Use VARIANT primitive accessors in COMLateBindingObject#get*Property

Closes #609

CHANGES.md

@@ -43,6 +43,7 @@ Features
 * [#608](https://github.com/java-native-access/jna/pull/608): Mavenize the build process - change parent and native pom artifactId/name to differentiate in IDE and build tools. [@bhamail](https://github.com/bhamail)
 * [#613](https://github.com/java-native-access/jna/pull/613): Make Win32Exception extend LastErrorException [@lgoldstein](https://github.com/lgoldstein).
 * [#613](https://github.com/java-native-access/jna/pull/614): Added standard 'Kernel32Util#closeHandle' method that throws a Win32Exception if failed to close the handle [@lgoldstein](https://github.com/lgoldstein).
+* [#618](https://github.com/java-native-access/jna/pull/618): Implement SAFEARRAY access and bugfix VARIANT - [@matthiasblaesing](https://github.com/matthiasblaesing).
 * [#616](https://github.com/java-native-access/jna/pull/616): Allow access to base interfaces (most important IDispatch) via ProxyObject and improve binding by allowing to use dispId for the call - [@matthiasblaesing](https://github.com/matthiasblaesing).
 
 Bug Fixes

contrib/platform/src/com/sun/jna/platform/win32/COM/COMLateBindingObject.java

@@ -149,7 +149,7 @@ protected boolean getBooleanProperty(String propertyName) {
         this.oleMethod(OleAuto.DISPATCH_PROPERTYGET, result,
                 this.getIDispatch(), propertyName);
 
-        return (((VARIANT_BOOL) result.getValue()).intValue() != 0);
+        return result.booleanValue();
     }
 
     /**
@@ -179,7 +179,7 @@ protected int getIntProperty(String propertyName) {
         this.oleMethod(OleAuto.DISPATCH_PROPERTYGET, result,
                 this.getIDispatch(), propertyName);
 
-        return ((LONG) result.getValue()).intValue();
+        return result.intValue();
     }
 
     /**
@@ -194,7 +194,7 @@ protected short getShortProperty(String propertyName) {
         this.oleMethod(OleAuto.DISPATCH_PROPERTYGET, result,
                 this.getIDispatch(), propertyName);
 
-        return ((SHORT) result.getValue()).shortValue();
+        return result.shortValue();
     }
 
     /**
@@ -209,7 +209,7 @@ protected String getStringProperty(String propertyName) {
         this.oleMethod(OleAuto.DISPATCH_PROPERTYGET, result,
                 this.getIDispatch(), propertyName);
 
-        return result.getValue().toString();
+        return result.stringValue();
     }
 
     /**