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rjphares (136)
I am trying to get an EDITTEXT resource to show up. I created the resource file and the resource header file but not sure what to add to my main file.
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#include <windows.h>

#include "resource.h"



#define ID_TIMER 1



LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;



TCHAR szAppName[] = TEXT ("MenuDemo") ;



int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,

                    PSTR szCmdLine, int iCmdShow)

{

     HWND     hwnd ;

     MSG      msg ;

     WNDCLASS wndclass ;

     

     wndclass.style         = CS_HREDRAW | CS_VREDRAW ;

     wndclass.lpfnWndProc   = WndProc ;

     wndclass.cbClsExtra    = 0 ;

     wndclass.cbWndExtra    = 0 ;

     wndclass.hInstance     = hInstance ;

     wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;

     wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;

     wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;

     wndclass.lpszMenuName  = szAppName ;

     wndclass.lpszClassName = szAppName ;

     

     if (!RegisterClass (&wndclass))

     {

          MessageBox (NULL, TEXT ("This program requires Windows NT!"),

                      szAppName, MB_ICONERROR) ;

          return 0 ;

     }

     

     hwnd = CreateWindow (szAppName, TEXT ("Menu Demonstration"),

                          WS_OVERLAPPEDWINDOW,

                          CW_USEDEFAULT, CW_USEDEFAULT,

                          CW_USEDEFAULT, CW_USEDEFAULT,

                          NULL, NULL, hInstance, NULL) ;

     

     ShowWindow (hwnd, iCmdShow) ;

     UpdateWindow (hwnd) ;

     

     while (GetMessage (&msg, NULL, 0, 0))

     {

          TranslateMessage (&msg) ;

          DispatchMessage (&msg) ;

     }

     return msg.wParam ;

}



LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)

{



     HMENU      hMenu ;

     

     switch (message)

     {

     case WM_COMMAND:

          hMenu = GetMenu (hwnd) ;

          

          switch (LOWORD (wParam))

          {

          case IDM_FILE_NEW:

          case IDM_FILE_OPEN:

          case IDM_FILE_SAVE:

          case IDM_FILE_SAVE_AS:

               MessageBox (NULL, TEXT ("Hello"), TEXT ("Top"),0);

               return 0 ;

               

          case IDM_APP_EXIT:

               SendMessage (hwnd, WM_CLOSE, 0, 0) ;

               return 0 ;

          }

          break ;

                        

     case WM_DESTROY:

          PostQuitMessage (0) ;

          return 0 ;

     }

     return DefWindowProc (hwnd, message, wParam, lParam) ;

}

BOOL CALLBACK DlgProc (HWND hdlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
		case WM_SETFOCUS:
			SetFocus(GetDlgItem (hdlg, IDC_LF_HEIGHT));
			return FALSE;
	}
	return FALSE;
}
Last edited on
malibor (649)
It's not easy to understand your question and what you are trying to do.
from what I see, you created dialog resource but don't know how to show it?

you may need to call DialogBoxParam function to create and show the dialog,
second parameter of this function takes a resource ID you made, 4th parameter is window procedure pointer of the dialog.
for the rest of parameters see:
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-dialogboxparama

You need to set this function call every time menu item is clicked or every time some button is clicked to create and show the dialog.

EDITTEXT resource, or what ever resource made with resource editor should be put onto the dialog in design window.

inside the dialog procedure you simply call API's to manipulate the resource such as:
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SetDlgItemText
SendMessage
GetDlgItem

you usually do this on WM_INITDIALOG message.

resources and dialog design are cumbersome and limited on what you can do. it's always better to make controls and dialogs from scrach.

Also consider object oriented design, for example creating C++ classes representing controls, dialogs and windows etc.. instead of procedural approach as shown in you example code.
thmm (703)
@malibor,
creating classes is a good idea, but first you need to understand how the WIN API works. Seems the OP is new to this kind of code.
George P (5573)
Also consider object oriented design, for example creating C++ classes representing controls, dialogs and windows etc.. instead of procedural approach as shown in you example code.

The Microsoft Foundation Class library already did that.

The Win23 API is written in C, not C++.

Creating an edit control at run-time is an alternative:
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#include <windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

const int IDC_EDIT     = 1;
TCHAR     szAppName[]  = TEXT("PopPad");
TCHAR     szAppTitle[] = TEXT("Pop Pad");


int WINAPI WinMain(_In_ HINSTANCE hInstance,
                   _In_opt_ HINSTANCE hPrevInstance,
                   _In_ PTSTR szCmdLine,
                   _In_ int iCmdShow)
{
   HWND      hwnd;
   MSG        msg;
   WNDCLASSEX wc;

   wc.cbSize        = sizeof(WNDCLASSEX);
   wc.hInstance     = hInstance;
   wc.lpszClassName = szAppName;
   wc.lpfnWndProc   = WndProc;
   wc.style         = CS_HREDRAW | CS_VREDRAW;
   wc.hIcon         = (HICON) LoadImage(NULL, IDI_APPLICATION, IMAGE_ICON, 0, 0, LR_SHARED);
   wc.hIconSm       = NULL;
   wc.hCursor       = (HCURSOR) LoadImage(NULL, IDC_ARROW, IMAGE_CURSOR, 0, 0, LR_SHARED);
   wc.lpszMenuName  = NULL;
   wc.cbClsExtra    = 0;
   wc.cbWndExtra    = 0;
   wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);

   if (RegisterClassEx(&wc) == 0)
   {
      MessageBox(NULL, TEXT("Can't Register the Window Class!"),
                 szAppName, MB_OK | MB_ICONERROR);
      return 0;
   }

   hwnd = CreateWindow(szAppName, szAppTitle,
                       WS_OVERLAPPEDWINDOW,
                       CW_USEDEFAULT, CW_USEDEFAULT,
                       CW_USEDEFAULT, CW_USEDEFAULT,
                       NULL, NULL, hInstance, NULL);

   if (hwnd == NULL)
   {
      MessageBox(NULL, TEXT("Unable to Create the Main Window!"),
                 szAppName, MB_OK | MB_ICONERROR);
      return 0;
   }

   ShowWindow(hwnd, iCmdShow);
   UpdateWindow(hwnd);

   while (GetMessage(&msg, NULL, 0, 0))
   {
      TranslateMessage(&msg);
      DispatchMessage(&msg);
   }

   return msg.wParam;
}


LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   static HWND hwndEdit;

   switch (message)
   {
   case WM_CREATE:
      hwndEdit = CreateWindow(TEXT("edit"), NULL,
                              WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL |
                              WS_BORDER | ES_LEFT | ES_MULTILINE |
                              ES_AUTOHSCROLL | ES_AUTOVSCROLL,
                              0, 0, 0, 0, hwnd, (HMENU) IDC_EDIT,
                              ((LPCREATESTRUCT) lParam)->hInstance, NULL);
      return 0;

   case WM_SETFOCUS:
      SetFocus(hwndEdit);
      return 0;

   case WM_SIZE:
      MoveWindow(hwndEdit, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
      return 0;

   case WM_COMMAND:
      if (LOWORD(wParam) == IDC_EDIT)
      {
         if (HIWORD(wParam) == EN_ERRSPACE ||
             HIWORD(wParam) == EN_MAXTEXT)
         {
            MessageBox(hwnd, TEXT("Edit control out of space."),
                       szAppName, MB_OK | MB_ICONSTOP);
         }
      }
      return 0;

   case WM_DESTROY:
      PostQuitMessage(0);
      return 0;
   }

   return DefWindowProc(hwnd, message, wParam, lParam);
}
malibor (649)
Here are awesome code samples that you may find useful for learning to create custom dialogs and controls:
http://winapi.foosyerdoos.org.uk/info/res_dialogs.php

the root page:
http://winapi.foosyerdoos.org.uk/index.php
rjphares (136)
Thanks
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