feat: add GetLastActivationError

src/main/java/com/cryptlex/lexactivator/LexActivator.java

@@ -1378,6 +1378,24 @@
         }
     }
 
+    /**
+     * Gets the error code that caused the activation data to be cleared.
+     *
+     * @return Returns the error code that caused the activation data to be cleared.
+     * @throws LexActivatorException
+     */
+    public static int GetLastActivationError() throws LexActivatorException {
+        int status;
+        IntByReference errorCode = new IntByReference(0);
+        status = LexActivatorNative.GetLastActivationError(errorCode);
+        switch (status) {
+        case LA_OK:
+            return errorCode.getValue();
+        default:
+            throw new LexActivatorException(status);
+        }
+    }
+
     /**
      * Gets the trial activation metadata.
      *

src/main/java/com/cryptlex/lexactivator/LexActivatorNative.java

@@ -221,6 +221,8 @@
 
     public static native int GetServerSyncGracePeriodExpiryDate(IntByReference expiryDate);
 
+    public static native int GetLastActivationError(IntByReference errorCode);
+
     public static native int GetTrialActivationMetadata(String key, ByteBuffer value, int length);
 
     public static native int GetTrialActivationMetadata(WString key, CharBuffer value, int length);