FolderItems3.Filter-Methode

Legt einen Wildcardfilter fest, der auf die zurückgegebenen Elemente angewendet werden soll.

Syntax

iRetVal = FolderItems3.Filter(
  grfFlags,
  bstrFilter
)

Parameter

grfFlags [in]

Typ: Integer

Dieser Parameter kann eines der in SHCONTF aufgeführten Flags sein.

bstrFilter [in]

Typ: BSTR

Eine Filterzeichenfolge, die angibt, was in der FolderItems-Auflistung aufgeführt werden soll.

Beispiele

Das folgende Beispiel zeigt die ordnungsgemäße Verwendung von Filter für JScript, VBScript und Visual Basic.

Jscript:

<script language="JScript">
    function fnFolderItems3FilterJ()
    {
        var objShell  = new ActiveXObject("shell.application");
        var objFolder;
        var ssfWINDOWS = 36;
        
        objFolder = objShell.NameSpace(ssfWINDOWS);
        if (objFolder != null)
        {
            var objFolderItems3;
            
            objFolderItems3 = objFolder.Items();
            if (objFolderItems3 != null)
            {
                var SHCONTF_NONFOLDERS = 64;
                
                alert(objFolderItems3.Count);
                objFolderItems3.Filter(SHCONTF_NONFOLDERS, "*.txt");
                alert(objFolderItems3.Count);
            }
        }
    }
</script>

Vbscript:

<script language="VBScript">
    function fnFolderItems3FilterVB()
        dim objShell
        
        set objShell = CreateObject("shell.application")
        if (not objShell is nothing) then
            dim objFolder
            dim ssfDRIVES
                
            ssfWINDOWS = 36
            set objFolder = objShell.NameSpace(ssfWINDOWS)
            if (not objFolder is nothing) then
                dim objFolderItems3
                        
                set objFolderItems3 = objFolder.Items()
                if (not objFolderItems3 is nothing) then
                    dim SHCONTF_NONFOLDERS
                
                    SHCONTF_NONFOLDERS = 64
                    alert(objFolderItems3.Count)
                    objFolderItems3.Filter SHCONTF_NONFOLDERS, "*.txt"
                    alert(objFolderItems3.Count)
                end if
                set objFolderItems3 = nothing
            end if
            set objFolder = nothing
        end if
        set objShell = nothing
    end function
</script>

Visual Basic:

Private Sub fnFolderItems3FilterVB()
    Dim objShell   As Shell
    Dim objFolder  As Folder
    Dim ssfWINDOWS As Long
    
    ssfWINDOWS = 36
    Set objShell = New Shell
    Set objFolder = objShell.NameSpace(ssfWINDOWS)
        If (Not objFolder Is Nothing) Then
            Dim objFolderItems3 As FolderItems3
            
            Set objFolderItems3 = objFolder.Items
                If (Not objFolderItems3 Is Nothing) Then
                    Dim SHCONTF_NONFOLDERS As Long
                    
                    SHCONTF_NONFOLDERS = 64
                    Debug.Print objFolderItems3.Count
                    objFolderItems3.Filter SHCONTF_NONFOLDERS, "*.exe"
                    Debug.Print objFolderItems3.Count
                End If
            Set objFolderItems3 = Nothing
        End If
    Set objFolder = Nothing
    Set objShell = Nothing
End Sub

Anforderungen

Anforderung	Wert
Unterstützte Mindestversion (Client)	Windows 2000 Professional [nur Desktop-Apps]
Unterstützte Mindestversion (Server)	Windows 2000 Server [nur Desktop-Apps]
Header	Shldisp.h
IDL	Shldisp.idl
DLL	Shell32.dll (Version 6.0 oder höher)

Siehe auch

FolderItems3

FolderItems2

FolderItem