VBA調用API實現打開，關閉，移動指定的文件。

Public Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long

調用：

ShellExecute Me.hwnd, "open", "E:\aa.pdf", "", "", 1