主题：求助，窗口打印容器内容！！

 试试

Dim tb As WinForm.TabControl = e.Form.Controls("TabControl1")
Dim pg As WinForm.TabPage = tb.SelectedPage
Dim doc  As PrintDoc = e.Form.GernatePrintDoc(pg)
doc.AutoRotate = False
doc.PageSetting.Landscape = True '横向打印

doc.Print()