public static string WriteDictionaryToXml(Dictionary <string, object> dictToWrite, string filename, bool append = false, bool savePreviousFileVersion = false)
{
FileInfo finfo = new FileInfo(filename);
if (!Directory.Exists(finfo.DirectoryName))
{
Directory.CreateDirectory(finfo.DirectoryName);
}
if (File.Exists(filename) && !append && savePreviousFileVersion)
{
string filename_cp = ServiceTools.NewNumberedFilenameThatDoesntExist(filename);
bool success = false;
int counter = 0;
while ((!success) && (counter <= 10))
{
try
{
File.Move(filename, filename_cp);
success = true;
}
catch (Exception ex)
{
success = false;
counter++;
Thread.Sleep(20);
}
}
if (!success)
{
filename = filename_cp;
}
}
DataSet dsToWrite = new DataSet("DataSet");
dsToWrite.Namespace = "NetFrameWork";
DataTable table = new DataTable("table");
DataColumn keyColumn = new DataColumn("key", Type.GetType("System.String"));
DataColumn valueColumn = new DataColumn("value");
table.Columns.Add(keyColumn);
table.Columns.Add(valueColumn);
dsToWrite.Tables.Add(table);
DataRow newRow;
if (append && File.Exists(filename))
{
Dictionary <string, object> tmpDict = new Dictionary <string, object>();
DataSet readingDataSet = new DataSet("DataSet");
readingDataSet.ReadXml(filename);
foreach (DataTable tmpTable in readingDataSet.Tables)
{
foreach (DataRow row in tmpTable.Rows)
{
tmpDict.Add(row[0] as string, row[1]);
}
}
readingDataSet.Dispose();
foreach (KeyValuePair <string, object> pair in tmpDict)
{
newRow = table.NewRow();
newRow["key"] = pair.Key;
newRow["value"] = pair.Value;
table.Rows.Add(newRow);
}
File.Delete(filename);
}
foreach (KeyValuePair <string, object> pair in dictToWrite)
{
newRow = table.NewRow();
newRow["key"] = pair.Key;
newRow["value"] = pair.Value;
table.Rows.Add(newRow);
}
dsToWrite.AcceptChanges();
bool sucess = false;
int tries = 0;
while ((!sucess) && (tries <= 10))
{
try
{
dsToWrite.WriteXml(filename);
sucess = true;
}
catch (Exception ex)
{
Thread.Sleep(20);
sucess = false;
tries++;
}
}
dsToWrite.Dispose();
return(filename);
}