目录

一 原型

二 源码

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一 原型

二 源码

namespace 图片查看器
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){//默认显示第一张图片pictureBox1.Image = imageList1.Images[0];}private void button1_Click(object sender, EventArgs e){int index = new Random().Next(0, imageList1.Images.Count);pictureBox1.Image = imageList1.Images[index];}private void button2_Click(object sender, EventArgs e){int index = new Random().Next(0, imageList1.Images.Count);pictureBox1.Image = imageList1.Images[index];}}
}

设计器自动生成的代码：

namespace 图片查看器
{partial class Form1{/// <summary>///  Required designer variable./// </summary>private System.ComponentModel.IContainer components = null;/// <summary>///  Clean up any resources being used./// </summary>/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>protected override void Dispose(bool disposing){if (disposing && (components != null)){components.Dispose();}base.Dispose(disposing);}#region Windows Form Designer generated code/// <summary>///  Required method for Designer support - do not modify///  the contents of this method with the code editor./// </summary>private void InitializeComponent(){components = new System.ComponentModel.Container();System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));pictureBox1 = new PictureBox();button1 = new Button();button2 = new Button();imageList1 = new ImageList(components);((System.ComponentModel.ISupportInitialize)pictureBox1).BeginInit();SuspendLayout();// // pictureBox1// pictureBox1.Location = new Point(3, 59);pictureBox1.Name = "pictureBox1";pictureBox1.Size = new Size(841, 634);pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;pictureBox1.TabIndex = 0;pictureBox1.TabStop = false;// // button1// button1.Location = new Point(155, 24);button1.Name = "button1";button1.Size = new Size(94, 29);button1.TabIndex = 1;button1.Text = "下一张";button1.UseVisualStyleBackColor = true;button1.Click += button1_Click;// // button2// button2.Location = new Point(271, 25);button2.Name = "button2";button2.Size = new Size(94, 29);button2.TabIndex = 2;button2.Text = "上一张";button2.UseVisualStyleBackColor = true;button2.Click += button2_Click;// // imageList1// imageList1.ColorDepth = ColorDepth.Depth32Bit;imageList1.ImageStream = (ImageListStreamer)resources.GetObject("imageList1.ImageStream");imageList1.TransparentColor = Color.Transparent;imageList1.Images.SetKeyName(0, "B.png");imageList1.Images.SetKeyName(1, "C#.png");imageList1.Images.SetKeyName(2, "C++.png");imageList1.Images.SetKeyName(3, "python.png");imageList1.Images.SetKeyName(4, "QML.png");imageList1.Images.SetKeyName(5, "Qt.png");imageList1.Images.SetKeyName(6, "Qt头.png");imageList1.Images.SetKeyName(7, "unity.png");imageList1.Images.SetKeyName(8, "winform.png");imageList1.Images.SetKeyName(9, "程序.png");// // Form1// AutoScaleDimensions = new SizeF(9F, 20F);AutoScaleMode = AutoScaleMode.Font;ClientSize = new Size(856, 705);Controls.Add(button2);Controls.Add(button1);Controls.Add(pictureBox1);MaximizeBox = false;Name = "Form1";Text = "图片查看器";Load += Form1_Load;((System.ComponentModel.ISupportInitialize)pictureBox1).EndInit();ResumeLayout(false);}#endregionprivate PictureBox pictureBox1;private Button button1;private Button button2;private ImageList imageList1;}
}