FolderItems3.Filter 方法

設定要套用至傳回專案的萬用字元篩選。

語法

iRetVal = FolderItems3.Filter(
  grfFlags,
  bstrFilter
)

參數

grfFlags [in]

類型： 整數

此參數可以是 SHCONTF中列出的其中一個旗標。

bstrFilter [in]

類型： BSTR

篩選字串，指定 FolderItems 集合中應該列出的專案。

範例

下列範例顯示適用于 JScript、VBScript 和 Visual Basic 之 Filter 的適當用法。

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

規格需求

需求	值
最低支援的用戶端	Windows 2000 專業版 [僅限傳統型應用程式]
最低支援的伺服器	Windows 2000 Server [僅限傳統型應用程式]
標頭	Shldisp.h
Idl	Shldisp.idl
DLL	Shell32.dll (6.0 版或更新版本)

另請參閱

FolderItems3

FolderItems2

FolderItem