[FileExplorer Add-ons][Dev files] Add regfile registry key for previewing .reg files (#20579)

stefansjfw · web-flow · commit 7c0bf9f1f443 · 2022-09-28T15:31:25.000+02:00
* Add regfile registry key for previewing .reg files

* Address PR comments
diff --git a/src/common/utils/registry.h b/src/common/utils/registry.h
@@ -378,6 +378,12 @@ namespace registry
                     std::wstring kindMapPath = L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\KindMap";
                     changes.push_back({ HKEY_LOCAL_MACHINE, kindMapPath, fileType, fileKindType, false});
                 }
+                if (handlerType == PreviewHandlerType::preview && fileType == L".reg")
+                {
+                    // this regfile registry key has precedence over Software\Classes\.reg for .reg files
+                    std::wstring regfilePath = L"Software\\Classes\\regfile\\shellex\\" + IPREVIEW_HANDLER_CLSID + L"\\";
+                    changes.push_back({ scope, regfilePath, std::nullopt, handlerClsid });
+                }
             }
 
             if (handlerType == PreviewHandlerType::preview)

Original file line number	Diff line number	Diff line change
`@@ -378,6 +378,12 @@ namespace registry`
`378`	`378`	`std::wstring kindMapPath = L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\KindMap";`
`379`	`379`	`changes.push_back({ HKEY_LOCAL_MACHINE, kindMapPath, fileType, fileKindType, false});`
`380`	`380`	`}`
	`381`	`+ if (handlerType == PreviewHandlerType::preview && fileType == L".reg")`
	`382`	`+ {`
	`383`	`+ // this regfile registry key has precedence over Software\Classes\.reg for .reg files`
	`384`	`+ std::wstring regfilePath = L"Software\\Classes\\regfile\\shellex\\" + IPREVIEW_HANDLER_CLSID + L"\\";`
	`385`	`+ changes.push_back({ scope, regfilePath, std::nullopt, handlerClsid });`
	`386`	`+ }`
`381`	`387`	`}`
`382`	`388`
`383`	`389`	`if (handlerType == PreviewHandlerType::preview)`