【实例简介】
C#转换图片格式实例
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using ponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Windows.Forms;
using System.Drawing.Imaging;
using System.IO;
//Download by
namespace ImageBatchChange
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
openFileDialog1.Filter = "*.jpg,*.jpeg,*.bmp,*.gif,*.ico,*.png,*.tif,*.wmf|*.jpg;*.jpeg;*.bmp;*.gif;*.ico;*.png;*.tif;*.wmf";
openFileDialog1.Title = "打开图片文件";
openFileDialog1.Multiselect = false;
openFileDialog1.ShowDialog();
listBox1.Items.Add(openFileDialog1.FileName);
}
private void button2_Click(object sender, EventArgs e)
{
if (comboBox1.SelectedItem == null)
{
return;
}
else
{
for (int i = 0; i < listBox1.Items.Count; i )
{
Bitmap bitmap = new Bitmap(listBox1.Items[i].ToString());
string fileName = listBox1.Items[i].ToString().Substring(0, listBox1.Items[i].ToString().LastIndexOf("\\") 1)
listBox1.Items[i].ToString().Substring(listBox1.Items[i].ToString().LastIndexOf("\\") 1,
listBox1.Items[i].ToString().LastIndexOf(".") - listBox1.Items[i].ToString().LastIndexOf("\\") - 1);
switch (comboBox1.Text)
{
case "*.bmp":
bitmap.Save(fileName ".bmp", ImageFormat.Bmp);
break;
case "*.jpg":
bitmap.Save(fileName ".jpg", ImageFormat.Jpeg);
break;
case "*.gif":
bitmap.Save(fileName ".gif", ImageFormat.Gif);
break;
case "*.tif":
bitmap.Save(fileName ".tif", ImageFormat.Tiff);
break;
case "*.png":
bitmap.Save(fileName ".png", ImageFormat.Png);
break;
case "*.wmf":
bitmap.Save(fileName ".wmf", ImageFormat.Wmf);
break;
}
}
MessageBox.Show("转换完成", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
}
