8278472: Invalid value set to CANDIDATEFORM structure

Backport-of: 2426d58e592c54de64ebe0f06448d239aeced082

src/java.desktop/windows/native/libawt/windows/awt_Component.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3917,11 +3917,11 @@ void AwtComponent::SetCandidateWindow(int iCandType, int x, int y)
     HIMC hIMC = ImmGetContext(hwnd);
     if (hIMC) {
         CANDIDATEFORM cf;
-        cf.dwStyle = CFS_POINT;
+        cf.dwStyle = CFS_CANDIDATEPOS;
         ImmGetCandidateWindow(hIMC, 0, &cf);
         if (x != cf.ptCurrentPos.x || y != cf.ptCurrentPos.y) {
             cf.dwIndex = iCandType;
-            cf.dwStyle = CFS_POINT;
+            cf.dwStyle = CFS_CANDIDATEPOS;
             cf.ptCurrentPos = {x, y};
             cf.rcArea = {0, 0, 0, 0};
             ImmSetCandidateWindow(hIMC, &cf);