MsiUseFeature utility extended with installed language check

2016-09-07 14:02:50 +02:00
parent 24576d43ea
commit 4369e9e999
4 changed files with 30 additions and 3 deletions
--- a/MsiUseFeature/Main.cpp
+++ b/MsiUseFeature/Main.cpp
@@ -52,6 +52,26 @@ static int MsiUseFeature()
        return 2;
    }

+    if (nArgs > 2) {
+        reg_key key;
+        if (!key.open(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\") _T(VENDOR_NAME_STR) _T("\\") _T(PRODUCT_NAME_STR), 0, KEY_READ)) {
+            OutputDebugStr(_T("Product registry key cannot be opened (error %u).\n"), GetLastError());
+            return 3;
+        }
+
+        wstring lang;
+        LSTATUS s = RegQueryStringValue(key, _T("Language"), lang);
+        if (s != ERROR_SUCCESS) {
+            OutputDebugStr(_T("Error reading registry value (error %u).\n"), s);
+            return 3;
+        }
+
+        if (_wcsicmp(pwcArglist[2], lang.c_str()) != 0) {
+            OutputDebugStr(_T("Different language (%ls, %ls).\n"), pwcArglist[2], lang.c_str());
+            return 3;
+        }
+    }
+
    return 0;
 }