--- a/src/main.rs	Wed Oct 28 18:21:54 2020 +0900
+++ b/src/main.rs	Thu Oct 29 09:44:38 2020 +0900
@@ -19,6 +19,8 @@
     Console(Console),
     Start(Start),
     Ttyconsole(TTyConsole),
+    VNCDisplay(VNCDisplay)
+    //todo define-gdb dumpxml 
 }
 
 /// define (but don't start) a domain from an template XML file
@@ -27,6 +29,12 @@
     name: String,
 }
 
+// vncdisplay
+#[derive(Clap)]
+struct VNCDisplay {
+    name_or_id: String,
+}
+
 /// undefine a domain
 #[derive(Clap)]
 struct UnDefine {