private CopyProgressResult OnProgressChanged(double percent)
{
// only raise an event when progress has changed
CopyProgressResult result = CopyProgressResult.PROGRESS_CONTINUE;
if ((int)percent > FilePercentCompleted)
{
FilePercentCompleted = (int)percent;
var handler = ProgressChanged;
if (handler != null)
{
result = handler((int)FilePercentCompleted);
}
}
return(result);
}
private CopyProgressResult CopyProgressHandler(long total, long transferred, long streamSize, long streamByteTrans, uint dwStreamNumber,
CopyProgressCallbackReason reason, IntPtr hSourceFile, IntPtr hDestinationFile, IntPtr lpData)
{
CopyProgressResult result = CopyProgressResult.PROGRESS_CONTINUE;
if (reason == CopyProgressCallbackReason.CALLBACK_CHUNK_FINISHED)
{
result = OnProgressChanged((transferred / (double)total) * 100.0);
}
if (transferred >= total)
{
OnCompleted();
}
if (result == CopyProgressResult.PROGRESS_CANCEL)
{
IsCancelled = 1;
}
return(result);
}
