以下之程序在计算时会扣除工作列所占的高度 (或宽度)，如果有启动 Microsoft Office 的快捷列的话，也会扣除快捷列所占的高度 (或宽度)。

Public Const SM_CXFULLSCREEN = 16
Public Const SM_CYFULLSCREEN = 17

#If Win32 Then
Declare Function GetSystemMetrics Lib "user32" (ByVal nIndex As Long) As Long
#Else
Declare Function GetSystemMetrics Lib "User" (ByVal nIndex As Integer) As Integer
#End If

Public Sub CenterForm(frm As Form)
frm.Left = Screen.TwipsPerPixelX * GetSystemMetrics(SM_CXFULLSCREEN) / 2 - frm.Width / 2
frm.Top = Screen.TwipsPerPixelY * GetSystemMetrics(SM_CYFULLSCREEN) / 2 - frm.Height / 2
End Sub

只要在 Form_Load 中使用 CenterForm Me 即可