Thread: Avoiding Global variables

Originally Posted by csonx_p

Ok, took me a while but managed to convert all the code to pure C... I now can compile but down to two warnings... This has to do with the ID of the child window

Code:

HWND CreateButton(const HWND hParent,const HINSTANCE hInst,DWORD dwStyle,
				  const RECT& rc,const int id,const ustring& caption)
{
	dwStyle|=WS_CHILD|WS_VISIBLE;
	return CreateWindowEx(0,         
		_T("button"),               
		caption.c_str(),            
		dwStyle,                    
		rc.left,                     
		rc.top,                      
		rc.right,                     
		rc.bottom,                    
		hParent,                      
		reinterpret_cast<HMENU>(static_cast<INT_PTR>(id)),
		hInst,                        
		0);                        
}

What you see above is a C++ style, converting into C ...

Code:

(HMENU)id

... gives a warning

Code:

warning C4312: 'type cast' : conversion from 'int' to 'HMENU' of greater size

Ignoring this warning disables the minimize/restore/close buttons on the window... Any ideas on how to convert this properly?

Got read of the warnings by casting the arguments and declaring id as 'HMENU' not 'const int' in the parameter list... But, still have the close/minimize button missing! Could there be anything i removed by mistake... Please assist!

Originally Posted by Elysia

I believe you need the WS_SYSMENU style to see the max/min buttons.

Currently dStyle is 0, when i change to WS_SYSMENU the application runs minimized (doesn't even show)...