Thread: Problem with non-functional window

I'm having a problem with this program. When I run it, I can interact with the buttons and text-edit-window, but I cannot interact with the "outer" controls, ie X-button, minimize button, resize window, move window etc...
It's probably a simple obvious error, but I can't find it...

Code:

//*** Included Files ***
#include <windows.h>
#include "TextEdit.h"


//*** Message Handler ***
LRESULT MessageHandler(HWND WinHandle, UINT Message, WPARAM wParam, LPARAM lParam)
{
   //Do stuff
   switch(Message)
   {
      //Interaction with buttons
      case WM_COMMAND:
         switch(LOWORD(wParam))
         {
            //Press the button EXIT
            case SystemExit:
               DestroyWindow(WinHandle);
            break;
         }
      break;
      //Window shutdown has been activated (X or EXIT)
      case WM_CLOSE:
         DestroyWindow(WinHandle);
      break;
      //Window has been destroyed (See above)
      case WM_DESTROY:
         PostQuitMessage(0);
      break;
      default:
         //In case message didn't get handled, do default handling
         return DefWindowProc(WinHandle, Message, wParam, lParam);
   }

   //Return success
   return 0;
}


//*** Creates A Window ***
void SetupWindow(HINSTANCE CurInst)
{
   //Creates a handle window
   HWND HandleWindow;

   //Create the window object (modeless)
   HandleWindow=CreateDialog(CurInst, MAKEINTRESOURCE(MainForm), NULL, (DLGPROC)MessageHandler);

   //Make the window appear
   ShowWindow(HandleWindow, SW_SHOW);
}


//*** Win Main ***
int WINAPI WinMain(HINSTANCE CurInst, HINSTANCE PrevInst, LPSTR ParList, int WinShowType)
{
   //Data
   MSG Message;
   BOOL ProgramStatus=TRUE;

   //Creates a window
   SetupWindow(CurInst);

   //Main loop
   while(ProgramStatus==TRUE)
   {
      if(PeekMessage(&Message, NULL, 0, 0, PM_REMOVE))
      {
         //Message processing
         if(Message.message==WM_QUIT) ProgramStatus=FALSE;
         TranslateMessage(&Message);
         DispatchMessage(&Message);
      }
      else
      {
         //Idle
      }
   }

   //Exit
   return 0;
}

Ahhh, that's true . Thanks!

...Hmm, that wasn't the problem after all... . Still non functional.
(PS: I've updated my code above)

Take the DefWindowProc() out of the WM_COMMAND switch.

Ensure the dialog has the System Menu style checked or WS_SYSMENU style.

Why are you using PeekMesage() rather than GetMessage()/

(or if not the main Dlg IsDialogMessage() )