using System.Windows.Forms; bool b = 5 > 4; MessageBox.Show(b.ToString()); //true
bool b = default(bool); MessageBox.Show(b.ToString()); //false
bool b = 5 < 4; if (!b) MessageBox.Show(b.ToString()); //false
bool[] arr = new bool[5]; bool[] arr = new bool[]{true,false,true};