private void Copy(string fromFile, string toFile, long transferedSize)
{
if (!File.Exists(fromFile))
{
throw new Exception("Input File " + fromFile + "Can't Opened.");
}
if (File.Exists(toFile))
{
if (isNoOverwriteAll_)
{
return;
}
if (!isOverwriteAll_)
{
OverwritePrompt opWnd = new OverwritePrompt();
OverwriteOption owOp = opWnd.ExecuteDialog("File " + toFile + " was exists. Overwrite it?");
if (owOp == OverwriteOption.NoToAll)
{
isNoOverwriteAll_ = true;
return;
}
if (owOp == OverwriteOption.No)
{
return;
}
if (owOp == OverwriteOption.YesToAll)
{
isOverwriteAll_ = true;
}
}
}
FileStream fin = null;
FileStream fout = null;
try
{
string outDirectory = Path.GetDirectoryName(toFile);
if (!Directory.Exists(outDirectory))
{
Directory.CreateDirectory(outDirectory);
}
fin = new FileStream(fromFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fout = new FileStream(toFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
int bufsize = 64 * 1024; // 64K Buffer
byte[] buf = new byte[bufsize];
long curPos = 0;
while (true)
{
if (isNeedExit_)
{
throw new Exception(
"File copy was aborted by user."
);
}
int readCount = fin.Read(buf, 0, bufsize);
fout.Write(buf, 0, readCount);
curPos += readCount;
//设置进度条和时间
pbTotal.Value = (int)((double)(curPos + transferedSize) / (double)totalSize_ * 1000.0);
pbFile.Value = (int)((double)curPos / (double)fin.Length * 1000.0);
int thisTick = Environment.TickCount;
int elapsedTick = thisTick - startTick_;
int totalTick = (int)((double)elapsedTick / (double)(curPos + transferedSize) * (double)totalSize_);
TimeSpan ts = new TimeSpan(elapsedTick / 1000);
elapsedTimeStr_ = ts.ToString();
ts = new TimeSpan(totalTick - elapsedTick);
residualTimeStr_ = ts.ToString();
lblFilePercentage.Text = (pbFile.Value / 10).ToString() + "%";
lblTotalPercentage.Text = (pbTotal.Value / 10).ToString() + "%";
Application.DoEvents();
if (readCount < bufsize)
{
break;
}
}
}
catch (Exception exc)
{
if (fin != null)
{
fin.Close();
}
if (fout != null)
{
fout.Close();
}
try
{
File.Delete(toFile);
}
catch
{
; //null
}
throw exc;
}
finally
{
fin.Close();
fout.Close();
FileInfo srcFileInfo = new FileInfo(fromFile);
FileInfo toFileInfo = new FileInfo(toFile);
toFileInfo.LastWriteTime = srcFileInfo.LastWriteTime;
}
}
private void Copy( string fromFile, string toFile, long transferedSize )
{
if( !File.Exists( fromFile ) ) {
throw new Exception( "Input File " + fromFile + "Can't Opened." );
}
if( File.Exists( toFile ) ) {
if( isNoOverwriteAll_ ) {
return;
}
if( !isOverwriteAll_ ) {
OverwritePrompt opWnd = new OverwritePrompt();
OverwriteOption owOp = opWnd.ExecuteDialog( "File " + toFile + " was exists. Overwrite it?" );
if( owOp == OverwriteOption.NoToAll ) {
isNoOverwriteAll_ = true;
return;
}
if( owOp == OverwriteOption.No ) {
return;
}
if( owOp == OverwriteOption.YesToAll ) {
isOverwriteAll_ = true;
}
}
}
FileStream fin = null;
FileStream fout = null;
try
{
string outDirectory = Path.GetDirectoryName(toFile);
if(!Directory.Exists(outDirectory)){
Directory.CreateDirectory(outDirectory);
}
fin = new FileStream(fromFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
fout = new FileStream(toFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
int bufsize = 64 * 1024; // 64K Buffer
byte[] buf = new byte[bufsize];
long curPos = 0;
while (true)
{
if (isNeedExit_)
{
throw new Exception(
"File copy was aborted by user."
);
}
int readCount = fin.Read(buf, 0, bufsize);
fout.Write(buf, 0, readCount);
curPos += readCount;
//���ý�������ʱ��
pbTotal.Value = (int)((double)(curPos + transferedSize) / (double)totalSize_ * 1000.0);
pbFile.Value = (int)((double)curPos / (double)fin.Length * 1000.0);
int thisTick = Environment.TickCount;
int elapsedTick = thisTick - startTick_;
int totalTick = (int)((double)elapsedTick / (double)(curPos + transferedSize) * (double)totalSize_);
TimeSpan ts = new TimeSpan(elapsedTick / 1000);
elapsedTimeStr_ = ts.ToString();
ts = new TimeSpan(totalTick - elapsedTick);
residualTimeStr_ = ts.ToString();
lblFilePercentage.Text = (pbFile.Value / 10).ToString() + "%";
lblTotalPercentage.Text = (pbTotal.Value / 10).ToString() + "%";
Application.DoEvents();
if (readCount < bufsize)
{
break;
}
}
}
catch (Exception exc)
{
if (fin != null)
{
fin.Close();
}
if (fout != null)
{
fout.Close();
}
try
{
File.Delete(toFile);
}
catch
{
; //null
}
throw exc;
}
finally
{
fin.Close();
fout.Close();
FileInfo srcFileInfo = new FileInfo(fromFile);
FileInfo toFileInfo = new FileInfo(toFile);
toFileInfo.LastWriteTime = srcFileInfo.LastWriteTime;
}
}