C#

public void ExeQueryCmdArray(NewDBClass.DbName dbName, String[] sQuery) 		
{
	this.dbNameCache = dbName;
	this.DbInstance(dbName);
	OleDbCommand cmdCommon1	;
	OleDbCommand cmdCommon2	;
	OleDbCommand cmdCommon3	;
	try
	{
		this.conOleDb.Open();
		this.transOleDb = this.conOleDb.BeginTransaction();
		switch (sQuery.Length)
		{
			case 2:
			cmdCommon1 = new OleDbCommand(sQuery[0],conOleDb,transOleDb);
			cmdCommon2 = new OleDbCommand(sQuery[1],conOleDb,transOleDb);
			cmdCommon1.ExecuteNonQuery();
			cmdCommon2.ExecuteNonQuery();
			break;
			case 3:
			cmdCommon1 = new OleDbCommand(sQuery[0],conOleDb,transOleDb);
			cmdCommon2 = new OleDbCommand(sQuery[1],conOleDb,transOleDb);
			cmdCommon3 = new OleDbCommand(sQuery[2],conOleDb,transOleDb);
			cmdCommon1.ExecuteNonQuery();
			cmdCommon2.ExecuteNonQuery();
			cmdCommon3.ExecuteNonQuery();
			break;
		}

		this.transOleDb.Commit();
	}
	catch(System.Data.OleDb.OleDbException oe)
	{
		ExceptionClass.PrintException(oe.Message);
		this.transOleDb.Rollback();
	}
	catch(System.Exception e)
	{
		ExceptionClass.PrintException(e.Message);
		this.transOleDb.Rollback();
	}
	finally
	{
		this.conOleDb.Close();
	}
}

Byte[,] btData=surfaceBack.Lock(LockFlags.SurfaceMemoryPointer|LockFlags.Wait);
for(int x=0; x<100; x++)
{
  for (int y=0; y<100; y++)
  {
    btData[x,y]=(byte)x;
  }
}
srfBack.Unlock(btData);

An unhandled exception of type 'System.ArgumentException' occurred in system.drawing.dll<br />
<br />
Additional information: The argument 'picture' must be a picture that can be used as a Icon.<br />

Error generating Win32 resource: Error reading icon 'E:\Programming\Icons Plus\Icons Plus\bin\Debug\myIcon2.ico' -- The data is invalid. <br />

private static XmlDocument document;
....
/* load data from file*/
public void Flush() {
  XmlTextWriter writer = new XmlTextWriter("file.xml",System.Text.Encoding.UTF8);
  writer.Formatting = Formatting.Indented;
  document.WriteTo( writer );
  writer.Flush();
  writer.Close();
}

Form1 MainForm     = new Form1();
HijaDrcha RightWindow  = new HijaDrcha(); // HijaDrcha it's just another windows form
MainForm.Controls.Add(RightWindow);
Application.Run(MainForm);