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C#实现图片轮播功能的代码

C#教程 来源：互联网作者：秩名发布时间：2022-12-19 22:21:46 人浏览

摘要

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实践过程

效果

代码

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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++;

}

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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;

}

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