当我尝试使用 CreateInstance 调用实例化由 com 包装的 ac# dll 时，出现“类未注册”异常。
以下是堆栈跟踪：
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ntdll.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\KernelBase.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ole32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcrt.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\gdi32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\user32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\advapi32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sechost.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\rpcrt4.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sspicli.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptbase.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\lpk.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\usp10.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\oleaut32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcr110d.dll'. Symbols loaded.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcp110d.dll'. Symbols loaded.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\imm32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msctf.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\uxtheme.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Program Files (x86)\FlashGet\fgmgr.dll'. Module was built without symbols.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comdlg32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shlwapi.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shell32.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\version.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\wininet.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\normaliz.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\iertutil.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\urlmon.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\clbcatq.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\mscoree.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscoreei.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sxs.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.6195_none_d09154e044272b9a\msvcr80.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\SysWOW64\profapi.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Loaded 'C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\acfc1391e45fedd2a359778ea57d914c\mscorlib.ni.dll'.
'Test.exe' (Win32): Loaded 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\Culture.dll'. Cannot find or open the PDB file.
'Test.exe' (Win32): Unloaded 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\Culture.dll'
First-chance exception at 0x75E7B9BC in Test.exe: Microsoft C++ exception: EEFileLoadException at memory location 0x004BDACC.
First-chance exception at 0x75E7B9BC in Test.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.
First-chance exception at 0x75E7B9BC in Test.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.
First-chance exception at 0x75E7B9BC in Test.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.