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----  EXCEL模板打印后窗口无法关闭  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=134945)
--  作者：by0521
--  发布时间：2019/5/13 15:37:00
--  EXCEL模板打印后窗口无法关闭
错误提示：
.NET Framework 版本：2.0.50727.9035
Foxtable 版本：2018.10.9.1
错误所在事件：窗口,打包标签模板,Button2,Click
详细错误信息：
远程过程调用失败。 (异常来自 HRESULT:0x800706BE)

Button2 的代码如下
Dim Book As New XLS.Book(ProjectPath & "Attachments\\打包标签模板.xls")
Dim fl As String = ProjectPath & "Reports\\打包标签模板.xls"
Dim Sheet As XLS.Sheet = Book.Sheets(0)  
Book.Build() \'生成细节区
Book.Save(fl) \'保存工作簿
Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open(fl)
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets(1)
With Ws.PageSetup
    .LeftMargin = 2
    .RightMargin = 2
    .TopMargin = 1
    .BottomMargin = 1
    .CenterHorizontally = True
    .CenterVertically = True
    .Zoom = False 
    .FitToPagesTall = 1
End With
Ws.PrintOut (Copies:= 3 ,ActivePrinter:="POSTEK C168/300s ")   
Wb.Close
App.Quit

点击button2后，标签打印出来了，但是窗口无法关闭，得要从任务管理器里面 结束EXCEL进程。然后才能关闭窗口，还有错误提示。
--  作者：有点甜
--  发布时间：2019/5/13 16:55:00
--  

Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open("c:\\aaa.xls")
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets(1)
With Ws.PageSetup
    .LeftMargin = 2
    .RightMargin = 2
    .TopMargin = 1
    .BottomMargin = 1
    .CenterHorizontally = True
    .CenterVertically = True
    .Zoom = False
    .FitToPagesTall = 1
End With
wb.saved = True
app.DisplayAlerts = False
Ws.PrintOut (Copies:= 3)  
Wb.Close
App.Quit