private void Serialize2Disk(string FileName, bool Overwrite)
{
int nItemsCount = this.Items.Count;
FileStream fs = null;
bool bFileError = false;
Cursor current = Cursor.Current;
this.Cursor = Cursors.WaitCursor;
if (nItemsCount >= 1)
{
DataLstView dlvItems = new DataLstView();
dlvItems.DataListViewItems = new ListViewItem[nItemsCount];
dlvItems.DataListViewTags = new object[nItemsCount];
this.Items.CopyTo(dlvItems.DataListViewItems, 0);
dlvItems.ColumnNames = new string[this.Columns.Count];
dlvItems.ColumnAlignment = new byte[this.Columns.Count];
dlvItems.ColumnWidth = new int[this.Columns.Count];
for (int nLoopCnt = 0; nLoopCnt < this.Columns.Count; nLoopCnt++)
{
dlvItems.ColumnNames[nLoopCnt] = this.Columns[nLoopCnt].Text;
dlvItems.ColumnAlignment[nLoopCnt] = (byte)this.Columns[nLoopCnt].TextAlign;
dlvItems.ColumnWidth[nLoopCnt] = (int)this.Columns[nLoopCnt].Width;
}
for (int nLoopCnt = 0; nLoopCnt < nItemsCount; nLoopCnt++)
{
ListViewItem lvi = (ListViewItem)this.Items[nLoopCnt];
dlvItems.DataListViewTags[nLoopCnt] = lvi.Tag;
}
try
{
if (Overwrite)
{
fs = new FileStream(FileName, FileMode.OpenOrCreate);
}
else
{
fs = new FileStream(FileName, FileMode.Create);
}
}
catch (ArgumentException)
{
bFileError = true;
throw;
}
catch (FileNotFoundException)
{
bFileError = true;
throw;
}
catch (IOException)
{
bFileError = true;
throw;
}
if (!bFileError)
{
try
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, dlvItems);
}
catch (SerializationException)
{
throw;
}
catch (Exception)
{
throw;
}
finally
{
fs.Close();
}
}
this.Cursor = current;
}
this.Cursor = current;
}
private void DeSerializeFrmDisk(string FileName)
{
FileStream fs = null;
DataLstView dlvItems = new DataLstView();
bool bFileError = false;
Cursor current = this.Cursor;
this.Cursor = Cursors.WaitCursor;
try
{
fs = new FileStream(FileName, FileMode.Open);
}
catch (ArgumentException)
{
bFileError = true;
throw;
}
catch (FileNotFoundException)
{
bFileError = true;
throw;
}
catch (IOException)
{
bFileError = true;
throw;
}
if (!bFileError)
{
this.BeginUpdate();
try
{
BinaryFormatter bf = new BinaryFormatter();
this.DataSource = null;
base.Columns.Clear();
this.mColumns.Clear();
this.Items.Clear();
dlvItems = (DataLstView)bf.Deserialize(fs);
if (dlvItems.ColumnNames.Length >= 1)
{
for (int nLoopCnt = 0; nLoopCnt < dlvItems.ColumnNames.Length; nLoopCnt++)
{
base.Columns.Add(dlvItems.ColumnNames[nLoopCnt], dlvItems.ColumnWidth[nLoopCnt], (HorizontalAlignment)dlvItems.ColumnAlignment[nLoopCnt]);
//base.Columns.Add(dlvItems.ColumnNames[nLoopCnt], -1, (HorizontalAlignment)dlvItems.ColumnAlignment[nLoopCnt]);
this.mColumns.Add(dlvItems.ColumnNames[nLoopCnt], dlvItems.ColumnWidth[nLoopCnt]);
}
}
base.Items.AddRange(dlvItems.DataListViewItems);
if (dlvItems.DataListViewTags.Length >= 1)
{
for (int nLoopCnt = 0; nLoopCnt < dlvItems.DataListViewTags.Length; nLoopCnt++)
{
ListViewItem lvi = this.Items[nLoopCnt];
lvi.Tag = dlvItems.DataListViewTags[nLoopCnt];
}
}
}
catch (SerializationException)
{
throw;
}
catch (Exception)
{
throw;
}
finally
{
fs.Close();
this.EndUpdate();
}
}
this.Cursor = current;
if (this.Items.Count >= 1)
{
this.ResizeColumns();
}
}