/// <summary>
/// 处理下载按钮点击事件.
/// </summary>
private void btnDownload_Click(object sender, EventArgs e)
{
try
{
//构建临时文件路径.
string tempPath = tbPath.Text.Trim() + ".tmp";
// 检查文件是否存在.
if (File.Exists(tempPath))
{
string message = "已经存在重名文件，"
+ "你想要删除它吗？如果不，请更改本地路径.";
var result = MessageBox.Show(message, "文件名冲突",
MessageBoxButtons.OKCancel);
if (result == System.Windows.Forms.DialogResult.OK)
{
File.Delete(tempPath);
}
else
{
return;
}
}
// 初始化一个HttpDownloadClient实例.
// 首先存储文件到一个临时文件.
client = new HttpDownloadClient(tbURL.Text, tempPath);
//// 注册一个HttpDownloadClient事件.
client.DownloadCompleted += new EventHandler <HttpDownloadCompletedEventArgs>(
DownloadCompleted);
client.DownloadProgressChanged +=
new EventHandler <HttpDownloadProgressChangedEventArgs>(DownloadProgressChanged);
client.StatusChanged += new EventHandler(StatusChanged);
// 开始下载文件.
client.Start();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 处理下载按钮点击事件.
/// </summary>
private void btnDownload_Click(object sender, EventArgs e)
{
try
{
//构建临时文件路径.
string tempPath = tbPath.Text.Trim() + ".tmp";
// 检查文件是否存在.
if (File.Exists(tempPath))
{
string message = "已经存在重名文件，"
+ "你想要删除它吗？如果不，请更改本地路径.";
var result = MessageBox.Show(message, "文件名冲突",
MessageBoxButtons.OKCancel);
if (result == System.Windows.Forms.DialogResult.OK)
{
File.Delete(tempPath);
}
else
{
return;
}
}
// 初始化一个HttpDownloadClient实例.
// 首先存储文件到一个临时文件.
client = new HttpDownloadClient(tbURL.Text,tempPath );
//// 注册一个HttpDownloadClient事件.
client.DownloadCompleted += new EventHandler<HttpDownloadCompletedEventArgs>(
DownloadCompleted);
client.DownloadProgressChanged +=
new EventHandler<HttpDownloadProgressChangedEventArgs>(DownloadProgressChanged);
client.StatusChanged += new EventHandler(StatusChanged);
// 开始下载文件.
client.Start();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
