B4J Question Finding a Windows drive by label

B

Brian Dean

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Longtime User
Is there a way to retrieve the volume names (drive labels) on a Windows system?

Specifically, I want to discover if a specific USB stick is present by scanning for its name. I already know (through the forum) how to get a list of the drive letters available (C:\, D:\ etc) but I cannot find anything on volume names.

I think that it can be done using this java method ...
Java: 
FileSystemView.getFileSystemView().getSystemDisplayName (f)
... but I don't know how to write a javaObject to execute this.
 
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DonManfred

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Longtime User
Brian Dean said:
... but I don't know how to write a javaObject to execute this.
Click to expand...
start using the search; there are examples available which do get the 1st two of this (FileSystemView.getFileSystemView())

Find user documents folder

Sub FindUserDocumentsFolder As String If DetectOS = "windows" Then Dim jo As JavaObject Dim fs As JavaObject = jo.InitializeStatic("javax.swing.filechooser.FileSystemView").RunMethod("getFileSystemView", Null) Return fs.RunMethodJO("getDefaultDirectory"...
www.b4x.com
Add a call to get the SystemDisplayName

B4X: 
Sub FindDisplayName(f As String) As String
    If DetectOS = "windows" Then
        Dim jo As JavaObject
        Dim fs As JavaObject = jo.InitializeStatic("javax.swing.filechooser.FileSystemView").RunMethod("getFileSystemView", Null) ' known
        Dim fsfile As JavaObject = fs.RunMethod("createFileObject", Array(f))  ' new
        Return fs.RunMethod("getSystemDisplayName", Array(fsfile)) ' new
    Else
        Return ""
    End If
End Sub
B4X: 
    Log(FindDisplayName("E:\"))
results in
Entwicklung (E
Click to expand...
prove



Reference:
 
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