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Imports System
Namespace Hello
Class HelloWorld
Overloads Shared Sub Main(ByVal args() As
String)
Dim name As String = "VB.NET"
If args.Length = 1 Then
name = args(0)
Console.WriteLine("Hello, " & name & "!")
End Sub
End Class
End Namespace
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using System;
namespace Hello {
public class HelloWorld {
public static void Main(string[]
args) {
string name = "C#";
if (args.Length == 1)
name = args[0];
Console.WriteLine("Hello, " + name
+ "!");
}
}
}
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Boolean
Byte, SByte
Char
Short, UShort, Integer, UInteger, Long, ULong
Single, Double
Decimal
Date
Object
String
Dim correct As Boolean = True
Dim b As Byte = &H2A
Dim person As Object = Nothing
Dim name As String = "Dwight"
Dim grade As Char = "B"c
Dim today As Date = #12/31/2010 12:15:00 PM#
Dim amount As Decimal = 35.99@
Dim gpa As Single = 2.9!
Dim pi As Double = 3.14159265
Dim lTotal As Long = 123456L
Dim sTotal As Short = 123S
Dim usTotal As UShort = 123US
Dim uiTotal As UInteger = 123UI
Dim ulTotal As ULong = 123UL
Dim s = "Hello!"
Dim nums = New Integer() {1, 2, 3}
Dim hero = New SuperHero With {.Name = "Batman"}
Dim x As Integer
Console.WriteLine(x.GetType())
Console.WriteLine(GetType(Integer))
Console.WriteLine(TypeName(x))
Dim c as New Circle
If TypeOf c Is Shape Then _
Console.WriteLine("c is a Shape")
Dim d As Single = 3.5
Dim i As Integer = CType(d, Integer)
i = CInt(d)
i = Int(d)
Dim o As Object = 2
i = DirectCast(o, Integer)
Dim s As New Shape
Dim c As Circle = TryCast(s, Circle)
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bool
byte, sbyte
char
short, ushort, int, uint, long, ulong
float, double
decimal
DateTime
object
string
bool correct = true;
byte b = 0x2A;
object person = null;
string name = "Dwight";
char grade = 'B';
DateTime today = DateTime.Parse("12/31/2010 12:15:00 PM");
decimal amount = 35.99m;
float gpa = 2.9f;
double pi = 3.14159265;
long lTotal = 123456L;
short sTotal = 123;
ushort usTotal = 123;
uint uiTotal = 123;
ulong ulTotal = 123;
var s = "Hello!";
var nums = new int[] { 1, 2, 3 };
var hero = new SuperHero() { Name = "Batman" };
int x;
Console.WriteLine(x.GetType());
Console.WriteLine(typeof(int));
Console.WriteLine(x.GetType().Name);
Circle c = new Circle();
if (c is Shape)
Console.WriteLine("c is a Shape");
float d = 3.5f;
i = Convert.ToInt32(d);
int i = (int)d;
object o = 2;
int i = (int)o;
Shape s = new Shape();
Circle c = s as Circle;
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Const MAX_STUDENTS As Integer
= 25
ReadOnly MIN_DIAMETER As Single = 4.93
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const int MAX_STUDENTS = 25;
readonly float MIN_DIAMETER = 4.93f;
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Enum Action
Start
[Stop]
Rewind
Forward
End Enum
Enum Status
Flunk = 50
Pass = 70
Excel = 90
End Enum
Dim a As Action = Action.Stop
If a <> Action.Start Then _
Console.WriteLine(a.ToString & " is " & a)
Console.WriteLine(Status.Pass)
Console.WriteLine(Status.Pass.ToString())
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enum Action {Start, Stop, Rewind, Forward};
enum Status {Flunk = 50, Pass = 70, Excel = 90};
Action a = Action.Stop;
if (a != Action.Start)
Console.WriteLine(a + " is " + (int) a);
Console.WriteLine((int) Status.Pass);
Console.WriteLine(Status.Pass); |
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= < > <= >= <>
+ - * /
Mod
\
^
= += -= *= /= \= ^= <<=
>>= &=
And Or Xor Not << >>
AndAlso OrElse And Or Xor Not
Note: AndAlso and OrElse perform short-circuit logical
evaluations
&
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== < > <= >= !=
+ - * /
%
/
Math.Pow(x, y)
= += -= *= /= %= &= |=
^= <<= >>= ++ --
& | ^ ~ << >>
&& || & | ^ !
Note: && and || perform short-circuit logical
evaluations
+
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greeting = If(age < 20, "What's up?", "Hello")
If age < 20 Then greeting =
"What's up?"
If age < 20 Then greeting =
"What's up?" Else greeting = "Hello"
If x <> 100 AndAlso y < 5 Then x *= 5
: y *= 2
If x <> 100 AndAlso y < 5 Then
x *= 5
y *= 2
End If
If whenYouHaveAReally < longLine And
itNeedsToBeBrokenInto2 > Lines Then _
UseTheUnderscore(charToBreakItUp)
If x > 5 Then
x *= y
ElseIf x = 5 OrElse y Mod 2 = 0 Then
x += y
ElseIf x < 10 Then
x -= y
Else
x /= y
End If
Select Case color
Case "pink", "red"
r += 1
Case "blue"
b += 1
Case "green"
g += 1
Case Else
other += 1
End Select
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greeting = age < 20 ? "What's up?" : "Hello";
if (age < 20)
greeting = "What's up?";
else
greeting = "Hello";
if (x != 100 && y < 5) {
x *= 5;
y *= 2;
}
if (x > 5)
x *= y;
else if (x == 5 || y % 2 == 0)
x += y;
else if (x < 10)
x -= y;
else
x /= y;
switch (color) {
// Must be integer or string
case "pink":
case "red": r++;
break;
case "blue": b++; break;
case "green": g++; break;
default:
other++; break;
}
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While c < 10
c += 1
End While
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Do Until c = 10
c += 1
Loop
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Do While c < 10
c += 1
Loop
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For c = 2 To 10 Step 2
Console.WriteLine(c)
Next
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Do
c += 1
Loop While c < 10
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Do
c += 1
Loop Until c = 10
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Dim names As String() = {"Fred", "Sue", "Barney"}
For Each s As String In names
Console.WriteLine(s)
Next
Dim i As Integer = 0
While (True)
If (i = 5) Then Exit While
i += 1
End While
For i = 0 To 4
If i < 4 Then Continue For
Console.WriteLine(i)
Next
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while (c < 10)
c++;
for (c = 2; c <= 10; c += 2)
Console.WriteLine(c);
do
c++;
while (c < 10);
string[] names = {"Fred", "Sue", "Barney"};
foreach (string s in names)
Console.WriteLine(s);
int i = 0;
while (true) {
if (i == 5)
break;
i++;
}
for (i = 0; i <= 4; i++) {
if (i < 4)
continue;
Console.WriteLine(i);
}
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Dim nums() As Integer = {1, 2, 3}
For i As Integer = 0 To nums.Length - 1
Console.WriteLine(nums(i))
Next
Dim names(4) As String
names(0) = "David"
names(5) = "Bobby"
ReDim Preserve names(6)
Dim twoD(rows-1, cols-1) As Single
twoD(2, 0) = 4.5
Dim jagged()() As Integer = { _
New Integer(4) {}, New Integer(1) {}, New Integer(2) {} }
jagged(0)(4) = 5
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int[] nums = {1, 2, 3};
for (int i = 0; i < nums.Length; i++)
Console.WriteLine(nums[i]);
string[] names = new string[5];
names[0] = "David";
names[5] = "Bobby";
Array.Resize(ref names, 7);
float[,] twoD = new float[rows, cols];
twoD[2,0] = 4.5f;
int[][] jagged = new int[3][] {
new int[5], new int[2], new int[3] };
jagged[0][4] = 5;
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Sub TestFunc(ByVal x As Integer, ByRef
y As Integer, ByRef z As Integer)
x += 1
y += 1
z = 5
End Sub
Dim a = 1, b = 1, c As Integer
TestFunc(a, b, c)
Console.WriteLine("{0} {1} {2}", a, b, c)
Function Sum(ByVal ParamArray nums As Integer())
As Integer
Sum = 0
For Each i As Integer In nums
Sum += i
Next
End Function
Dim total As Integer = Sum(4, 3, 2, 1)
Sub SayHello(ByVal name As String, Optional ByVal
prefix As String = "")
Console.WriteLine("Greetings, " & prefix & " " & name)
End Sub
SayHello("Strangelove", "Dr.")
SayHello("Mom")
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void TestFunc(int x, ref int y, out int z) {
x++;
y++;
z = 5;
}
int a = 1, b = 1, c; // c doesn't need initializing
TestFunc(a, ref b, out c);
Console.WriteLine("{0} {1} {2}", a, b, c);
int Sum(params int[] nums) {
int sum = 0;
foreach (int i in nums)
sum += i;
return sum;
}
int total = Sum(4, 3, 2, 1); // returns 10
void SayHello(string name, string prefix = "") {
Console.WriteLine("Greetings, " + prefix + " " + name);
}
SayHello("Strangelove", "Dr.");
SayHello("Mom");
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vbCrLf, vbCr, vbLf, vbNewLine
vbNullString
vbTab
vbBack
vbFormFeed
vbVerticalTab
""
Dim school As String = "Harding" & vbTab
school = school & "University"
Dim letter As Char = school.Chars(0)
letter = "Z"c
letter =
Convert.ToChar(65)
letter = Chr(65) Dim word() As Char = school.ToCharArray()
Dim msg As String = "File is c:\temp\x.dat"
Dim mascot As String = "Bisons"
If (mascot = "Bisons") Then
If (mascot.Equals("Bisons")) Then
If (mascot.ToUpper().Equals("BISONS")) Then
If (mascot.CompareTo("Bisons") = 0) Then
If ("John 3:16" Like "Jo[Hh]? #:*") Then
s = mascot.Substring(2, 3))
s = mascot.Replace("sons", "nomial"))
Dim names As String = "Michael,Dwight,Jim,Pam"
Dim parts() As String = names.Split(",".ToCharArray())
Dim dt As New DateTime(1973, 10, 12)
Dim s As String = "My birthday: " & dt.ToString("MMM dd, yyyy")
Dim x As Integer = 2
Dim y As String = x.ToString()
Dim x As Integer = Convert.ToInt32("-5")
Dim buffer As New System.Text.StringBuilder("two ")
buffer.Append("three ")
buffer.Insert(0, "one ")
buffer.Replace("two", "TWO")
Console.WriteLine(buffer)
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\r
\n
\t
\\
\"
string school = "Harding\t";
school = school + "University";
char letter = school[0];
letter = 'Z';
letter = Convert.ToChar(65);
letter = (char)65;
char[] word = school.ToCharArray();
string msg = @"File is c:\temp\x.dat";
string msg = "File is c:\\temp\\x.dat";
string mascot = "Bisons";
if (mascot == "Bisons")
if (mascot.Equals("Bisons"))
if (mascot.ToUpper().Equals("BISONS"))
if (mascot.CompareTo("Bisons") == 0)
s = mascot.Substring(2, 3))
s = mascot.Replace("sons", "nomial"))
string names = "Michael,Dwight,Jim,Pam";
string[] parts = names.Split(",".ToCharArray());
DateTime dt = new DateTime(1973, 10, 12);
string s = dt.ToString("MMM dd, yyyy");
int x = 2;
string y = x.ToString();
int x = Convert.ToInt32("-5");
System.Text.StringBuilder buffer = new System.Text.StringBuilder("two
");
buffer.Append("three ");
buffer.Insert(0, "one ");
buffer.Replace("two", "TWO");
Console.WriteLine(buffer);
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Imports System.Text.RegularExpressions
Dim r As New Regex("j[aeiou]h?. \d:*", RegexOptions.IgnoreCase Or _
RegexOptions.Compiled)
If (r.Match("John 3:16").Success) Then
Console.WriteLine("Match")
End If
Dim s As String = "My number is 305-1881, not 305-1818."
Dim r As New Regex("(\d+-\d+)")
Dim m As Match = r.Match(s)
While m.Success
Console.WriteLine("Found number: " & m.Groups(1).Value & " at position " _
& m.Groups(1).Index.ToString)
m = m.NextMatch()
End While
Dim r As New Regex("(\d\d):(\d\d) (am|pm)")
Dim m As Match = r.Match("We left at 03:15 pm.")
If m.Success Then
Console.WriteLine("Hour: " & m.Groups(1).ToString)
Console.WriteLine("Min: " & m.Groups(2).ToString)
Console.WriteLine("Ending: " & m.Groups(3).ToString)
End If
Dim r As New Regex("h\w+?d", RegexOptions.IgnoreCase)
Dim s As String = r.Replace("I heard this was HARD!", "easy")
Dim s As String = Regex.Replace("123 < 456", "(\d+) . (\d+)", "$2 > $1")
Dim names As String = "Michael, Dwight, Jim, Pam"
Dim r As New Regex(",\s*")
Dim parts() As String = r.Split(names)
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using System.Text.RegularExpressions;
Regex r = new Regex(@"j[aeiou]h?. \d:*", RegexOptions.IgnoreCase |
RegexOptions.Compiled);
if (r.Match("John 3:16").Success)
Console.WriteLine("Match");
string s = "My number is 305-1881, not 305-1818.";
Regex r = new Regex("(\\d+-\\d+)");
for (Match m = r.Match(s); m.Success; m = m.NextMatch())
Console.WriteLine("Found number: " + m.Groups[1] + " at position " +
m.Groups[1].Index);
Regex r = new Regex("@(\d\d):(\d\d) (am|pm)");
Match m = r.Match("We left at 03:15 pm.");
if (m.Success) {
Console.WriteLine("Hour: " + m.Groups[1]);
Console.WriteLine("Min: " + m.Groups[2]);
Console.WriteLine("Ending: " + m.Groups[3]);
}
Regex r = new Regex("h\\w+?d", RegexOptions.IgnoreCase);
string s = r.Replace("I heard this was HARD!", "easy"));
string s = Regex.Replace("123 < 456", @"(\d+) . (\d+)", "$2 > $1");
string names = "Michael, Dwight, Jim, Pam";
Regex r = new Regex(@",\s*");
string[] parts = r.Split(names);
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Dim ex As New Exception("Something is really wrong.")
Throw ex
Try
y = 0
x = 10 / y
Catch ex As Exception When y = 0
Console.WriteLine(ex.Message)
Finally
Beep()
End Try
On Error GoTo MyErrorHandler
...
MyErrorHandler: Console.WriteLine(Err.Description)
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Exception up = new Exception("Something is really wrong.");
throw up;
try {
y = 0;
x = 10 / y;
}
catch (Exception ex) {
Console.WriteLine(ex.Message);
}
finally {
Microsoft.VisualBasic.Interaction.Beep();
}
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Namespace Harding.Compsci.Graphics
...
End Namespace
Namespace Harding
Namespace Compsci
Namespace Graphics
...
End Namespace
End Namespace
End Namespace
Imports Harding.Compsci.Graphics
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namespace Harding.Compsci.Graphics {
...
}
namespace Harding {
namespace Compsci {
namespace Graphics {
...
}
}
}
using Harding.Compsci.Graphics;
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Public
Private
Friend
Protected
Protected Friend
MustInherit
NotInheritable
MustOverride
NotInheritable
Shared
Overridable
Module
Partial Class Competition
...
End Class
Class FootballGame
Inherits Competition
...
End Class
Interface IAlarmClock
Sub Ring()
Property TriggerDateTime() As DateTime
End Interface
Interface IAlarmClock
Inherits IClock
...
End Interface
Class WristWatch
Implements IAlarmClock, ITimer
Public Sub Ring() Implements IAlarmClock.Ring
Console.WriteLine("Wake up!")
End Sub
Public Property TriggerDateTime As DateTime Implements IAlarmClock.TriggerDateTime
...
End Class
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public
private
internal
protected
protected internal
abstract
sealed
static
abstract
sealed
static
virtual
partial class Competition {
...
}
class FootballGame : Competition {
...
}
interface IAlarmClock {
void Ring();
DateTime CurrentDateTime { get; set; }
}
interface IAlarmClock : IClock {
...
}
class WristWatch : IAlarmClock, ITimer {
public void Ring() {
Console.WriteLine("Wake up!");
}
public DateTime TriggerDateTime { get; set; }
...
}
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Class SuperHero
Private powerLevel As Integer
Public Sub New()
powerLevel = 0
End Sub
Public Sub New(ByVal powerLevel As Integer)
Me.powerLevel = powerLevel
End Sub
Shared Sub New()
End Sub
Protected Overrides Sub Finalize()
MyBase.Finalize()
End Sub
End Class
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class SuperHero {
private int powerLevel;
public SuperHero() {
powerLevel = 0;
}
public SuperHero(int powerLevel) {
this.powerLevel = powerLevel;
}
static SuperHero() {
}
~SuperHero() {
}
}
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Dim hero As SuperHero = New SuperHero
Dim hero As New SuperHero
With hero
.Name = "SpamMan"
.PowerLevel = 3
End With
hero.Defend("Laura Jones")
hero.Rest()
SuperHero.Rest()
Dim hero2 As SuperHero = hero
hero2.Name = "WormWoman"
Console.WriteLine(hero.Name)
hero = Nothing
If hero Is Nothing Then _
hero = New SuperHero
Dim obj As Object = New SuperHero
If TypeOf obj Is SuperHero Then _
Console.WriteLine("Is a SuperHero object.")
Using reader As StreamReader = File.OpenText("test.txt")
Dim line As String = reader.ReadLine()
While Not line Is Nothing
Console.WriteLine(line)
line = reader.ReadLine()
End While
End Using
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SuperHero hero = new SuperHero();
SuperHero hero = new SuperHero() { Name = "SpamMan", PowerLevel = 3 };
hero.Defend("Laura Jones");
SuperHero.Rest();
SuperHero hero2 = hero;
hero2.Name = "WormWoman";
Console.WriteLine(hero.Name);
hero = null ;
if (hero == null)
hero = new SuperHero();
Object obj = new SuperHero();
if (obj is SuperHero)
Console.WriteLine("Is a SuperHero object.");
using (StreamReader reader = File.OpenText("test.txt")) {
string line;
while ((line = reader.ReadLine()) != null)
Console.WriteLine(line);
}
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Structure Student
Public name As String
Public gpa As Single
Public Sub New(ByVal name As String, ByVal gpa As Single)
Me.name = name
Me.gpa = gpa
End Sub
End Structure
Dim stu As Student = New Student("Bob", 3.5)
Dim stu2 As Student = stu
stu2.name = "Sue"
Console.WriteLine(stu.name)
Console.WriteLine(stu2.name)
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struct Student {
public string name;
public float gpa;
public Student(string name, float gpa) {
this.name = name;
this.gpa = gpa;
}
}
Student stu = new Student("Bob", 3.5f);
Student stu2 = stu;
stu2.name = "Sue";
Console.WriteLine(stu.name);
Console.WriteLine(stu2.name);
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Public Property Name As String
Public Property Size As Integer = -1
Private mName As String
Public Property Name() As String
Get
Return mName
End Get
Set(ByVal value As String)
mName = value
End Set
End Property
Private mPowerLevel As Integer
Public ReadOnly Property PowerLevel() As Integer
Get
Return mPowerLevel
End Get
End Property
Private mHeight As Double
Public WriteOnly Property Height() As Double
Set(ByVal value As Double)
mHeight = If(value < 0, mHeight = 0, mHeight = value)
End Set
End Property
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public string Name { get; set; }
public int Size { get; protected set; }
private string name;
public string Name {
get {
return name;
}
set {
name = value;
}
}
private int powerLevel;
public int PowerLevel {
get {
return powerLevel;
}
}
private double height;
public double Height {
set {
height = value < 0 ? 0 : value;
}
}
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Delegate Sub MsgArrivedEventHandler(ByVal message As String)
Event MsgArrivedEvent As MsgArrivedEventHandler
Event MsgArrivedEvent(ByVal message As String)
AddHandler MsgArrivedEvent, AddressOf My_MsgArrivedCallback
RaiseEvent MsgArrivedEvent("Test message")
RemoveHandler MsgArrivedEvent, AddressOf My_MsgArrivedCallback
Imports System.Windows.Forms
Dim WithEvents MyButton As Button
MyButton = New Button
Private Sub MyButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles MyButton.Click
MessageBox.Show(Me, "Button was clicked", "Info", _
MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
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delegate void MsgArrivedEventHandler(string message);
event MsgArrivedEventHandler MsgArrivedEvent;
MsgArrivedEvent += new
MsgArrivedEventHandler(My_MsgArrivedEventCallback);
MsgArrivedEvent("Test message");
MsgArrivedEvent -= new
MsgArrivedEventHandler(My_MsgArrivedEventCallback);
using System.Windows.Forms;
Button MyButton = new Button();
MyButton.Click += new System.EventHandler(MyButton_Click);
private void MyButton_Click(object sender, System.EventArgs e) {
MessageBox.Show(this, "Button was clicked", "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
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Dim numbers As New List(Of Integer)
numbers.Add(2)
numbers.Add(4)
DisplayList(Of Integer)(numbers)
Sub DisplayList(Of T)(ByVal list As List(Of T))
For Each item As T In list
Console.WriteLine(item)
Next
End Sub
Class SillyList(Of T)
Private list(10) As T
Private rand As New Random
Public Sub Add(ByVal item As T)
list(rand.Next(10)) = item
End Sub
Public Function GetItem() As T
Return list(rand.Next(10))
End Function
End Class
Function Maximum(Of T As IComparable)(ByVal ParamArray items As T()) As T
Dim max As T = items(0)
For Each item As T In items
If item.CompareTo(max) > 0 Then max = item
Next
Return max
End Function
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List<int> numbers = new List<int>();
numbers.Add(2);
numbers.Add(4);
DisplayList<int>(numbers);
void DisplayList<T>(List<T> list) {
foreach (T item in list)
Console.WriteLine(item);
}
class SillyList<T> {
private T[] list = new T[10];
private Random rand = new Random();
public void Add(T item) {
list[rand.Next(10)] = item;
}
public T GetItem() {
return list[rand.Next(10)];
}
}
T Maximum<T>(params T[] items) where T : IComparable<T> {
T max = items[0];
foreach (T item in items)
if (item.CompareTo(max) > 0)
max = item;
return max;
}
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Dim nums() As Integer = {5, 8, 2, 1, 6}
Dim results = From value In nums
Where value > 4
Select value
Console.WriteLine(results.Count())
Console.WriteLine(results.First())
Console.WriteLine(results.Last())
Console.WriteLine(results.Average())
For Each n As Integer In results
Console.Write(n & " ")
Next
results = results.Intersect({5, 6, 7})
results = results.Concat({5, 1, 5})
results = results.Distinct()
Dim Students() As Student = {
New Student With {.Name = "Bob", .GPA = 3.5},
New Student With {.Name = "Sue", .GPA = 4.0},
New Student With {.Name = "Joe", .GPA = 1.9}
}
Dim goodStudents = From s In Students
Where s.GPA >= 3.0
Order By s.GPA Descending
Select s
Console.WriteLine(goodStudents.First.Name)
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int[] nums = { 5, 8, 2, 1, 6 };
var results = from value in nums
where value > 4
select value;
Console.WriteLine(results.Count());
Console.WriteLine(results.First());
Console.WriteLine(results.Last());
Console.WriteLine(results.Average());
foreach (int n in results)
Console.Write(n + " ");
results = results.Intersect(new[] {5, 6, 7});
results = results.Concat(new[] {5, 1, 5});
results = results.Distinct();
Student[] Students = {
new Student{ Name = "Bob", GPA = 3.5 },
new Student{ Name = "Sue", GPA = 4.0 },
new Student{ Name = "Joe", GPA = 1.9 }
};
var goodStudents = from s in Students
where s.GPA >= 3.0
orderby s.GPA descending
select s;
Console.WriteLine(goodStudents.First().Name);
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Console.Write("What's your name? ")
Dim name As String = Console.ReadLine()
Console.Write("How old are you? ")
Dim age As Integer = Val(Console.ReadLine())
Console.WriteLine("{0} is {1} years old.", name, age)
Console.WriteLine(name & " is " & age & " years old.")
Dim c As Integer
c = Console.Read()
Console.WriteLine(c)
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Console.Write("What's your name? ");
string name = Console.ReadLine();
Console.Write("How old are you? ");
int age = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("{0} is {1} years old.", name, age);
Console.WriteLine(name + " is " + age + " years old.");
int c = Console.Read();
Console.WriteLine(c);
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|
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Imports System.IO
Dim writer As StreamWriter = File.CreateText("c:\myfile.txt")
writer.WriteLine("Out to file.")
writer.Close()
Dim reader As StreamReader = File.OpenText("c:\myfile.txt")
Dim line As String = reader.ReadLine()
While Not line Is Nothing
Console.WriteLine(line)
line = reader.ReadLine()
End While
reader.Close()
Dim str As String = "Text data"
Dim num As Integer = 123
Dim binWriter As New BinaryWriter(File.OpenWrite("c:\myfile.dat"))
binWriter.Write(str)
binWriter.Write(num)
binWriter.Close()
Dim binReader As New BinaryReader(File.OpenRead("c:\myfile.dat"))
str = binReader.ReadString()
num = binReader.ReadInt32()
binReader.Close()
|
using System.IO;
StreamWriter writer = File.CreateText("c:\\myfile.txt");
writer.WriteLine("Out to file.");
writer.Close();
StreamReader reader = File.OpenText("c:\\myfile.txt");
string line = reader.ReadLine();
while (line != null) {
Console.WriteLine(line);
line = reader.ReadLine();
}
reader.Close();
string str = "Text data";
int num = 123;
BinaryWriter binWriter = new
BinaryWriter(File.OpenWrite("c:\\myfile.dat"));
binWriter.Write(str);
binWriter.Write(num);
binWriter.Close();
BinaryReader binReader = new
BinaryReader(File.OpenRead("c:\\myfile.dat"));
str = binReader.ReadString();
num = binReader.ReadInt32();
binReader.Close(); |
17:52
sugexvai
