VBA Macro to Loop through all Excel files in a Folder

How to Loop through all Excel[.xls] files in a Folder using VBA
 Sub Loop_Through_Xls_Files()
    Dim SourcePath As String
    Dim SourceFolder As Object
    Dim SrcFile As String
    Dim My_WB As Object
    
    Dim MyXlFiles() As String
    Dim FSO As Object
    Dim K As Integer
    
    Application.DisplayAlerts = False
    K = 1

'To Select the Target Folder by Opening the File Dialogue Box
   Set Flder_Picker = Application.FileDialog(msoFileDialogFolderPicker)
   
   With Flder_Picker
      .Title = "Select A Target Folder"
      .AllowMultiSelect = False
        If .Show <> -1 Then Exit Sub 'Exit if we don't select a Folder
        MyPath = .SelectedItems(1) & "\"
    End With
  
  MsgBox MyPath

'Loop through each Excel File in the Target Folder and Storing in an Array
    Set FSO = CreateObject("Scripting.FileSystemObject")
    
    SourcePath = MyPath 
    Set SourceFolder = FSO.GetFolder(SourcePath)
          
    For Each File In SourceFolder.Files
    If InStr(File.Name, ".xls") Then
    
    ReDim Preserve MyXlFiles(K)
    MyXlFiles(K) = File.Name

    K = K + 1
    
    End If
    Next File
    
'Loop through specific Excel Files , Opening , Performing an Operation and Closing, from the SourcePath
    SrcFile = Dir(SourcePath & "SQL*.xls")
       
    Do While SrcFile <> ""               
        Set My_WB = Workbooks.Open(SourcePath & SrcFile, UpdateLinks:=False, ReadOnly:=True, Editable:=True)
         ' Your Macro operation here        
        MsgBox SrcFile 'My_WB.Name
        My_WB.Close
           
        SrcFile = Dir() 'Allows to Go to Next File in a Directory
    Loop
 End Sub

Thanks, TAMATAM