--- a/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java	Mon Oct 12 19:50:54 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java	Tue Oct 13 05:05:04 2015 +0900
@@ -12,23 +12,25 @@
 	private int portNumber = ConnectionParams.DEFAULT_VNC_ROOT;
 	private TreeRFBProto rfb;
     private String myHostName;
-	
+	private boolean rootMode = false;
+
+	private boolean displayMode = false;
+
 	public CreateConnectionParam(TreeRFBProto rfb) {
 		this.rfb = rfb;
         rfb.setConnectionParam(this);
 	}
 
 	public synchronized void findTreeVncRoot() {
-		rfb.createRootSelectionPanel(this);
-        FindRoot getBcast = new FindRoot(rfb.acceptPort,this);
-        getBcast.findRoot();
+		FindRoot getBcast = new FindRoot(rfb.acceptPort,this);
+		rfb.createRootSelectionPanel(this, getBcast);
         // wait for RootSelection
         try {
             wait();
         } catch (InterruptedException e) {
             System.out.println("any thread interrupt when wait for FindRoot " + e.getMessage());
         }
-    }
+	}
 
 	/**
 	 * To find parent, send WHERE_TO_CONNECT command to the TreeVNC root
@@ -71,8 +73,22 @@
     }
 
     public void setRootMode() {
-    }
+		rootMode = true;
+	}
+
+	public boolean isRootMode() {
+		return rootMode;
+	}
 
     public void setDisplayMode() {
+		displayMode = true;
     }
+
+	public boolean isDisplayMode() {
+		return displayMode;
+	}
+
+	public synchronized void restart() {
+		notify();
+	}
 }