C#实现图片轮播功能的示例代码

目录

• 实践过程
• 效果
• 代码

实践过程

效果

代码

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

    public bool Pflag;
    int flag = 0;
    FileSystemInfo[] fsinfo;
    ArrayList al = new ArrayList();
    int MM = 0;

    private void splitContainer2_Panel2_Paint(object sender, PaintEventArgs e)
    {
    }

    private void Form1_Load(object sender, EventArgs e)
    {
        cbbShowType.SelectedIndex = 0;
    }

    private void button1_Click(object sender, EventArgs e)
    {
        if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
        {
            al.Clear();
            listBox1.Items.Clear();
            txtPicPath.Text = folderBrowserDialog1.SelectedPath;
            DirectoryInfo di = new DirectoryInfo(txtPicPath.Text);
            fsinfo = di.GetFileSystemInfos();
            for (int i = 0; i < fsinfo.Length; i++)
            {
                string filename = fsinfo[i].ToString();
                string filetype = filename.Substring(filename.LastIndexOf(".") + 1, filename.Length - filename.LastIndexOf(".") - 1);
                filetype = filetype.ToLower();
                if (filetype == "jpeg" || filetype == "jpg" || filetype == "png" || filetype == "gif" || filetype == "bmp")
                {
                    listBox1.Items.Add(fsinfo[i].ToString());
                    al.Add(fsinfo[i].ToString());
                    flag++;
                }
            }

            listBox1.SetSelected(0, true);
            listBox1.Focus();
            tssltotel.Text = "共有" + flag + "张图片";
            Pflag = true;
        }
    }

    private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
    {
        string picpath = txtPicPath.Text + "\\" + listBox1.SelectedItem.ToString();
        tsslPath.Text = "|当前第" + Convert.ToString(listBox1.SelectedIndex + 1) + "张图片|图片位置：" + picpath;
        pictureBox1.Image = Image.FromFile(picpath);
        MM = listBox1.SelectedIndex;
    }

    private void button3_Click(object sender, EventArgs e)
    {
        listBox1.Items.Clear();
        txtPicPath.Text = "";
        tssltotel.Text = "";
        tsslPath.Text = "";
        pictureBox1.Image = null;
        Pflag = false;
        timer1.Stop();
        button5.Enabled = true;
    }

    private void button5_Click(object sender, EventArgs e)
    {
        if (Pflag)
        {
            if (txtTime.Text != "")
            {
                if (cbbShowType.SelectedIndex == 1)
                {
                    timer1.Interval = int.Parse(txtTime.Text.Trim());
                    timer1.Start();
                    button5.Enabled = false;
                }
                else
                {
                    Form2 frm2 = new Form2();
                    frm2.fsi = al;
                    frm2.picPath = txtPicPath.Text.Trim();
                    frm2.mytimer = int.Parse(txtTime.Text.Trim());
                    frm2.ShowDialog();
                }
            }
        }
    }

    private void timer1_Tick(object sender, EventArgs e)
    {
        if (MM < listBox1.Items.Count)
        {
            if (txtPicPath.Text.Trim().Length == 3)
            {
                pictureBox1.Image = Image.FromFile(txtPicPath.Text.Trim() + listBox1.Items[MM].ToString());
                listBox1.SetSelected(MM, true);
            }
            else
            {
                pictureBox1.Image = Image.FromFile(txtPicPath.Text.Trim() + "\\" + listBox1.Items[MM].ToString());
                listBox1.SetSelected(MM, true);
            }
        }

        MM++;
    }

    private void txtTime_KeyPress(object sender, KeyPressEventArgs e)
    {
        if (!(e.KeyChar <= '9' && e.KeyChar >= '0') && e.KeyChar != '\r' && e.KeyChar != '\b')
        {
            e.Handled = true;
        }
    }

    private void txtTime_KeyDown(object sender, KeyEventArgs e)
    {
        if (txtTime.Text != "")
        {
            if (txtTime.Text.Trim().Substring(0, 1) == "0")
            {
                txtTime.Text = txtTime.Text.Substring(1, txtTime.Text.Length - 1);
            }
        }
    }

    private void button6_Click(object sender, EventArgs e)
    {
        timer1.Stop();
        button5.Enabled = true;
    }
}

public partial class Form2 : Form
{
    public Form2()
    {
        InitializeComponent();
    }
    public ArrayList fsi=new ArrayList();
    public int mytimer;
    public string picPath;
    private void pictureBox1_Click(object sender, EventArgs e)
    {
        timer1.Stop();
        this.Close();
    }

    private void pictureBox2_Click(object sender, EventArgs e)
    {

    }

    private void Form2_Load(object sender, EventArgs e)
    {
        timer1.Interval = mytimer;
        timer1.Start();
    }

    int MM = 0;
    private void timer1_Tick(object sender, EventArgs e)
    {
        if (MM <fsi.Count)
        {
            if (picPath.Length == 3)
            {
                pictureBox2.Image = Image.FromFile(picPath +fsi[MM].ToString());
            }
            else
            {
                pictureBox2.Image = Image.FromFile(picPath + "\\" + fsi[MM].ToString());
            }
        }
        MM++;
    }
}

 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()
        {
            this.components = new System.ComponentModel.Container();
            this.statusStrip1 = new System.Windows.Forms.StatusStrip();
            this.tssltotel = new System.Windows.Forms.ToolStripStatusLabel();
            this.tsslPath = new System.Windows.Forms.ToolStripStatusLabel();
            this.splitContainer1 = new System.Windows.Forms.SplitContainer();
            this.listBox1 = new System.Windows.Forms.ListBox();
            this.button6 = new System.Windows.Forms.Button();
            this.button5 = new System.Windows.Forms.Button();
            this.button3 = new System.Windows.Forms.Button();
            this.cbbShowType = new System.Windows.Forms.ComboBox();
            this.txtTime = new System.Windows.Forms.TextBox();
            this.label2 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            this.txtPicPath = new System.Windows.Forms.TextBox();
            this.label1 = new System.Windows.Forms.Label();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.statusStrip1.SuspendLayout();
            this.splitContainer1.Panel1.SuspendLayout();
            this.splitContainer1.Panel2.SuspendLayout();
            this.splitContainer1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            //
            // statusStrip1
            //
            this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.tssltotel,
            this.tsslPath});
            this.statusStrip1.Location = new System.Drawing.Point(0, 398);
            this.statusStrip1.Name = "statusStrip1";
            this.statusStrip1.Size = new System.Drawing.Size(616, 22);
            this.statusStrip1.TabIndex = 0;
            this.statusStrip1.Text = "statusStrip1";
            //
            // tssltotel
            //
            this.tssltotel.BackColor = System.Drawing.Color.Transparent;
            this.tssltotel.Name = "tssltotel";
            this.tssltotel.Size = new System.Drawing.Size(0, 17);
            //
            // tsslPath
            //
            this.tsslPath.BackColor = System.Drawing.Color.Transparent;
            this.tsslPath.Name = "tsslPath";
            this.tsslPath.Size = new System.Drawing.Size(0, 17);
            //
            // splitContainer1
            //
            this.splitContainer1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.splitContainer1.Location = new System.Drawing.Point(0, 0);
            this.splitContainer1.Name = "splitContainer1";
            //
            // splitContainer1.Panel1
            //
            this.splitContainer1.Panel1.Controls.Add(this.listBox1);
            this.splitContainer1.Panel1.Controls.Add(this.button6);
            this.splitContainer1.Panel1.Controls.Add(this.button5);
            this.splitContainer1.Panel1.Controls.Add(this.button3);
            this.splitContainer1.Panel1.Controls.Add(this.cbbShowType);
            this.splitContainer1.Panel1.Controls.Add(this.txtTime);
            this.splitContainer1.Panel1.Controls.Add(this.label2);
            this.splitContainer1.Panel1.Controls.Add(this.button1);
            this.splitContainer1.Panel1.Controls.Add(this.txtPicPath);
            this.splitContainer1.Panel1.Controls.Add(this.label1);
            //
            // splitContainer1.Panel2
            //
            this.splitContainer1.Panel2.Controls.Add(this.pictureBox1);
            this.splitContainer1.Size = new System.Drawing.Size(616, 398);
            this.splitContainer1.SplitterDistance = 205;
            this.splitContainer1.SplitterWidth = 1;
            this.splitContainer1.TabIndex = 1;
            //
            // listBox1
            //
            this.listBox1.FormattingEnabled = true;
            this.listBox1.ItemHeight = 12;
            this.listBox1.Location = new System.Drawing.Point(5, 148);
            this.listBox1.Name = "listBox1";
            this.listBox1.Size = new System.Drawing.Size(195, 244);
            this.listBox1.TabIndex = 0;
            this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
            //
            // button6
            //
            this.button6.Location = new System.Drawing.Point(70, 119);
            this.button6.Name = "button6";
            this.button6.Size = new System.Drawing.Size(63, 23);
            this.button6.TabIndex = 9;
            this.button6.Text = "停止播放";
            this.button6.UseVisualStyleBackColor = true;
            this.button6.Click += new System.EventHandler(this.button6_Click);
            //
            // button5
            //
            this.button5.Location = new System.Drawing.Point(5, 119);
            this.button5.Name = "button5";
            this.button5.Size = new System.Drawing.Size(63, 23);
            this.button5.TabIndex = 8;
            this.button5.Text = "开始播放";
            this.button5.UseVisualStyleBackColor = true;
            this.button5.Click += new System.EventHandler(this.button5_Click);
            //
            // button3
            //
            this.button3.Location = new System.Drawing.Point(135, 119);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(63, 23);
            this.button3.TabIndex = 6;
            this.button3.Text = "清除数据";
            this.button3.UseVisualStyleBackColor = true;
            this.button3.Click += new System.EventHandler(this.button3_Click);
            //
            // cbbShowType
            //
            this.cbbShowType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.cbbShowType.FormattingEnabled = true;
            this.cbbShowType.Items.AddRange(new object[] {
            "原图大小显示",
            "适应窗口显示"});
            this.cbbShowType.Location = new System.Drawing.Point(5, 93);
            this.cbbShowType.Name = "cbbShowType";
            this.cbbShowType.Size = new System.Drawing.Size(195, 20);
            this.cbbShowType.TabIndex = 0;
            //
            // txtTime
            //
            this.txtTime.Location = new System.Drawing.Point(5, 63);
            this.txtTime.Name = "txtTime";
            this.txtTime.Size = new System.Drawing.Size(195, 21);
            this.txtTime.TabIndex = 4;
            this.txtTime.Text = "1000";
            this.txtTime.KeyDown += new System.Windows.Forms.KeyEventHandler(this.txtTime_KeyDown);
            this.txtTime.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txtTime_KeyPress);
            //
            // label2
            //
            this.label2.AutoSize = true;
            this.label2.Location = new System.Drawing.Point(3, 48);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(89, 12);
            this.label2.TabIndex = 3;
            this.label2.Text = "暂停时间(毫秒)";
            //
            // button1
            //
            this.button1.Location = new System.Drawing.Point(143, 20);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(57, 23);
            this.button1.TabIndex = 2;
            this.button1.Text = "浏览...";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            //
            // txtPicPath
            //
            this.txtPicPath.BackColor = System.Drawing.Color.White;
            this.txtPicPath.Location = new System.Drawing.Point(5, 21);
            this.txtPicPath.Name = "txtPicPath";
            this.txtPicPath.ReadOnly = true;
            this.txtPicPath.Size = new System.Drawing.Size(137, 21);
            this.txtPicPath.TabIndex = 1;
            //
            // label1
            //
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(3, 6);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(65, 12);
            this.label1.TabIndex = 0;
            this.label1.Text = "图片目录：";
            //
            // pictureBox1
            //
            this.pictureBox1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.pictureBox1.Location = new System.Drawing.Point(0, 0);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(406, 394);
            this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            //
            // timer1
            //
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            //
            // Form1
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.BackColor = System.Drawing.Color.WhiteSmoke;
            this.ClientSize = new System.Drawing.Size(616, 420);
            this.Controls.Add(this.splitContainer1);
            this.Controls.Add(this.statusStrip1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
            this.MaximizeBox = false;
            this.Name = "Form1";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "图片自动播放器";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.statusStrip1.ResumeLayout(false);
            this.statusStrip1.PerformLayout();
            this.splitContainer1.Panel1.ResumeLayout(false);
            this.splitContainer1.Panel1.PerformLayout();
            this.splitContainer1.Panel2.ResumeLayout(false);
            this.splitContainer1.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.StatusStrip statusStrip1;
        private System.Windows.Forms.SplitContainer splitContainer1;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.TextBox txtPicPath;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.TextBox txtTime;
        private System.Windows.Forms.ListBox listBox1;
        private System.Windows.Forms.Button button6;
        private System.Windows.Forms.Button button5;
        private System.Windows.Forms.Button button3;
        private System.Windows.Forms.ComboBox cbbShowType;
        private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1;
        private System.Windows.Forms.ToolStripStatusLabel tsslPath;
        private System.Windows.Forms.ToolStripStatusLabel tssltotel;
        private System.Windows.Forms.PictureBox pictureBox1;
        private System.Windows.Forms.Timer timer1;

    }

  partial class Form2
    {
        /// <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()
        {
            this.components = new System.ComponentModel.Container();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.pictureBox2 = new System.Windows.Forms.PictureBox();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();
            this.SuspendLayout();
            //
            // pictureBox1
            //
            this.pictureBox1.Dock = System.Windows.Forms.DockStyle.Right;
            this.pictureBox1.Image = global::PicPlay.Properties.Resources.图标__57_;
            this.pictureBox1.Location = new System.Drawing.Point(686, 0);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(27, 451);
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            this.pictureBox1.Click += new System.EventHandler(this.pictureBox1_Click);
            //
            // timer1
            //
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            //
            // pictureBox2
            //
            this.pictureBox2.Dock = System.Windows.Forms.DockStyle.Fill;
            this.pictureBox2.Location = new System.Drawing.Point(0, 0);
            this.pictureBox2.Name = "pictureBox2";
            this.pictureBox2.Size = new System.Drawing.Size(686, 451);
            this.pictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
            this.pictureBox2.TabIndex = 1;
            this.pictureBox2.TabStop = false;
            this.pictureBox2.Click += new System.EventHandler(this.pictureBox2_Click);
            //
            // Form2
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.BackColor = System.Drawing.Color.Black;
            this.ClientSize = new System.Drawing.Size(713, 451);
            this.Controls.Add(this.pictureBox2);
            this.Controls.Add(this.pictureBox1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
            this.Name = "Form2";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Form2";
            this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
            this.Load += new System.EventHandler(this.Form2_Load);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();
            this.ResumeLayout(false);

        }

        #endregion

        private System.Windows.Forms.PictureBox pictureBox1;
        private System.Windows.Forms.Timer timer1;
        private System.Windows.Forms.PictureBox pictureBox2;

    }

到此这篇关于C#实现图片轮播功能的示例代码的文章就介绍到这了,更多相关C#图片轮播内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们