在 Windows 平台通过 GeoID 检测用户所处国家/区域 (#3891)

HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/windows/Kernel32.java

@@ -44,4 +44,8 @@ public interface Kernel32 extends StdCallLibrary {
      */
     int GetACP();
 
+    /**
+     * @see <a href="https://learn.microsoft.com/windows/win32/api/winnls/nf-winnls-getusergeoid">GetUserGeoID function</a>
+     */
+    int GetUserGeoID(int geoClass);
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/windows/WinConstants.java

@@ -36,4 +36,8 @@ public interface WinConstants {
     long HKEY_CURRENT_CONFIG = 0x80000005L;
     long HKEY_DYN_DATA = 0x80000006L;
     long HKEY_CURRENT_USER_LOCAL_SETTINGS = 0x80000007L;
+
+    int GEOCLASS_NATION = 16;
+    int GEOCLASS_REGION = 14;
+    int GEOCLASS_ALL = 0;
 }