diff --git a/core/org.eclipse.cdt.ui/ChangeLog b/core/org.eclipse.cdt.ui/ChangeLog
index db9830dd8eb..43327c4a27e 100644
--- a/core/org.eclipse.cdt.ui/ChangeLog
+++ b/core/org.eclipse.cdt.ui/ChangeLog
@@ -1,3 +1,12 @@
+2004-04-02 Alain Magloire
+
+	Add new filter to hide/show non C Projects.
+
+	* src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
+	* src/org/eclipse/cdt/internal/ui/filters/NonCProjectsFilter.java
+	* plugin.properties
+	* plugin.xml
+
 2004-04-01 Alain Magloire
 
 	New set of icons to experiment, from Chris.
diff --git a/core/org.eclipse.cdt.ui/plugin.properties b/core/org.eclipse.cdt.ui/plugin.properties
index 0076d451c2c..70620059713 100644
--- a/core/org.eclipse.cdt.ui/plugin.properties
+++ b/core/org.eclipse.cdt.ui/plugin.properties
@@ -135,9 +135,12 @@ HideArchiveFiles.description= Hides Archive files
 HideObjectFiles.label= Object files
 HideObjectFiles.description= Hides Object files
 
-HideNonCElements.label= Non-C Resource
+HideNonCElements.label= Non-C resource
 HideNonCElements.description= Show only C elements
 
+HideNonCProjects.label = Non-C projects
+HideNonCProjects.description= Show only C projects
+
 HideReferencedLibraries.label= Referenced libraries
 HideReferencedLibraries.description= Hides referenced libraries i.e. those not contained inside the project itself
 
diff --git a/core/org.eclipse.cdt.ui/plugin.xml b/core/org.eclipse.cdt.ui/plugin.xml
index 08db7bdc7e0..6f16ece3923 100644
--- a/core/org.eclipse.cdt.ui/plugin.xml
+++ b/core/org.eclipse.cdt.ui/plugin.xml
@@ -87,6 +87,14 @@
             class="org.eclipse.cdt.internal.ui.filters.ClosedProjectFilter"
             id="org.eclipse.cdt.internal.ui.CView.ClosedProjectFilter">
       </filter>
+      <filter
+            enabled="false"
+            name="%HideNonCProjects.label"
+            targetId="org.eclipse.cdt.ui.CView"
+            description="%HideNonCProjects.description"
+            class="org.eclipse.cdt.internal.ui.filters.NonCProjectsFilter"
+            id="org.eclipse.cdt.internal.ui.CView.NonCProjectsFilter">
+      </filter>
       <filter
             enabled="false"
             name="%HideNonCElements.label"
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
index a785bf79712..3107bd7346f 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
@@ -154,6 +154,8 @@ public class BaseCElementContentProvider implements ITreeContentProvider {
 			}
 		} else if (element instanceof IParent) {
 			return ((IParent)element).getChildren();
+		} else if (element instanceof IProject) {
+			return getResources((IProject)element);
 		} else if (element instanceof IFolder) {
 			return getResources((IFolder)element);
 		}
@@ -324,6 +326,14 @@ public class BaseCElementContentProvider implements ITreeContentProvider {
 		return concatenate(children, objects);
 	}
 
+	private Object[] getResources(IProject project) {
+		try {
+			return project.members();
+		} catch (CoreException e) {
+		}
+		return NO_CHILDREN;
+	}
+
 	private Object[] getResources(IFolder folder) {
 		ICProject cproject = CoreModel.getDefault().create(folder.getProject());
 		Object[] members = null;
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/filters/NonCProjectsFilter.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/filters/NonCProjectsFilter.java
new file mode 100644
index 00000000000..acca3235b91
--- /dev/null
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/filters/NonCProjectsFilter.java
@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.ui.filters;
+
+
+import org.eclipse.cdt.core.model.ICProject;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+
+
+/**
+ * Filters closed projects
+ */
+public class NonCProjectsFilter extends ViewerFilter {
+
+	/*
+	 * @see ViewerFilter
+	 */
+	public boolean select(Viewer viewer, Object parent, Object element) {
+		if (element instanceof ICProject) {
+			return true;
+		} else if (element instanceof IProject) {
+			return !((IProject)element).isOpen();
+		}
+		return true;
+	}
+}