diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CElement.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CElement.java
index c66ebbe2ebc..58d70fe0056 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CElement.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CElement.java
@@ -81,7 +81,7 @@ public abstract class CElement extends PlatformObject implements ICElement {
 
 	public boolean exists() {
 		try {
-			return getCorrespondingResource() != null;
+			return getResource() != null;
 		} catch (CModelException e) {
 			e.printStackTrace();
 		}
@@ -89,7 +89,7 @@ public abstract class CElement extends PlatformObject implements ICElement {
 	}
 	
 	public boolean isReadOnly () {
-		return true;
+		return getElementInfo().isReadOnly();
 	}
 
 	public boolean isStructureKnown() throws CModelException {
@@ -149,7 +149,7 @@ public abstract class CElement extends PlatformObject implements ICElement {
 
 	public abstract IResource getUnderlyingResource() throws CModelException;
 
-	public abstract IResource getCorrespondingResource() throws CModelException;
+	public abstract IResource getResource() throws CModelException;
 
 	protected abstract CElementInfo createElementInfo();
 
@@ -184,8 +184,8 @@ public abstract class CElement extends PlatformObject implements ICElement {
 		if (o instanceof CElement) {
 			CElement other = (CElement) o;
 			try {
-				IResource tres = getCorrespondingResource();
-				IResource ores = other.getCorrespondingResource();
+				IResource tres = getResource();
+				IResource ores = other.getResource();
 				if (ores != null && tres != null) {
 					return tres.equals(ores);
 				}
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Parent.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Parent.java
index 95f4fb7c7b6..3072d84b5b5 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Parent.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Parent.java
@@ -82,7 +82,7 @@ public abstract class Parent extends CElement implements IParent {
 		return resource;
 	}
 
-	public IResource getCorrespondingResource() throws CModelException {
+	public IResource getResource() throws CModelException {
 		return null;
 	}
 
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/SourceManipulation.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/SourceManipulation.java
index f63247e63b4..87e479b58b4 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/SourceManipulation.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/SourceManipulation.java
@@ -126,6 +126,10 @@ public class SourceManipulation extends Parent implements ISourceManipulation, I
 		return getParent().getUnderlyingResource();
 	}
 
+	public IResource getResource() throws CModelException {
+		return null;
+	}
+	
 	protected CElementInfo createElementInfo () {
 		return new SourceManipulationInfo(this);
 	}