private void ScanChildren(FsItem item, string parentPath, CancellationToken run)
{
if (run.IsCancellationRequested)
{
return;
}
var scanObject = parentPath + item.Name;
if (scanObject[scanObject.Length - 1] != Path.DirectorySeparatorChar)
{
scanObject += Path.DirectorySeparatorChar;
}
CurrentScanned = scanObject;
item.Items = _scanner.Scan(scanObject, ref _total);
if (item.Items == null)
{
_problematic.Add(scanObject);
return; //Access to directory denied
}
for (var i = item.Items.Count - 1; i >= 0; i--)
{
var child = item.Items[i];
if (child.IsDir)
{
ScanChildren(child, scanObject, run);
}
item.Size += child.Size;
}
}
private void LoadChartDataCollection(int dataLevel, FsItem dataPoint, long precedingObjectSize)
{
Series ser;
if (!TryGetDataSeries(dataLevel, dataPoint, out ser)) return;
if (precedingObjectSize > 0)
{
var delta = precedingObjectSize - _totals[ser];
if (delta > 0)
{
AddOrExtendPlaceHolder(delta, ser);
}
}
foreach (var point in dataPoint.Items)
{
if (point.Size > _filterThreshold)
{
AddPoint(ser, point.Size, point);
}
else
{
AddOrExtendPlaceHolder(point.Size, ser);
}
if (point.Items != null && point.Items.Count > 0)
{
LoadChartDataCollection(dataLevel + 1, point, precedingObjectSize);
}
precedingObjectSize += point.Size;
}
LoadChartDataCollection(dataLevel + 1, Empty, precedingObjectSize);
}
public static string FsItem(FsItem source)
{
if (source.IsDir && source.Items == null)
{
return "<Access Denied>";
}
return source.Size == 0 ? "<Empty>" : Size(source.Size);
}
public static string FsItem(FsItem source)
{
if (source.IsDir && source.Items == null)
{
return("<Access Denied>");
}
return(source.Size == 0 ? "<Empty>" : Size(source.Size));
}
private FsItem ScanUnitInternal(string location, bool useAllocationSize, CancellationToken run)
{
_total = 0;
_problematic.Clear();
CurrentTarget = location;
var root = new FsItem(location, 0, true);
_scanner = new DirectoryScanner(useAllocationSize);
ScanChildren(root, run);
return(root);
}
private void ScanChildren(FsItem item, string parentPath)
{
var pp = parentPath + item.Name + "\\";
item.Items = DirectoryScanner.Scan(pp, ref _total);
if (item.Items == null)
{
_problematic.Add(pp);
return; //Access to directory denied
}
for (var i = item.Items.Count - 1; i >= (parentPath == null ? 0 : 2); i--)
{
var child = item.Items[i];
if (child.IsDir) ScanChildren(child, pp);
item.Size += child.Size;
}
if (parentPath != null) //in case not drive root
item.Items.RemoveRange(0, 2); //removing "." & ".."
}
public FsItem Scan(string driveName) //C:
{
_total = 0;
_problematic.Clear();
CurrentTarget = driveName;
var drive = new DriveInfo(driveName);
_occupied = drive.TotalSize - drive.TotalFreeSpace;
var root = new FsItem(driveName, 0, true);
ScanChildren(root, null);
root.Items.InsertRange(0, new[]
{
new FsItem("[Free space]", drive.TotalFreeSpace, false),
new FsItem("[Inaccessible]", Math.Max(0, _occupied - _total), false)
});
return root;
}
private void ScanChildren(FsItem item, CancellationToken run) => ScanChildren(item, null, run);
private bool TryGetDataSeries(int dataLevel, FsItem dataPoint, out Series ser)
{
if (chart1.ChartAreas.Count == dataLevel)
{
if (dataPoint == Empty)
{
ser = null;
return false;
}
//create chart area and series
var ca = new ChartArea("chartAreaLevel" + dataLevel)
{
Position =
{
Auto = false,
X = 0,
Y = 0,
Height = 100,
Width = 100
}
};
if (dataLevel > 0)
{
ca.BackColor = Color.Transparent;
}
chart1.ChartAreas.Add(ca);
ser = new Series("seriesLevel" + dataLevel)
{
ChartArea = ca.Name,
ChartType = SeriesChartType.Doughnut,
IsXValueIndexed = true
};
chart1.Series.Add(ser);
_totals.Add(ser, 0);
}
else
{
ser = chart1.Series[dataLevel];
}
return true;
}
