--- a/dwtx/jface/internal/text/link/contentassist/ContentAssistant2.d	Sun Aug 24 02:22:48 2008 +0200
+++ b/dwtx/jface/internal/text/link/contentassist/ContentAssistant2.d	Sun Aug 24 02:26:23 2008 +0200
@@ -848,7 +848,7 @@
 
             if (fViewer !is null && fAutoAssistListener is null) {
                 fAutoAssistListener= new AutoAssistListener();
-                if (fViewer instanceof ITextViewerExtension) {
+                if ( cast(ITextViewerExtension)fViewer ) {
                     ITextViewerExtension extension= cast(ITextViewerExtension) fViewer;
                     extension.appendVerifyKeyListener(fAutoAssistListener);
                 } else {
@@ -860,7 +860,7 @@
 
         } else if (fAutoAssistListener !is null) {
 
-            if (fViewer instanceof ITextViewerExtension) {
+            if ( cast(ITextViewerExtension)fViewer ) {
                 ITextViewerExtension extension= cast(ITextViewerExtension) fViewer;
                 extension.removeVerifyKeyListener(fAutoAssistListener);
             } else {
@@ -1124,10 +1124,10 @@
         switch (type) {
             case CONTEXT_SELECTOR:
             case PROPOSAL_SELECTOR:
-                if (fViewer instanceof IWidgetTokenOwner) {
+                if ( cast(IWidgetTokenOwner)fViewer ) {
                     IWidgetTokenOwner owner= cast(IWidgetTokenOwner) fViewer;
                     return owner.requestWidgetToken(this);
-                } else if (fViewer instanceof IWidgetTokenOwnerExtension)  {
+                } else if ( cast(IWidgetTokenOwnerExtension)fViewer )  {
                     IWidgetTokenOwnerExtension extension= cast(IWidgetTokenOwnerExtension) fViewer;
                     return extension.requestWidgetToken(this, WIDGET_PRIORITY);
                 }
@@ -1177,7 +1177,7 @@
             StyledText text= fViewer.getTextWidget();
             if (Helper2.okToUse(text)) {
 
-                if (fViewer instanceof ITextViewerExtension) {
+                if ( cast(ITextViewerExtension)fViewer ) {
                     ITextViewerExtension e= cast(ITextViewerExtension) fViewer;
                     e.prependVerifyKeyListener(fInternalListener);
                 } else {
@@ -1205,7 +1205,7 @@
      */
     private void releaseWidgetToken(int type) {
         if (fListeners[CONTEXT_SELECTOR] is null && fListeners[PROPOSAL_SELECTOR] is null) {
-            if (fViewer instanceof IWidgetTokenOwner) {
+            if ( cast(IWidgetTokenOwner)fViewer ) {
                 IWidgetTokenOwner owner= cast(IWidgetTokenOwner) fViewer;
                 owner.releaseWidgetToken(this);
             }
@@ -1245,7 +1245,7 @@
             StyledText text= fViewer.getTextWidget();
             if (Helper2.okToUse(text)) {
 
-                if (fViewer instanceof ITextViewerExtension) {
+                if ( cast(ITextViewerExtension)fViewer ) {
                     ITextViewerExtension e= cast(ITextViewerExtension) fViewer;
                     e.removeVerifyKeyListener(fInternalListener);
                 } else {
@@ -1433,7 +1433,7 @@
      */
     IContextInformationPresenter getContextInformationPresenter(ITextViewer textViewer, int offset) {
         IContextInformationValidator validator= getContextInformationValidator(textViewer, offset);
-        if (validator instanceof IContextInformationPresenter)
+        if ( cast(IContextInformationPresenter)validator )
             return cast(IContextInformationPresenter) validator;
         return null;
     }