Reuse common sample resources. Little code cleanup. Removed unused files.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40198 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/validate/validate.h

@@ -71,14 +71,15 @@ public:
     int m_radiobox_choice;
 };
 
-#define VALIDATE_DIALOG_ID      200
+enum {
+    VALIDATE_DIALOG_ID = wxID_HIGHEST,
 
-#define VALIDATE_TEST_DIALOG      2
-#define VALIDATE_TOGGLE_BELL      3
-
-#define VALIDATE_TEXT           101
-#define VALIDATE_LIST           102
-#define VALIDATE_CHECK          103
-#define VALIDATE_COMBO          105
-#define VALIDATE_RADIO          106
+    VALIDATE_TEST_DIALOG,
+    VALIDATE_TOGGLE_BELL,
 
+    VALIDATE_TEXT,
+    VALIDATE_LIST,
+    VALIDATE_CHECK,
+    VALIDATE_COMBO,
+    VALIDATE_RADIO
+};