protected void InvokeCopyProgress(CopyProgressEventArgs e)
{
if (CopyProgress != null)
{
CopyProgress(this, e);
}
}
/// <summary>
/// The CopyProgressRoutine delegate is an application-defined callback function used with the CopyFileEx and MoveFileWithProgress functions.
/// It is called when a portion of a copy or move operation is completed.
/// </summary>
/// <param name="TotalFileSize">Total size of the file, in bytes.</param>
/// <param name="TotalBytesTransferred">Total number of bytes transferred from the source file to the destination file since the copy operation began.</param>
/// <param name="StreamSize">Total size of the current file stream, in bytes.</param>
/// <param name="StreamBytesTransferred">Total number of bytes in the current stream that have been transferred from the source file to the destination file since the copy operation began. </param>
/// <param name="dwStreamNumber">Handle to the current stream. The first time CopyProgressRoutine is called, the stream number is 1.</param>
/// <param name="dwCallbackReason">Reason that CopyProgressRoutine was called.</param>
/// <param name="hSourceFile">Handle to the source file.</param>
/// <param name="hDestinationFile">Handle to the destination file.</param>
/// <param name="lpData">Argument passed to CopyProgressRoutine by the CopyFileEx or MoveFileWithProgress function.</param>
/// <returns>A value indicating how to proceed with the copy operation.</returns>
protected uint CopyProgressCallback(
long TotalFileSize,
long TotalBytesTransferred,
long StreamSize,
long StreamBytesTransferred,
uint dwStreamNumber,
uint dwCallbackReason,
IntPtr hSourceFile,
IntPtr hDestinationFile,
IntPtr lpData)
{
switch (dwCallbackReason)
{
case CALLBACK_CHUNK_FINISHED:
// Another part of the file was copied.
CopyProgressEventArgs e = new CopyProgressEventArgs(TotalFileSize, TotalBytesTransferred);
InvokeCopyProgress(e);
return(e.Cancel ? PROGRESS_CANCEL : PROGRESS_CONTINUE);
case CALLBACK_STREAM_SWITCH:
// A new stream was created. We don't care about this one - just continue the move operation.
return(PROGRESS_CONTINUE);
default:
return(PROGRESS_CONTINUE);
}
}
protected void InvokeCopyProgress( CopyProgressEventArgs e )
{
if ( CopyProgress != null )
{
CopyProgress( this, e );
}
}
/// <summary>
/// The CopyProgressRoutine delegate is an application-defined callback function used with the CopyFileEx and MoveFileWithProgress functions.
/// It is called when a portion of a copy or move operation is completed.
/// </summary>
/// <param name="TotalFileSize">Total size of the file, in bytes.</param>
/// <param name="TotalBytesTransferred">Total number of bytes transferred from the source file to the destination file since the copy operation began.</param>
/// <param name="StreamSize">Total size of the current file stream, in bytes.</param>
/// <param name="StreamBytesTransferred">Total number of bytes in the current stream that have been transferred from the source file to the destination file since the copy operation began. </param>
/// <param name="dwStreamNumber">Handle to the current stream. The first time CopyProgressRoutine is called, the stream number is 1.</param>
/// <param name="dwCallbackReason">Reason that CopyProgressRoutine was called.</param>
/// <param name="hSourceFile">Handle to the source file.</param>
/// <param name="hDestinationFile">Handle to the destination file.</param>
/// <param name="lpData">Argument passed to CopyProgressRoutine by the CopyFileEx or MoveFileWithProgress function.</param>
/// <returns>A value indicating how to proceed with the copy operation.</returns>
protected uint CopyProgressCallback(
long TotalFileSize,
long TotalBytesTransferred,
long StreamSize,
long StreamBytesTransferred,
uint dwStreamNumber,
uint dwCallbackReason,
IntPtr hSourceFile,
IntPtr hDestinationFile,
IntPtr lpData)
{
switch ( dwCallbackReason )
{
case CALLBACK_CHUNK_FINISHED:
// Another part of the file was copied.
CopyProgressEventArgs e = new CopyProgressEventArgs( TotalFileSize, TotalBytesTransferred );
InvokeCopyProgress( e );
return e.Cancel ? PROGRESS_CANCEL : PROGRESS_CONTINUE;
case CALLBACK_STREAM_SWITCH:
// A new stream was created. We don't care about this one - just continue the move operation.
return PROGRESS_CONTINUE;
default:
return PROGRESS_CONTINUE;
}
}
