不错的东东

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;

namespace AppleInPicture
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
}

private void btnSelectPicture_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "(*.jpg)|*.jpg|(*.gif)|*.gif";
if (ofd.ShowDialog() == DialogResult.OK)
{
this.tbPicture.Text = ofd.FileName;
}
}

private void btnSelectApple_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Apple file|*.rar;*.zip;*.7z";
if (ofd.ShowDialog() == DialogResult.OK)
{
this.tbApple.Text = ofd.FileName;
}
}

private void btnMake_Click(object sender, EventArgs e)
{
if (this.tbApple.Text.Length == 0 || this.tbPicture.Text.Length == 0)
{
return;
}

SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Image file|*.jpg";
if (sfd.ShowDialog() == DialogResult.OK)
{
Process p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardInput = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.RedirectStandardError = true;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.StandardInput.WriteLine(this.makeCommand(this.tbPicture.Text, this.tbApple.Text, sfd.FileName));
p.StandardInput.WriteLine("exit");
p.WaitForExit();

if (File.Exists(sfd.FileName))
{
MessageBox.Show("製作完成！", "提示");
}
else
{
MessageBox.Show("製作失敗！", "提示");
}
}
}

private string makeCommand(string f1, string f2, string f3)
{
return string.Format("copy /b {0}+{1} {2}", f1, f2, f3);
}
}
}