diff --git a/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/componentTree/TreeEditOperation.java b/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/componentTree/TreeEditOperation.java
index 9bc36e53acd8..b122bdeeb96a 100644
--- a/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/componentTree/TreeEditOperation.java
+++ b/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/componentTree/TreeEditOperation.java
@@ -19,6 +19,7 @@ import com.intellij.designer.designSurface.AbstractEditOperation;
 import com.intellij.designer.designSurface.FeedbackTreeLayer;
 import com.intellij.designer.designSurface.OperationContext;
 import com.intellij.designer.model.RadComponent;
+import com.intellij.util.ArrayUtil;
 import org.jetbrains.annotations.Nullable;
 
 import java.awt.*;
@@ -66,13 +67,8 @@ public abstract class TreeEditOperation extends AbstractEditOperation {
     }
   }
 
-  private boolean isChildren(RadComponent component) {
-    for (Object child : myContainer.getTreeChildren()) {
-      if (child == component) {
-        return true;
-      }
-    }
-    return false;
+  protected final boolean isChildren(RadComponent component) {
+    return ArrayUtil.indexOf(myContainer.getTreeChildren(), component) != -1;
   }
 
   @Override
diff --git a/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/designSurface/feedbacks/RoundRectangleFeedback.java b/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/designSurface/feedbacks/RoundRectangleFeedback.java
index fbd126a2c437..a1ce15a0e5fb 100644
--- a/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/designSurface/feedbacks/RoundRectangleFeedback.java
+++ b/plugins/ui-designer/ui-designer-new/src/com/intellij/designer/designSurface/feedbacks/RoundRectangleFeedback.java
@@ -21,6 +21,8 @@ import java.awt.*;
  * @author Alexander Lobas
  */
 public class RoundRectangleFeedback extends RectangleFeedback {
+  private static final BasicStroke STROKE = new BasicStroke(2);
+
   private final int myRadius;
 
   public RoundRectangleFeedback(Color color, int line, int radius) {
@@ -30,9 +32,15 @@ public class RoundRectangleFeedback extends RectangleFeedback {
 
   @Override
   protected void paintFeedback(Graphics g) {
+    Graphics2D g2d = (Graphics2D)g;
+
+    Stroke oldStroke = g2d.getStroke();
+    g2d.setStroke(STROKE);
+    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+
     Dimension size = getSize();
-    for (int i = 0; i < myLine; i++) {
-      g.drawRoundRect(i, i, size.width - i - i - 1, size.height - i - i - 1, myRadius, myRadius);
-    }
+    g.drawRoundRect(0, 0, size.width - 1, size.height - 1, myRadius, myRadius);
+
+    g2d.setStroke(oldStroke);
   }
 }
\ No newline at end of file