private Result GetOverwriteResult(SourceTarget source
, IFileInfo target)
{
Result result = Result.Yes;
if (target.Exists)
{
result = Result.No;
if (Overwrite == OverwriteOptionConstants.Ask)
{
Int64 startTicks = DateTime.Now.Ticks;
result = UIServices.ShowMessageBox("Overwrite \"" + target.FullName + "\"\nfrom \"" + source.SourceFile.FullName + "\"?", "Overwrite?", Buttons.YesNoCancel, Icon.Question);
Int64 endTicks = DateTime.Now.Ticks;
TimeSpan span = new TimeSpan(endTicks - startTicks);
CopyPaused?.Invoke(this, new EventArgs <TimeSpan>(span));
}
else if (Overwrite == OverwriteOptionConstants.Always)
{
result = Result.Yes;
}
}
return(result);
}
private Boolean CommenceCopy(List <SourceTarget> fileInfos)
{
foreach (SourceTarget fileInfo in fileInfos)
{
if (CancellationToken.IsCancellationRequested)
{
UIServices.ShowMessageBox("The Copy process was aborted.", String.Empty, Buttons.OK, Icon.Warning);
return(true);
}
String path = IOServices.Path.Combine(fileInfo.TargetFolder.FullName, fileInfo.SourceFile.Name);
IFileInfo targetFileInfo = IOServices.GetFileInfo(path);
Result result = GetOverwriteResult(fileInfo, targetFileInfo);
if (result == Result.Cancel)
{
return(true);
}
else if (result == Result.No)
{
m_Size -= fileInfo.SourceFile.Length;
SizeChanged?.Invoke(this, EventArgs.Empty);
continue;
}
else if (result == Result.Yes)
{
try
{
if (IOServices.File.Exists(targetFileInfo.FullName))
{
IOServices.File.SetAttributes(targetFileInfo.FullName, System.IO.FileAttributes.Normal | System.IO.FileAttributes.Archive);
}
IOServices.File.Copy(fileInfo.SourceFile.FullName, targetFileInfo.FullName, true);
}
catch (Exception ex)
{
Int64 startTicks = DateTime.Now.Ticks;
if (UIServices.ShowMessageBox(ex.Message + "\nContinue?", "Continue?", Buttons.YesNo, Icon.Question) == Result.Yes)
{
Int64 endTicks = DateTime.Now.Ticks;
TimeSpan span = new TimeSpan(endTicks - startTicks);
CopyPaused?.Invoke(this, new EventArgs <TimeSpan>(span));
continue;
}
else
{
return(true);
}
}
ProgressValue += fileInfo.SourceFile.Length;
ProgressChanged?.Invoke(this, EventArgs.Empty);
}
}
return(false);
}