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VB.Net Tutorial/Stream File/FileInfo - История изменений
2026-04-05T23:26:01Z
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в 16:40, 26 мая 2010
2010-05-26T16:40:30Z
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Admin: 1 версия
2010-05-26T12:56:16Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==FileInfo.IsReadOnly, FileAttributes.Hidden==<br />
<br />
<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine(fileDetail.IsReadOnly)<br />
Console.WriteLine(CBool(fileDetail.Attributes And IO.FileAttributes.Hidden))<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>False<br />
False</pre><br />
<br />
==Get File Attributes as a string==<br />
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<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo<br />
<br />
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine("Attributes: " & fileDetail.Attributes.ToString())<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>Attributes: Archive, NotContentIndexed</pre><br />
<br />
==Get file Creation Time, Last Access Time and Modified Time==<br />
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<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo<br />
<br />
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine("Created: " & fileDetail.CreationTime)<br />
Console.WriteLine("Accessed: " & fileDetail.LastAccessTime)<br />
Console.WriteLine("Modified: " & fileDetail.LastWriteTime)<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>Created: 11/05/2007 9:20:09 PM<br />
Accessed: 11/05/2007 9:26:39 PM<br />
Modified: 11/05/2007 9:26:04 PM</pre><br />
<br />
==Get file extension name==<br />
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<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo<br />
<br />
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine(fileDetail.Extension)<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>.txt</pre><br />
<br />
==Get file size==<br />
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<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo<br />
<br />
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine("Size: " & fileDetail.Length & " byte(s)")<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>Size: 343984 byte(s)</pre><br />
<br />
==My.Computer.FileSystem.GetFileInfo(""File Name"")==<br />
<br />
<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("test.txt")<br />
Console.WriteLine(fileDetail.IsReadOnly)<br />
Console.WriteLine(CBool(fileDetail.Attributes And IO.FileAttributes.Hidden))<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>False<br />
False</pre><br />
<br />
==Set file attributes: Hidden, ReadOnly==<br />
<br />
<br />
<br />
<source lang="vbnet">Public Class Tester<br />
Public Shared Sub Main<br />
<br />
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("yourfile.jpg")<br />
fileDetail.IsReadOnly = True<br />
fileDetail.Attributes = fileDetail.Attributes Or IO.FileAttributes.Hidden<br />
End Sub<br />
End Class</source></div>
Admin