* roottypes.cs: Rename from tree.cs.

[mono.git] / mcs / class / System / System.Collections.Specialized / HybridDictionary.cs

diff --git a/mcs/class/System/System.Collections.Specialized/HybridDictionary.cs b/mcs/class/System/System.Collections.Specialized/HybridDictionary.cs
index d422eb109f0b1b53a3e160cdd69a11864a15a5d1..c82d61090054dfcd54bde38af0679b39a6032240 100644 (file)
--- a/mcs/class/System/System.Collections.Specialized/HybridDictionary.cs
+++ b/mcs/class/System/System.Collections.Specialized/HybridDictionary.cs
@@ -29,11 +29,7 @@
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-using System;
-using System.Collections;
-
-namespace System.Collections.Specialized 
-{
+namespace System.Collections.Specialized {
 
        [Serializable]
        public class HybridDictionary : IDictionary, ICollection, IEnumerable {
@@ -71,8 +67,7 @@ namespace System.Collections.Specialized
 
                // Properties
 
-               public int Count 
-               {
+               public int Count {
                        get { return inner.Count; }
                }
 
@@ -128,8 +123,12 @@ namespace System.Collections.Specialized
 
                public bool Contains (object key)
                {
+#if NET_2_0
+                       return inner.Contains (key);
+#else
                        // if the dictionary is empty, 'Contains (null)' doesn't throw an ArgumentNullException
                        return Count != 0 && inner.Contains (key);
+#endif
                }
 
                public void CopyTo (Array array, int index)