public static void CopyTo(this FileInfo file, FileInfo destination, Update_Status_Delegate progressCallback)
{
const int bufferSize = 1024 * 1024; //1MB
byte[] buffer = new byte[bufferSize], buffer2 = new byte[bufferSize];
bool swap = false;
int progress = 0, reportedProgress = 0, read = 0;
long len = file.Length;
float flen = len;
Task writer = null;
using (var source = file.OpenRead())
using (var dest = destination.OpenWrite())
{
dest.SetLength(source.Length);
for (long size = 0; size < len; size += read)
{
if ((progress = ((int)((size / flen) * 100))) != reportedProgress)
{
progressCallback(reportedProgress = progress);
}
read = source.Read(swap ? buffer : buffer2, 0, bufferSize);
writer?.Wait(); // if < .NET4 // if (writer != null) writer.Wait();
writer = dest.WriteAsync(swap ? buffer : buffer2, 0, read);
swap = !swap;
}
writer?.Wait(); //Fixed - Thanks @sam-hocevar
}
}
private void menuPaste_Click(object sender, EventArgs e)
{
try
{
string pathSource, pathDest, pathString;
//MessageBox.Show(folderName);
if (isListView)
{
if (isFolder) // Nếu là folder
{
pathSource = pathFolder; // Lưu path nguồn
pathString = Path.Combine(currentPath, pasteItemName); // Lưu path
Directory.CreateDirectory(pathString); // Tạo thư mục ở vị trí mới có tên folder muốn paste
pathDest = pathString; // Lưu path dích
}
else
{
pathSource = pathFile;
pathDest = currentPath + itemPaste.Text;
}
}
else
{
pathSource = pathNode;
pathString = Path.Combine(currentPath, pasteItemName);
Directory.CreateDirectory(pathString);
pathDest = pathString;
}
//copy
if (isCopying)
{
if (isFolder)
{
Microsoft.VisualBasic.FileIO.FileSystem.CopyDirectory(pathSource, pathDest, true);
}
// Copy thư mục
//{
// if (Directory.Exists(pathSource))
// {
// string[] files = Directory.GetFiles(pathSource);
// foreach (string s in files)
// {
// string fileName = Path.GetFileName(s);
// string destFile = Path.Combine(pathDest, fileName);
// File.Copy(s, destFile, true);
// }
// }
// else
// {
// Console.WriteLine("Source path does not exist!");
// }
//}
else
{
FileInfo _source = new FileInfo(pathSource);
FileInfo _destination = new FileInfo(pathDest);
if (_destination.Exists)
{
_destination.Delete();
}
Update_Status_Delegate actionUpdate = new Update_Status_Delegate(Update_Status);
CopyUtils.CopyTo(_source, _destination, actionUpdate);
}
// Copy file
//File.Copy(pathSource, pathDest, true);
label1.Text = "Done";
isCopying = false;
}
//cut
if (isCutting)
{
if (isFolder)
{
Microsoft.VisualBasic.FileIO.FileSystem.MoveDirectory(pathSource, pathDest, true); // Move thư mục
}
else
// Microsoft.VisualBasic.FileIO.FileSystem.MoveFile(pathSource, pathDest, true); // Move file
{
FileInfo _source = new FileInfo(pathSource);
FileInfo _destination = new FileInfo(pathDest);
if (_destination.Exists)
{
_destination.Delete();
}
Update_Status_Delegate actionUpdate = new Update_Status_Delegate(Update_Status);
CopyUtils.CopyTo(_source, _destination, actionUpdate);
}
label1.Text = "Done";
isCutting = false;
}
string strPath;
if (!isFolder)
{
strPath = clsTreeListView.GetPathDir(pathDest);
}
else
{
strPath = currentPath;
}
clsTreeListView.FocusItem(listView, strPath, pasteItemName); // Hiện thư mục và select item vừa move/copy
menuPaste.Enabled = false;
tsbtnPaste.Enabled = false;
if (listView.Items.Count > 0)
{
statusLabel.Text = listView.Items.Count.ToString() + " đối tượng";
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
