Microsoft.BizTalk.ExplorerOM on x64 Machine not working !!

I am new to Biztalk server development and specially on 64 bit machines.

I am using  Microsoft.BizTalk.ExplorerOM to create send ports and other BizTalk objects. I have created a web service for that.

Machine configuration is 64 bit W2K8.

The issue is the ExplorerOM.dll must run under 32 bit process, so when I tried to run my web service through IIS 7; I got the below error:

Explorer OM is not supported in a 64bit process.

To resolve this, I have created new application pool and set its 32 bit application support enabled. On running the application I got the below error:

XML Parsing Error: no element found

Location: http://localhost/VectorBiztalkServices/VectorBizTalkService.asmx

Line Number 1, Column 1:

Looking farward for some help!

Thanks.