Object member dumps from VS2013

pWindow in first call within Base_WndProc, called by WinMain (my own code) (this succeeded)
-		pWindow	0x001df75c {m_hWnd=0x00000000 <NULL> m_height=0x00000000 m_width=0x00000000 ...}	nsObjWin32::nsWindows::Window *
+		__vfptr	0x003198b4 {win32_ui_lib.exe!const MainFrame::`vftable'{for `nsObjWin32::nsWindows::Window'}} {0x003110a5 {win32_ui_lib.exe![thunk]:MainFrame::`vector deleting destructor'`vtordisp{4294967292,0}' (unsigned int)}, ...}	void * *
+		m_hWnd	0x00000000 <NULL>	HWND__ *
		m_height	0x00000000	int
		m_width	0x00000000	int
		m_style	0x000f0000	unsigned long
		m_exStyle	0x00000000	unsigned long

pWindow in second call within Base_WndProc, called by CreateWindowEx (this fails!), note the [MainFrame] part (interesting?)
-		pWindow	0x001df748 {...}	nsObjWin32::nsWindows::Window *
+		[MainFrame]	{...}	MainFrame
+		__vfptr	0x003198d8 {win32_ui_lib.exe!const MainFrame::`vftable'{for `nsObjWin32::nsWindows::UserWindow'}} {0x00311172 {win32_ui_lib.exe!nsObjWin32::nsWindows::Frame::Register(void)}, ...}	void * *
+		m_hWnd	0x003198f0 {win32_ui_lib.exe!const MainFrame::`vbtable'{for `nsObjWin32::nsWindows::UserWindow'}} {unused=...}	HWND__ *
		m_height	0xccccc2c1	int
		m_width	0x003198e4	int
		m_style	0x00000000	unsigned long
		m_exStyle	0x003198b4	unsigned long