public IUnDo880ByVBA(
string 加载宏名称 = "VSTO880UNDO.xlam",
string UNDO过程名称 = "UnDo880"
)Public Sub New (
Optional 加载宏名称 As String = "VSTO880UNDO.xlam",
Optional UNDO过程名称 As String = "UnDo880"
)
Dim 加载宏名称 As String
Dim UNDO过程名称 As String
Dim instance As New IUnDo880ByVBA(加载宏名称, UNDO过程名称)