/// <summary>
/// 选择需要发送的文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void bt_BrowserFile_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Text_FileMD5.Text = "";
string FilePath = openFileDialog1.FileName;
Text_FilePath.Text = FilePath;
Text_FileName.Text = System.IO.Path.GetFileName(FilePath);
//创建文件流
fileInfo = new System.IO.FileInfo(FilePath);
//获取文件大小
Text_FileSize.Text = fileInfo.Length.ToString();
//获取文件包个数(文件总数除以包的大小)
Text_PackCount.Text = Convert.ToInt32(fileInfo.Length / (long)Text_PackSize.Value).ToString();
//Text_PackCount.Text = _bagCount.ToString();
//获取最后一个文件包大小
Text_LastPackSize.Text = (fileInfo.Length - Convert.ToInt32(Text_PackCount.Text.Trim()) * (long)Text_PackSize.Value).ToString();
//获取文件的MD5值
//Text_FileMD5.Text = NetClassLibrary.FileTools.GetFileMD5(FilePath);
//使用委托来创建新的线程计算文件MD5值；并传递文件路径和返回MD5值
label20.Text = "正在计算文件MD5值...";
FileTools _fileMD5 = new FileTools();
D_MyGetMD5 myMD5 = new D_MyGetMD5(_fileMD5.GetFileMD5);
myMD5.BeginInvoke(FilePath, new AsyncCallback(OutMD5), null);
}
}
/// <summary>
/// 定义一个用于显示返回值的函数
/// </summary>
/// <param name="result"></param>
public void OutMD5(IAsyncResult result)
{
AsyncResult async = (AsyncResult)result;
D_MyGetMD5 Deletget = (D_MyGetMD5)async.AsyncDelegate;
////把文件的MD5值显示在文本框中
//Text_FileMD5.Text = Deletget.EndInvoke(result);
//实例化界面更新委托，调用界面跟新函数更新MD5显示文本框
MyInvoke mi = new MyInvoke(UpText);
this.BeginInvoke(mi, new object[] { Deletget.EndInvoke(result) });
}
