private void CopyInternal(string source, string dest, bool overwrite, bool isLargeTransfer, EventHandler <ProgressChangedEventArgs> progressChangedHandler, EventHandler completedHandler, XCopy.ErrorHandler errorHandler)
{
try
{
XCopy.CopyFileFlags copyFileFlags = XCopy.CopyFileFlags.COPY_FILE_RESTARTABLE;
if (!overwrite)
{
copyFileFlags |= XCopy.CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS;
}
if (isLargeTransfer)
{
copyFileFlags |= XCopy.CopyFileFlags.COPY_FILE_NO_BUFFERING;
}
this.Source = source;
this._dst = dest;
if (progressChangedHandler != null)
{
this.ProgressChanged = (EventHandler <ProgressChangedEventArgs>)Delegate.Combine(this.ProgressChanged, progressChangedHandler);
}
if (completedHandler != null)
{
this.Completed = (EventHandler)Delegate.Combine(this.Completed, completedHandler);
}
if (!XCopy.CopyFileEx(this.Source, this._dst, new XCopy.CopyProgressRoutine(this.CopyProgressHandler), IntPtr.Zero, ref this._isCancelled, copyFileFlags))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
catch (Exception ex)
{
if (progressChangedHandler != null)
{
this.ProgressChanged = (EventHandler <ProgressChangedEventArgs>)Delegate.Remove(this.ProgressChanged, progressChangedHandler);
}
if (completedHandler != null)
{
this.Completed = (EventHandler)Delegate.Remove(this.Completed, completedHandler);
}
if (errorHandler != null)
{
errorHandler(ex);
}
}
}
private static extern bool CopyFileEx(string lpExistingFileName, string lpNewFileName, XCopy.CopyProgressRoutine lpProgressRoutine, IntPtr lpData, ref int pbCancel, XCopy.CopyFileFlags dwCopyFlags);
