本文介绍了vb.net中的COM类问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
嗨
我已经在vb.net的Windows中创建了一个应用程序.在该应用程序中，我正在创建一个对象
我在以下错误中创建对象时出现AcroApp = CreateObject("AcroExch.App").
Hi
i have creating a application in windows in vb.net. in that application, i am creating a object
AcroApp = CreateObject("AcroExch.App") while i am creating the object in the below error occurs.
Unable to cast COM object of type 'System.__ComObject' to interface type 'Acrobat.AcroApp'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{9B4CD3E6-4981-101B-9CA8-9240CE2738AE}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).
给我一个解决办法.
谢谢，
SIVASANKARAN G
Give me a solution.
Thanks,
SIVASANKARAN G
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