Hi All,
I have ActiveX control written on the C#. It works fine on the Vista64 in ie32 but don't works in ie64. Why? In compiler option property "Target platform" set in value "Any CPU"...I used only .NET class library, without unmanaged code, without P/Invoke etc. However, when I set "Target platform" in "x64", ActiveX component don't works in both explorer (ie32 and ie64).

Did you use the 64-bit version of Regasm.exe to register it? Required. The 32-bit version only makes it visible to 32-bit hosts.

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Hans Passant.

I used caspol.exe to add host to the trusted sites.
I tried execute caspol.exe from directory ..\.Net framework and from ..\.Net framework(64). No effects.
Code for ActiveX on my aspx page.

<object style="border:0px;margin:0px" id="Client"
classid="Services.dll#ControlLib.ServicesCtl" codebase="Services.dll#version=1,0,0,121">
<param name="SessionId" value ='<%= sessionId %>' />
<param name="WorkflowId" value ='<%= Request.Params["id"] %>' />
<param name="ServiceURL" value ='<%= serviceUrl %>' />
</object>
I execute ActiveX not as COM object...