//浏览电子文件
private void previewFile()
{
if (lstFileExplorer.SelectedItems.Count == 0)
{
MB.WinBase.MessageBoxEx.Show("请选择需要导出的电子文件.");
return;
}
try {
FileDataInfo dataInfo = lstFileExplorer.SelectedItems[0].Tag as FileDataInfo;
//string tempFile = System.AppDomain.CurrentDomain.BaseDirectory + @"temp\" + System.Guid.NewGuid().ToString().Replace('-','1') + dataInfo.Type;
string tempFile = System.AppDomain.CurrentDomain.BaseDirectory + @"temp\" + System.Guid.NewGuid().ToString() + dataInfo.Type;
System.IO.FileStream myStream = new System.IO.FileStream(tempFile, System.IO.FileMode.CreateNew);
System.IO.BinaryWriter binWrite = new System.IO.BinaryWriter(myStream);
binWrite.Write(dataInfo.Content);
binWrite.Close();
myStream.Close();
System.Diagnostics.ProcessStartInfo Info = new System.Diagnostics.ProcessStartInfo();
Info.FileName = tempFile;//FILE_PATH;
//声明一个程序类
System.Diagnostics.Process Proc;
//启动外部程序
Proc = System.Diagnostics.Process.Start(Info);
}
catch (Exception e) {
MB.Util.TraceEx.Write("文件浏览有误" + e.Message);
MB.WinBase.MessageBoxEx.Show("文件浏览有误,可能是找不到对应的打开程序。请重试.");
}
}
private void addFileToList(string fileFullName)
{
FileInfo fi = new FileInfo(fileFullName);
int fileLen = (int)fi.Length;
byte[] datas = new byte[fileLen];
System.IO.FileStream fileStream = fi.OpenRead();
fileStream.Read(datas, 0, fileLen);
fileStream.Close();
FileDataInfo fileData = new FileDataInfo();
if (_FileList.Where <FileDataInfo>(o => string.Compare(o.Name, fi.Name, true) == 0).Count <FileDataInfo>() > 0)
{
return;
}
fileData.Name = fi.Name;
fileData.Size = System.Convert.ToInt32(fi.Length);
fileData.Type = fi.Extension;
fileData.CreateDate = System.DateTime.Now;
fileData.Content = datas;
fileData.SmallFileIcon = MB.Util.MyConvert.Instance.ImageToByte(IconExtractor.GetFileIcon(fi.FullName, IconSize.Small));
fileData.LargeFileIcon = MB.Util.MyConvert.Instance.ImageToByte(Image.FromFile(fileFullName).GetThumbnailImage(_ShrinkImageSize.Width, _ShrinkImageSize.Height, null, new IntPtr())); //MB.Util.MyConvert.Instance.ImageToByte(IconExtractor.GetFileIcon(fi.FullName, IconSize.Large));
_FileList.Add(fileData);
System.Windows.Forms.ListViewItem item = createItemByInfo(fileData);
lstFileExplorer.Items.Add(item);
}
//删除选择的行
private void deleteFile()
{
if (lstFileExplorer.SelectedItems.Count == 0)
{
MB.WinBase.MessageBoxEx.Show("请选择需要删除的电子文件.");
return;
}
while (lstFileExplorer.SelectedItems.Count > 0)
{
System.Windows.Forms.ListViewItem item = lstFileExplorer.SelectedItems[0];
FileDataInfo dataInfo = item.Tag as FileDataInfo;
_FileList.Remove(dataInfo);
lstFileExplorer.Items.Remove(item);
}
}
//导出电子文件
private void outputFile()
{
if (lstFileExplorer.SelectedItems.Count == 0)
{
MB.WinBase.MessageBoxEx.Show("请选择需要导出的电子文件.");
return;
}
try {
FileDataInfo dataInfo = lstFileExplorer.SelectedItems[0].Tag as FileDataInfo;
System.Windows.Forms.SaveFileDialog saveDlg = new System.Windows.Forms.SaveFileDialog();
saveDlg.DefaultExt = dataInfo.Type;
string fileType = dataInfo.Type;
saveDlg.Filter = fileType.Remove(0, 1) + " files (*" + fileType + ")|*" + fileType;;
if (saveDlg.ShowDialog() == DialogResult.OK)
{
System.IO.Stream outPut = null;
if ((outPut = saveDlg.OpenFile()) != null)
{
if (outPut.Length > 0)
{
DialogResult re = MB.WinBase.MessageBoxEx.Question("文件已经存在，是否要覆盖原先的文件?");
if (re != DialogResult.Yes)
{
outPut.Close();
return;
}
}
System.IO.BinaryWriter binWrite = new System.IO.BinaryWriter(outPut);
binWrite.Write(dataInfo.Content);
binWrite.Close();
if (outPut != null)
{
outPut.Close();
}
MB.WinBase.MessageBoxEx.Show("文件导出操作成功！");
}
}
}
catch (Exception ex) {
MB.WinBase.MessageBoxEx.Show("文件导出操作不成功！");
MB.Util.TraceEx.Write(ex.Message);
}
}
//根据Info 创建listview 的item
private System.Windows.Forms.ListViewItem createItemByInfo(FileDataInfo dataInfo)
{
System.Windows.Forms.ListViewItem item = new ListViewItem(dataInfo.Name);
item.SubItems.Add(dataInfo.Type);
item.SubItems.Add((dataInfo.Size / 1000).ToString() + " KB");
item.SubItems.Add(dataInfo.CreateDate.ToString("yyyy-MM-dd hh:mm"));
item.SubItems.Add(dataInfo.Remark);
item.Tag = dataInfo;
_SmallIconList.Images.Add(MB.Util.MyConvert.Instance.ByteToImage(dataInfo.SmallFileIcon));
_IconList.Images.Add(MB.Util.MyConvert.Instance.ByteToImage(dataInfo.LargeFileIcon));
item.ImageIndex = _SmallIconList.Images.Count - 1;
return(item);
}
public EditFileExplorerEventArgs(System.Windows.Forms.ListViewItem item, FileDataInfo itemData)
{
_Item = item;
_ItemData = itemData;
}
