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如没有现存的御消办法的话只能读取注册表,以txt文件为类:
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HKEY_CLASSES_ROOT\.txt '在这哗卜个地址有个默认属性值是:txtfile
HKEY_CLASSES_ROOT\txtfile\shell\open\command '这里的默认属性值txtfile的关联程序:%SystemRoot%\system32\NOTEPAD.EXE %1
我暂不了解vb点虐 读注册表函数(刚在学),以vbs为类:
Dim WshShell
Set WshShell = WScript.CreateObject("Wscript.Shell")
Dim Ext
ext= WshShell.RegRead 乱拆穗("HKEY_CLASSES_ROOT\.mp3\") '这里的扩展名.mp3可以改成其它的看看
MsgBox WshShell.RegRead ("HKEY_CLASSES_ROOT\" ext "\shell\open\command\")
以修郑困锋改“尺孝C:\abc.txt"喊晌为bat为例。
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Myfile As String
Myfile = IO.Path.ChangeExtension("C:\abc.txt", ".bat")
Microsoft.VisualBasic.FileSystem.Rename("C:\abc.txt", Myfile)
End Sub
End Class
Public Function GetTypeFilePath(ByVal mType As String)
激晌 mType = mType.Trim
If mType.Substring(0, 1) "." Then mType = "." mType
Dim Key As Microsoft.Win32.RegistryKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(mType)
Dim Result As String = ""
If Not Key Is Nothing Then
Dim SubKeyValue As Object
Dim Value As String
SubKeyValue = Key.GetValue("")
If Not SubKeyValue Is Nothing Then
Value = SubKeyValue.ToString
Dim SubKey As Microsoft.Win32.RegistryKey, ResultKey As Microsoft.Win32.RegistryKey
SubKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(Value)
If Not SubKey Is Nothing Then
ResultKey = SubKey.OpenSubKey("shell\open\command\", False)
蔽誉 If Not ResultKey Is Nothing Then
Result = ResultKey.GetValue("").ToString
End If
明并锋 End If
End If
End If
Return Result
End Function