void AttachmentDownload_Click(object sender, EventArgs e)
{
Control _te = sender as Control;
string _tagString = (_te.Tag == null) ? "" : _te.Tag.ToString();
string[] _strs = _tagString.Split(',');
if (_strs.Length < 3)
{
XtraMessageBox.Show(string.Format("下载失败！错误的参数信息：{0}", _tagString), "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
string _indexString = _strs[0];
SaveFileDialog _f = new SaveFileDialog();
using (MetaDataQueryServiceClient _msc = new MetaDataQueryServiceClient())
{
_f.FileName = _msc.GetAttachFileName(_indexString, _strs[2]);
if (_f.ShowDialog() == DialogResult.OK)
{
byte[] _fileBytes = _msc.GetAttachFileBytes(_indexString, _strs[1]);
if (_fileBytes == null)
{
XtraMessageBox.Show("下载失败！取得的附件数据为空！", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
FileStream stream = File.OpenWrite(_f.FileName);
int _count = _fileBytes.Length;
stream.Write(_fileBytes, 0, _count);
stream.Close();
XtraMessageBox.Show("下载成功！", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
}
}