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POget object before create it , is it possible
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  1. POget object before create it , is it possible
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    copied!<p>Is it possible to get the object before create the object itself?</p> <p>like this</p> <pre><code>template &lt;class T&gt; class Event { protected: T*Obj ; public: void onclick() { Obj-&gt;getobject()-&gt;dosomthing ; } // i need help how to get the object }; class myclass : public Event&lt;myclass&gt; { public: Event&lt;myclass&gt;* getobject() {return Obj;} myclass* createobject() ; }; </code></pre> <p>I try a few codes and ideas but it always fails and I get nothing ( null pointer )</p> <p>I try pointer to member, and pointer to function but it fails too! I don't now if I explain what I want exactly.</p> <p>Any help?</p> <p>Here is the full code </p> <pre><code>template &lt;class T&gt; class GUI_Event { private: static bool _Donothing (const EventArgs &amp;Args) {return false ; } T*Obj ; protected: /*for window only*/ bool ( *CloseClicked ) (const EventArgs &amp;Args) ; /* event fired on left mouse click*/ bool ( *_L_Mouse_Click_DoFunction ) (const EventArgs &amp;Args) ; /* event fired on right mouse click*/ bool ( *_R_Mouse_Click_DoFunction ) (const EventArgs &amp;Args) ; /*event fired on middle mouse click*/ bool ( *_M_Mouse_Click_DoFunction ) (const EventArgs &amp;Args) ; public: /*set up fired function on left mouse click event*/ const void Set_L_Mouse_Click_DoFunction( bool (*Function)(const EventArgs &amp;Args)) {this-&gt;_L_Mouse_Click_DoFunction = NULL ; this-&gt;_L_Mouse_Click_DoFunction = Function ; Obj-&gt;Get_FrameWindowPtr ()-&gt;subscribeEvent ( FrameWindow::EventMouseClick , CEGUI::Event::Subscriber ( &amp;_L_Mouse_Click_DoFunction ));} /*set up fired function on right mouse event click */ }; class GUI_Window : public GUI_Event&lt;GUI_Window&gt; { private: static void SetID() ; /* Identifie Number For The Window */ static int ID ; /* /the Identifir Number for current window */ int Wnd_ID ; //Frame WIndow CEGUI::FrameWindow *_Frame_Window ; /* Window Name == value by the user */ CEGUI::String *_Window_Name ; /*window type == for now is inluded ( XML FIle (without extension)/FrameWindow )*/ CEGUI::String *_Window_Type; /* XML File that include style of the GUI */ String *_File_Name; public: /* create a Window */ explicit GUI_Window ( CL_HUD const*Hud , String const&amp;Window_Name ); /* create a Window */ explicit GUI_Window ( const CL_HUD &amp;Hud , String const&amp;Window_Name ); /* return current framewindow As Pointer */ FrameWindow *const Get_FrameWindowPtr ()const { return _Frame_Window ; } /* return current framewindow */ const FrameWindow &amp;Get_FrameWindow ()const { return *_Frame_Window ; } /*return current window type*/ const String &amp;Get_WindowType() const { return *_Window_Type ;} /*return current window type As Pointer */ String *const Get_WindowTypePtr() const { return _Window_Type ;} /*return current window name As Pointer */ String *const Get_WindowNamePtr() const { return _Window_Name ;} /*return current window name*/ const String &amp;Get_WindowName() const { return *_Window_Name ;} /* return XML File Name Scheme */ const String &amp;Get_File_Name() const { return *_File_Name ;} /* return XML File Name Scheme As Pointer */ String *const Get_File_NamePtr() const { return _File_Name ;} void SetText(String text ) { Get_FrameWindowPtr ()-&gt;setText ( text ); *_Window_Name = text ; } int Get_ID () { return Wnd_ID ; } ~GUI_Window(); }; </code></pre> <p>The problem is that I get a null pointer in this following line</p> <pre><code>Set_L_Mouse_Click_DoFunction </code></pre>
 

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