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VB.Net Tutorial/Development/Environment - История изменений
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http://www.vbex.ru/index.php?title=VB.Net_Tutorial/Development/Environment&diff=2887&oldid=prev
в 16:40, 26 мая 2010
2010-05-26T16:40:30Z
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Admin: 1 версия
2010-05-26T12:53:40Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Environment: MachineName, SystemDirectory, GetLogicalDrives, Version==<br />
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<br />
<br />
<source lang="vbnet">Namespace MyApp.Info<br />
Module Main<br />
Sub Main()<br />
Dim objHW As New MyApp.Info.Utilities<br />
objHW.DisplayData()<br />
End Sub<br />
End Module<br />
Public Class Utilities<br />
"Run the application<br />
Public Sub DisplayData()<br />
Console.WriteLine(Environment.MachineName)<br />
Console.WriteLine(Environment.SystemDirectory)<br />
Console.WriteLine(Environment.GetLogicalDrives())<br />
Console.WriteLine(Environment.Version.ToString())<br />
End Sub<br />
End Class<br />
End Namespace</source><br />
<pre class=codeResult>vbex<br />
C:\WINDOWS\system32<br />
System.String[]<br />
2.0.50727.42</pre><br />
<br />
==Environment.OSVersion==<br />
<br />
<br />
<br />
<source lang="vbnet">Imports System<br />
Public Class Step3<br />
Shared Sub Main()<br />
System.Console.WriteLine(System.Environment.OSVersion.ToString())<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>Microsoft Windows NT 5.1.2600 Service Pack 2</pre><br />
<br />
==Environment.TickCount==<br />
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<br />
<br />
<source lang="vbnet">Option Strict On<br />
Public Module TimerFunction<br />
Public Sub Main()<br />
Dim starttime, endtime As Integer<br />
starttime = Environment.TickCount<br />
For ctr As Integer = 0 to 10000000<br />
Next<br />
endtime = Environment.TickCount<br />
Console.WriteLine("Elapsed time is {0} milliseconds", endtime - starttime)<br />
End Sub<br />
End Module</source><br />
<pre class=codeResult>Elapsed time is 16 milliseconds</pre><br />
<br />
==Environment.UserName==<br />
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<br />
<br />
<source lang="vbnet">Public Class LoopPerformance<br />
Shared Sub Main()<br />
Console.WriteLine(System.Environment.UserName)<br />
<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>Joe</pre><br />
<br />
==Get the command line arguments using the Environment class==<br />
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<br />
<br />
<source lang="vbnet">Module Module1<br />
Sub Main(ByVal cmdArgs() As String)<br />
If Environment.GetCommandLineArgs.Length > 0 Then<br />
For Each strArg As String In Environment.GetCommandLineArgs<br />
"Process the arguments here.<br />
Console.WriteLine(strArg)<br />
Next strArg<br />
End If<br />
End Sub<br />
<br />
End Module</source><br />
<pre class=codeResult>main</pre><br />
<br />
==Sort Command line arguments==<br />
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<br />
<br />
<source lang="vbnet">Imports System.Collections<br />
Module modMain<br />
<br />
Sub Main()<br />
Dim oArgs As New ArrayList(Environment.GetCommandLineArgs())<br />
Dim I As Integer<br />
<br />
With oArgs<br />
.RemoveAt(0)<br />
.Sort()<br />
For I = 0 To .Count - 1<br />
Console.WriteLine(.Item(I))<br />
Next<br />
End With<br />
End Sub<br />
<br />
End Module</source></div>
Admin