private void ComputeHashCore(string[] paths, DataGridViewRow[] rows, int iHashType)
{
for (int i = 0; i < paths.Length; i++)
{
try {
byte[] buffer;
DataGridViewProgressBarCell cell = (DataGridViewProgressBarCell)rows[i].Cells[2];
using (FileHashStream stream = new FileHashStream(paths[i], ReportCallbackAsync, cell)) {
using (HashAlgorithm algorithm = CreateHashAlgorithm(iHashType)) {
buffer = algorithm.ComputeHash(stream);
}
if (stream.IsAborted)
{
cell.CalculatingStatus = HashCalcStatus.Aborted;
return;
}
}
StringBuilder builder = new StringBuilder(buffer.Length);
for (int j = 0; j < buffer.Length; j++)
{
builder.Append(buffer[j].ToString("X2"));
}
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], builder.ToString(), rows[i] });
}
catch {
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], VALUE_ERROR, rows[i] });
}
if (fCancellationPending)
{
return;
}
}
}
public void FinishProgress(DataGridViewProgressBarCell cell) {
if(cell.CalculatingStatus == HashCalcStatus.Calculating) {
cell.CalculatingStatus = HashCalcStatus.Finished;
}
cell.EndProgress();
lstCells.Remove(cell);
}
public void FinishProgress(DataGridViewProgressBarCell cell)
{
if (cell.CalculatingStatus == HashCalcStatus.Calculating)
{
cell.CalculatingStatus = HashCalcStatus.Finished;
}
cell.EndProgress();
lstCells.Remove(cell);
}
public FileHashStream(string path, ReportProgressCallback callbackCancelAsync, DataGridViewProgressBarCell cell)
{
fs = new FileStream(path, FileMode.Open, FileAccess.Read);
long length = fs.Length;
fEnoughSize = length > 0x200000L;
this.callbackCancelAsync = callbackCancelAsync;
this.cell = cell;
this.cell.FileSize = length;
}
public void InitializeProgress(DataGridViewProgressBarCell cell) {
if(cell.ColumnIndex != Index) {
throw new ArgumentException("cell is not contained in this column.");
}
if(!lstCells.Contains(cell)) {
cell.OldStyle = cell.Style.Clone();
cell.Value = VALUE_WAITING;
cell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
cell.Style.ForeColor = cell.Style.SelectionForeColor = SystemColors.GrayText;
cell.CalculatingStatus = HashCalcStatus.Calculating;
lstCells.Add(cell);
}
}
private void SetRowSync(string path, string strHash, DataGridViewRow row)
{
if (dgvHash.IsHandleCreated)
{
DataGridViewProgressBarCell cell = (DataGridViewProgressBarCell)row.Cells[2];
clmn3_Hash.FinishProgress(cell);
if (cell.CalculatingStatus == HashCalcStatus.Finished)
{
row.Cells[2].Value = strHash;
row.Cells[2].ToolTipText = strHash;
row.Cells[0].Style.BackColor = clrNew;
SetCellColorByHash(row, strHash);
}
}
}
public void InitializeProgress(DataGridViewProgressBarCell cell)
{
if (cell.ColumnIndex != Index)
{
throw new ArgumentException("cell is not contained in this column.");
}
if (!lstCells.Contains(cell))
{
cell.OldStyle = cell.Style.Clone();
cell.Value = VALUE_WAITING;
cell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
cell.Style.ForeColor = cell.Style.SelectionForeColor = SystemColors.GrayText;
cell.CalculatingStatus = HashCalcStatus.Calculating;
lstCells.Add(cell);
}
}
private bool ReportCellProgress(DataGridViewProgressBarCell cell)
{
cell.Progress(1);
return(false);
}
private bool ReportCallbackAsync(DataGridViewProgressBarCell cell)
{
Invoke(new ReportProgressCallback(ReportCellProgress), new object[] { cell });
return(fCancellationPending);
}
public FileHashStream(string path, ReportProgressCallback callbackCancelAsync, DataGridViewProgressBarCell cell)
{
fs = new FileStream(path, FileMode.Open, FileAccess.Read);
long length = fs.Length;
fEnoughSize = length > 0x200000L;
this.callbackCancelAsync = callbackCancelAsync;
this.cell = cell;
this.cell.FileSize = length;
}
private bool ReportCellProgress(DataGridViewProgressBarCell cell)
{
cell.Progress(1);
return false;
}
private bool ReportCallbackAsync(DataGridViewProgressBarCell cell)
{
Invoke(new ReportProgressCallback(ReportCellProgress), new object[] { cell });
return fCancellationPending;
}
