using System; using System.Collections; public class SamplesBitArray { public static void Main() { // Creates and initializes several BitArrays. BitArray myBA1 = new BitArray( 5 ); BitArray myBA2 = new BitArray( 5, false ); byte[] myBytes = new byte[5] { 1, 2, 3, 4, 5 }; BitArray myBA3 = new BitArray( myBytes ); bool[] myBools = new bool[5] { true, false, true, true, false }; BitArray myBA4 = new BitArray( myBools ); int[] myInts = new int[5] { 6, 7, 8, 9, 10 }; BitArray myBA5 = new BitArray( myInts ); // Displays the properties and values of the BitArrays. Console.WriteLine( "myBA1" ); Console.WriteLine( " Count: {0}", myBA1.Count ); Console.WriteLine( " Length: {0}", myBA1.Length ); Console.WriteLine( " Values:" ); PrintValues( myBA1, 8 ); Console.WriteLine( "myBA2" ); Console.WriteLine( " Count: {0}", myBA2.Count ); Console.WriteLine( " Length: {0}", myBA2.Length ); Console.WriteLine( " Values:" ); PrintValues( myBA2, 8 ); Console.WriteLine( "myBA3" ); Console.WriteLine( " Count: {0}", myBA3.Count ); Console.WriteLine( " Length: {0}", myBA3.Length ); Console.WriteLine( " Values:" ); PrintValues( myBA3, 8 ); Console.WriteLine( "myBA4" ); Console.WriteLine( " Count: {0}", myBA4.Count ); Console.WriteLine( " Length: {0}", myBA4.Length ); Console.WriteLine( " Values:" ); PrintValues( myBA4, 8 ); Console.WriteLine( "myBA5" ); Console.WriteLine( " Count: {0}", myBA5.Count ); Console.WriteLine( " Length: {0}", myBA5.Length ); Console.WriteLine( " Values:" ); PrintValues( myBA5, 8 ); } public static void PrintValues( IEnumerable myList, int myWidth ) { int i = myWidth; foreach ( Object obj in myList ) { if ( i <= 0 ) { i = myWidth; Console.WriteLine(); } i--; Console.Write( "{0,8}", obj ); } Console.WriteLine(); } } /* This code produces the following output. myBA1 Count: 5 Length: 5 Values: False False False False False myBA2 Count: 5 Length: 5 Values: False False False False False myBA3 Count: 40 Length: 40 Values: True False False False False False False False False True False False False False False False True True False False False False False False False False True False False False False False True False True False False False False False myBA4 Count: 5 Length: 5 Values: True False True True False myBA5 Count: 160 Length: 160 Values: False True True False False False False False False False False False False False False False False False False False False False False False False False False False False False False False True True True False False False False False False False False False False False False False False False False False False False False False False False False False False False False False False False False True False False False False False False False False False False False False False False False False False False False False False False False False False False False False True False False True False False False False False False False False False False False False False False False False False False False False False False False False False False False False False True False True False False False False False False False False False False False False False False False False False False False False False False False False False False False False */ 一个int 是32 位的 ，i1byte 是 8位， int 是两个字节 ，4个byte