C#
			==

MessageBox.Show("");
System.Windows.Forms.Form
System.Windows.Forms.Button
using AL=System			- AL is an alias for System namespace. Now use AL.xxx to call methods from System namespace.

int[] myVec = new int[10] {5, 6, 9};
foreach (int loopVar in myVec){...}

int[,,] myArr = new int[3, 4, 2];
				- Multi-dimensional array. The number of commas minus 1 is the number of the dimensions
				of the array

int[][] myArr;
myArr = new int[2][];
myArr[0] = new int[3];
myArr[1] = new int[4];
				- Vector of arrays

String myStr = "Just a string";
foreach (char ch in myStr){...}