this.radioButton1.Checked = true;//决定是否先选中其中一个

            this.radioButton1.Font = new System.Drawing.Font("微软雅黑", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)()));

            this.radioButton1.Location = new System.Drawing.Point(, );

            this.radioButton1.Name = "radioButton1";

            this.radioButton1.Size = new System.Drawing.Size(, );

            this.radioButton1.TabIndex = ;

            this.radioButton1.TabStop = true;

            this.radioButton1.Text = "薯条";

            this.radioButton1.UseVisualStyleBackColor = false;

4 combobox--下拉列表

用于制作下拉菜单

  //

            // comboBox1

            //

            this.comboBox1.BackColor = System.Drawing.SystemColors.Info;

            //决定着默认无法输入文字，为灰色区域DropDownList

            this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;

            this.comboBox1.Font = new System.Drawing.Font("微软雅黑", 8F);

            this.comboBox1.FormattingEnabled = true;

            this.comboBox1.Items.AddRange(new object[] {

            "香辣鸡腿堡",

            "半鸡半虾堡",

            "BBQ手撕猪肉堡",

            "老北京鸡肉卷",

            "黑椒牛柳饭",

            "日式咖喱饭"});

            this.comboBox1.Location = new System.Drawing.Point(, );

            this.comboBox1.Margin = new System.Windows.Forms.Padding();

            this.comboBox1.Name = "comboBox1";

            this.comboBox1.Size = new System.Drawing.Size(, );

            this.comboBox1.TabIndex = ;

5、checkbox -- 复选框组

Checked属性：是否选中

Tag属性：可以存储自定义数，用户自己定义

设置全选或者全都不选

private void checkBox3_CheckedChanged(object sender, EventArgs e)

        {

            foreach (Control ctr in panel2.Controls)

            {

                if (ctr is CheckBox)

                {

                    CheckBox ck = ctr as CheckBox;

                    ck.Checked = checkBox3.Checked;

                }

            }

        }

6、Button 按钮

name：设置按钮名

Text：设置按钮显示的文字

双击进入设置按钮的事件（默认为点击事件）

练习：肯德基订餐

namespace WindowsFormsApplication1

{

    partial class Form1

    {

        /// <summary>

        /// 必需的设计器变量。

        /// </summary>

        private System.ComponentModel.IContainer components = null;

        /// <summary>

        /// 清理所有正在使用的资源。

        /// </summary>

        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>

        protected override void Dispose(bool disposing)

        {

            if (disposing && (components != null))

            {

                components.Dispose();

            }

            base.Dispose(disposing);

        }

        #region Windows 窗体设计器生成的代码

        /// <summary>

        /// 设计器支持所需的方法 - 不要

        /// 使用代码编辑器修改此方法的内容。

        /// </summary>

        private void InitializeComponent()

        {

            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));

            this.label1 = new System.Windows.Forms.Label();

            this.label2 = new System.Windows.Forms.Label();

            this.comboBox1 = new System.Windows.Forms.ComboBox();

            this.label3 = new System.Windows.Forms.Label();

            this.radioButton1 = new System.Windows.Forms.RadioButton();

            this.radioButton2 = new System.Windows.Forms.RadioButton();

            this.radioButton3 = new System.Windows.Forms.RadioButton();

            this.label4 = new System.Windows.Forms.Label();

            this.checkBox1 = new System.Windows.Forms.CheckBox();

            this.checkBox2 = new System.Windows.Forms.CheckBox();

            this.checkBox3 = new System.Windows.Forms.CheckBox();

            this.checkBox4 = new System.Windows.Forms.CheckBox();

            this.checkBox5 = new System.Windows.Forms.CheckBox();

            this.checkBox6 = new System.Windows.Forms.CheckBox();

            this.label5 = new System.Windows.Forms.Label();

            this.label6 = new System.Windows.Forms.Label();

            this.textBox1 = new System.Windows.Forms.TextBox();

            this.textBox2 = new System.Windows.Forms.TextBox();

            this.button1 = new System.Windows.Forms.Button();

            this.SuspendLayout();

            //

            // label1

            //

            this.label1.AutoSize = true;

            this.label1.BackColor = System.Drawing.Color.Transparent;

            this.label1.Font = new System.Drawing.Font("微软雅黑", 20F);

            this.label1.ForeColor = System.Drawing.Color.Yellow;

            this.label1.Location = new System.Drawing.Point(, );

            this.label1.Margin = new System.Windows.Forms.Padding(, , , );

            this.label1.Name = "label1";

            this.label1.Size = new System.Drawing.Size(, );

            this.label1.TabIndex = ;

            this.label1.Text = "肯德基点餐系统";

            this.label1.Click += new System.EventHandler(this.label1_Click);

            //

            // label2

            //

            this.label2.AutoSize = true;

            this.label2.BackColor = System.Drawing.Color.Transparent;

            this.label2.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.label2.ForeColor = System.Drawing.Color.White;

            this.label2.Location = new System.Drawing.Point(, );

            this.label2.Margin = new System.Windows.Forms.Padding(, , , );

            this.label2.Name = "label2";

            this.label2.Size = new System.Drawing.Size(, );

            this.label2.TabIndex = ;

            this.label2.Text = "请选择主食：";

            this.label2.Click += new System.EventHandler(this.label2_Click);

            //

            // comboBox1

            //

            this.comboBox1.BackColor = System.Drawing.SystemColors.Info;

            //决定着默认无法输入文字，为灰色区域DropDownList

            this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;

            this.comboBox1.Font = new System.Drawing.Font("微软雅黑", 8F);

            this.comboBox1.FormattingEnabled = true;

            this.comboBox1.Items.AddRange(new object[] {

            "香辣鸡腿堡",

            "半鸡半虾堡",

            "BBQ手撕猪肉堡",

            "老北京鸡肉卷",

            "黑椒牛柳饭",

            "日式咖喱饭"});

            this.comboBox1.Location = new System.Drawing.Point(, );

            this.comboBox1.Margin = new System.Windows.Forms.Padding();

            this.comboBox1.Name = "comboBox1";

            this.comboBox1.Size = new System.Drawing.Size(, );

            this.comboBox1.TabIndex = ;

            //

            // label3

            //

            this.label3.AutoSize = true;

            this.label3.BackColor = System.Drawing.Color.Transparent;

            this.label3.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.label3.ForeColor = System.Drawing.Color.White;

            this.label3.Location = new System.Drawing.Point(, );

            this.label3.Name = "label3";

            this.label3.Size = new System.Drawing.Size(, );

            this.label3.TabIndex = ;

            this.label3.Text = "请选择配餐：";

            //

            // radioButton1

            //

            this.radioButton1.AutoSize = true;

            this.radioButton1.BackColor = System.Drawing.Color.Transparent;

            this.radioButton1.Checked = true;//决定是否先选中其中一个

            this.radioButton1.Font = new System.Drawing.Font("微软雅黑", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)()));

            this.radioButton1.Location = new System.Drawing.Point(, );

            this.radioButton1.Name = "radioButton1";

            this.radioButton1.Size = new System.Drawing.Size(, );

            this.radioButton1.TabIndex = ;

            this.radioButton1.TabStop = true;

            this.radioButton1.Text = "薯条";

            this.radioButton1.UseVisualStyleBackColor = false;

            //

            // radioButton2

            //

            this.radioButton2.AutoSize = true;

            this.radioButton2.BackColor = System.Drawing.Color.Transparent;

            this.radioButton2.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.radioButton2.Location = new System.Drawing.Point(, );

            this.radioButton2.Name = "radioButton2";

            this.radioButton2.Size = new System.Drawing.Size(, );

            this.radioButton2.TabIndex = ;

            this.radioButton2.Text = "玉米棒";

            this.radioButton2.UseVisualStyleBackColor = false;

            this.radioButton2.CheckedChanged += new System.EventHandler(this.radioButton2_CheckedChanged);

            //

            // radioButton3

            //

            this.radioButton3.AutoSize = true;

            this.radioButton3.BackColor = System.Drawing.Color.Transparent;

            this.radioButton3.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.radioButton3.Location = new System.Drawing.Point(, );

            this.radioButton3.Name = "radioButton3";

            this.radioButton3.Size = new System.Drawing.Size(, );

            this.radioButton3.TabIndex = ;

            this.radioButton3.Text = "鸡米花";

            this.radioButton3.UseVisualStyleBackColor = false;

            this.radioButton3.CheckedChanged += new System.EventHandler(this.radioButton3_CheckedChanged);

            //

            // label4

            //

            this.label4.AutoSize = true;

            this.label4.BackColor = System.Drawing.Color.Transparent;

            this.label4.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.label4.ForeColor = System.Drawing.Color.White;

            this.label4.Location = new System.Drawing.Point(, );

            this.label4.Name = "label4";

            this.label4.Size = new System.Drawing.Size(, );

            this.label4.TabIndex = ;

            this.label4.Text = "请选择饮品：";

            this.label4.Click += new System.EventHandler(this.label4_Click);

            //

            // checkBox1

            //

            this.checkBox1.AutoSize = true;

            this.checkBox1.BackColor = System.Drawing.Color.Transparent;

            this.checkBox1.Font = new System.Drawing.Font("微软雅黑", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)()));

            this.checkBox1.ForeColor = System.Drawing.Color.Black;

            this.checkBox1.Location = new System.Drawing.Point(, );

            this.checkBox1.Name = "checkBox1";

            this.checkBox1.Size = new System.Drawing.Size(, );

            this.checkBox1.TabIndex = ;

            this.checkBox1.Text = "奶茶";

            this.checkBox1.UseVisualStyleBackColor = false;

            //

            // checkBox2

            //

            this.checkBox2.AutoSize = true;

            this.checkBox2.BackColor = System.Drawing.Color.Transparent;

            this.checkBox2.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.checkBox2.ForeColor = System.Drawing.Color.Black;

            this.checkBox2.Location = new System.Drawing.Point(, );

            this.checkBox2.Name = "checkBox2";

            this.checkBox2.Size = new System.Drawing.Size(, );

            this.checkBox2.TabIndex = ;

            this.checkBox2.Text = "可乐";

            this.checkBox2.UseVisualStyleBackColor = false;

            //

            // checkBox3

            //

            this.checkBox3.AutoSize = true;

            this.checkBox3.BackColor = System.Drawing.Color.Transparent;

            this.checkBox3.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.checkBox3.Location = new System.Drawing.Point(, );

            this.checkBox3.Name = "checkBox3";

            this.checkBox3.Size = new System.Drawing.Size(, );

            this.checkBox3.TabIndex = ;

            this.checkBox3.Text = "豆浆";

            this.checkBox3.UseVisualStyleBackColor = false;

            //

            // checkBox4

            //

            this.checkBox4.AutoSize = true;

            this.checkBox4.BackColor = System.Drawing.Color.Transparent;

            this.checkBox4.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.checkBox4.Location = new System.Drawing.Point(, );

            this.checkBox4.Name = "checkBox4";

            this.checkBox4.Size = new System.Drawing.Size(, );

            this.checkBox4.TabIndex = ;

            this.checkBox4.Text = "圣代";

            this.checkBox4.UseVisualStyleBackColor = false;

            this.checkBox4.CheckedChanged += new System.EventHandler(this.checkBox4_CheckedChanged);

            //

            // checkBox5

            //

            this.checkBox5.AutoSize = true;

            this.checkBox5.BackColor = System.Drawing.Color.Transparent;

            this.checkBox5.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.checkBox5.Location = new System.Drawing.Point(, );

            this.checkBox5.Name = "checkBox5";

            this.checkBox5.Size = new System.Drawing.Size(, );

            this.checkBox5.TabIndex = ;

            this.checkBox5.Text = "蔬菜汤";

            this.checkBox5.UseVisualStyleBackColor = false;

            //

            // checkBox6

            //

            this.checkBox6.AutoSize = true;

            this.checkBox6.BackColor = System.Drawing.Color.Transparent;

            this.checkBox6.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.checkBox6.Location = new System.Drawing.Point(, );

            this.checkBox6.Name = "checkBox6";

            this.checkBox6.Size = new System.Drawing.Size(, );

            this.checkBox6.TabIndex = ;

            this.checkBox6.Text = "牛奶";

            this.checkBox6.UseVisualStyleBackColor = false;

            //

            // label5

            //

            this.label5.AutoSize = true;

            this.label5.BackColor = System.Drawing.Color.Transparent;

            this.label5.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.label5.ForeColor = System.Drawing.Color.White;

            this.label5.Location = new System.Drawing.Point(, );

            this.label5.Name = "label5";

            this.label5.Size = new System.Drawing.Size(, );

            this.label5.TabIndex = ;

            this.label5.Text = "请输入地址：";

            //

            // label6

            //

            this.label6.AutoSize = true;

            this.label6.BackColor = System.Drawing.Color.Transparent;

            this.label6.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.label6.ForeColor = System.Drawing.Color.White;

            this.label6.Location = new System.Drawing.Point(, );

            this.label6.Name = "label6";

            this.label6.Size = new System.Drawing.Size(, );

            this.label6.TabIndex = ;

            this.label6.Text = "请输入电话：";

            this.label6.Click += new System.EventHandler(this.label6_Click);

            //

            // textBox1

            //

            this.textBox1.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.textBox1.Location = new System.Drawing.Point(, );

            this.textBox1.Multiline = true;

            this.textBox1.Name = "textBox1";

            this.textBox1.Size = new System.Drawing.Size(, );

            this.textBox1.TabIndex = ;

            //

            // textBox2

            //

            this.textBox2.Font = new System.Drawing.Font("微软雅黑", 10F);

            this.textBox2.Location = new System.Drawing.Point(, );

            this.textBox2.Multiline = true;

            this.textBox2.Name = "textBox2";

            this.textBox2.Size = new System.Drawing.Size(, );

            this.textBox2.TabIndex = ;

            //

            // button1

            //

            this.button1.BackColor = System.Drawing.Color.Transparent;

            this.button1.Font = new System.Drawing.Font("微软雅黑", 15F);

            this.button1.Location = new System.Drawing.Point(, );

            this.button1.Name = "button1";

            this.button1.Size = new System.Drawing.Size(, );

            this.button1.TabIndex = ;

            this.button1.Text = "提交";

            this.button1.UseVisualStyleBackColor = false;

            this.button1.Click += new System.EventHandler(this.button1_Click);

            //

            // Form1

            //

            this.AutoScaleDimensions = new System.Drawing.SizeF(16F, 35F);

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

            this.BackgroundImage = global::WindowsFormsApplication1.Properties.Resources._81093c0c839ca9eff9a92b5c38ad3686;

            this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;

            this.ClientSize = new System.Drawing.Size(, );

            this.Controls.Add(this.button1);

            this.Controls.Add(this.textBox2);

            this.Controls.Add(this.textBox1);

            this.Controls.Add(this.label6);

            this.Controls.Add(this.label5);

            this.Controls.Add(this.checkBox6);

            this.Controls.Add(this.checkBox5);

            this.Controls.Add(this.checkBox4);

            this.Controls.Add(this.checkBox3);

            this.Controls.Add(this.checkBox2);

            this.Controls.Add(this.checkBox1);

            this.Controls.Add(this.label4);

            this.Controls.Add(this.radioButton3);

            this.Controls.Add(this.radioButton2);

            this.Controls.Add(this.radioButton1);

            this.Controls.Add(this.label3);

            this.Controls.Add(this.comboBox1);

            this.Controls.Add(this.label2);

            this.Controls.Add(this.label1);

            this.Font = new System.Drawing.Font("微软雅黑", 20F);

            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));

            this.Margin = new System.Windows.Forms.Padding(, , , );

            this.Name = "Form1";

            this.Text = "KFC";

            this.ResumeLayout(false);

            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Label label1;

        private System.Windows.Forms.Label label2;

        private System.Windows.Forms.ComboBox comboBox1;

        private System.Windows.Forms.Label label3;

        private System.Windows.Forms.RadioButton radioButton1;

        private System.Windows.Forms.RadioButton radioButton2;

        private System.Windows.Forms.RadioButton radioButton3;

        private System.Windows.Forms.Label label4;

        private System.Windows.Forms.CheckBox checkBox1;

        private System.Windows.Forms.CheckBox checkBox2;

        private System.Windows.Forms.CheckBox checkBox3;

        private System.Windows.Forms.CheckBox checkBox4;

        private System.Windows.Forms.CheckBox checkBox5;

        private System.Windows.Forms.CheckBox checkBox6;

        private System.Windows.Forms.Label label5;

        private System.Windows.Forms.Label label6;

        private System.Windows.Forms.TextBox textBox1;

        private System.Windows.Forms.TextBox textBox2;

        private System.Windows.Forms.Button button1;

    }

}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

            comboBox1.SelectedIndex = ;//设置下拉框的默认值为第一行数据而不是为空;

        }

        private void label1_Click(object sender, EventArgs e)

        {

        }

        private void radioButton3_CheckedChanged(object sender, EventArgs e)

        {

        }

        private void radioButton2_CheckedChanged(object sender, EventArgs e)

        {

        }

        private void label4_Click(object sender, EventArgs e)

        {

        }

        private void checkBox4_CheckedChanged(object sender, EventArgs e)

        {

        }

        private void label6_Click(object sender, EventArgs e)

        {

        }

        private void button1_Click(object sender, EventArgs e)

        {

            //主食

            string zs = comboBox1.SelectedItem.ToString();

            //配餐

            string pc = "";

            if (radioButton1.Checked)//判断是否选中

                pc = radioButton1.Text;

            else if (radioButton2.Checked)

                pc = radioButton2.Text;

            else

                pc = radioButton3.Text;

            //饮品

            string yp = "";

            if (checkBox1.Checked)//判断饮品1是否选中

                yp += checkBox1.Text;

            if (checkBox2.Checked)

            {

                if (yp != "")//如果前面已经有选择过的饮品就加逗号

                {

                    yp += "，";

                }

                yp += checkBox2.Text;

            }

            if (checkBox3.Checked)

            {

                if (yp != "")

                {

                    yp += "，";

                }

                yp += checkBox3.Text;

            }

            if (checkBox4.Checked)

            {

                if (yp != "")

                {

                    yp += "，";

                }

                yp += checkBox4.Text;

            }

            if (checkBox5.Checked)

            {

                if (yp != "")

                {

                    yp += "，";

                }

                yp += checkBox5.Text;

                if (checkBox6.Checked)

                {

                    if (yp != "")

                    {

                        yp += "，";

                    }

                    yp += checkBox6.Text;

                }

            }

            //地址

            string dz = textBox1.Text;

            //电话

            string tel = textBox2.Text;

            MessageBox.Show("您选的的主食是：" + zs + "\r您选择的配餐是：" + pc + "\r您选择的饮品是：" + yp + "\r配送地址：" + dz + "\r联系电话：" + tel);

        }

        private void label2_Click(object sender, EventArgs e)

        {

        }

    }

}

Button控制操作

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