C#如何实现图片轮播功能
本文讲解"C#怎么实现图片轮播功能"，希望能够解决相关问题。
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;
}
关于 "C#怎么实现图片轮播功能" 就介绍到此。希望多多支持编程宝库。
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