Loaded traces may be unloaded.

server/TracyView.hpp

@@ -45,7 +45,7 @@ public:
     View( FileRead& f );
     ~View();
 
-    static void Draw();
+    static bool Draw();
 
 private:
     enum class Namespace : uint8_t
@@ -61,7 +61,7 @@ private:
 
     void DrawTextContrast( ImDrawList* draw, const ImVec2& pos, uint32_t color, const char* text );
 
-    void DrawImpl();
+    bool DrawImpl();
     void DrawConnection();
     void DrawFrames();
     bool DrawZoneFrames();