mirror of
https://github.com/microsoft/PowerToys.git
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56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
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#include "pch.h"
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#include <interface/powertoy_module_interface.h>
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#include "trace.h"
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#include "powerpreview.h"
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#include "CLSID.h"
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// Logic to shim the Activation of .Net Assembly by calling CoGetClassObject. CLSID's of Preview Handlers should be present in the registry.dat under /Classes/CLSID/{guid}.
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// See the existing Preview Handlers registry entry in registry.reg file.
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// This is required since MSIX currently not support .Net Assembly for Com Activation for Preview Handlers.
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HRESULT CALLBACK DllGetClassObject(REFCLSID clsid, REFIID riid, void** ppv)
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{
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*ppv = NULL;
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HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
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for (auto handler : NativeToManagedClsid)
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{
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if (handler.first == clsid)
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{
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hr = CoGetClassObject(handler.second, CLSCTX_INPROC_SERVER, NULL, riid, ppv);
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break;
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}
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}
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// In case of failed error code return by CoGetClassObject return CLASS_E_CLASSNOTAVAILABLE to the caller.
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if (FAILED(hr))
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{
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hr = CLASS_E_CLASSNOTAVAILABLE;
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*ppv = NULL;
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}
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return hr;
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}
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
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{
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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Trace::RegisterProvider();
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break;
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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Trace::UnregisterProvider();
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break;
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}
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return TRUE;
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}
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extern "C" __declspec(dllexport) PowertoyModuleIface* __cdecl powertoy_create()
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{
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return new PowerPreviewModule();
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}
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