#include 
     
       #include 
      
        #include "resource.h" TCHAR DlgName[]=TEXT("MyDialog"); TCHAR AppName[]=TEXT("Dialog");; //TCHAR TestString[]=TEXT("hello world"); TCHAR buffer1[512]; TCHAR buffer2[512]; TCHAR *buffer3=NULL; int a=0,b=0,c=0; HINSTANCE g_hInstance; INT_PTR CALLBACK WinProc(HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam); int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ) {
       g_hInstance=hInstance;     DialogBoxParam(hInstance,DlgName,NULL,(DLGPROC)WinProc,NULL); return 0; } INT_PTR CALLBACK WinProc(HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam) {
   switch(Msg)     {
   case WM_INITDIALOG:         SetFocus(GetDlgItem(hWnd,IDC_EDIT1)); break; case WM_COMMAND: if (lParam==0)         {
   switch(wParam)             {
   case ID_TESTCONTROL_GETTEXT:                 GetDlgItemText(hWnd,IDC_EDIT1,buffer3,512);                 MessageBox(hWnd,buffer3,AppName,MB_OK); break; case ID_TESTCONTROL_CLEARTEXT:                 SetDlgItemText(hWnd,IDC_EDIT1,NULL);                 SetDlgItemText(hWnd,IDC_EDIT2,NULL);                 SetDlgItemText(hWnd,IDC_EDIT3,NULL); break; case ID_TESTCONTROL_EXIT:                 EndDialog(hWnd,NULL); break;             }         } else         {
   if (HIWORD(wParam)==BN_CLICKED)             {
   switch(LOWORD(wParam))                 {
   case IDOK:                     GetDlgItemText(hWnd,IDC_EDIT1,buffer1,512);                     GetDlgItemText(hWnd,IDC_EDIT2,buffer2,512);                     a=_ttoi(buffer1);                     b=_ttoi(buffer2);                     c=a+b; //    buffer3=;                     SetDlgItemText(hWnd,IDC_EDIT3,buffer3); break; case IDCANCEL:                     EndDialog(hWnd,NULL); break;                 }             }         } break; default: return FALSE;     } return TRUE; }
      
     

***.rc:

MYDIALOG DIALOGEX 0, 0, 419, 204 STYLE DS_SETFONT | DS_MODALFRAME | DS_3DLOOK | DS_FIXEDSYS | DS_CENTER | WS_MINIMIZEBOX | WS_VISIBLE | WS_CAPTION | WS_SYSMENU CAPTION "Dialog" MENU IDR_MENU2 FONT 8, "MS Shell Dlg", 400, 0, 0x1 BEGIN     DEFPUSHBUTTON   "确定",IDOK,181,10,50,14     PUSHBUTTON      "取消",IDCANCEL,185,31,50,14     EDITTEXT        IDC_EDIT1,27,9,50,17,ES_AUTOHSCROLL     EDITTEXT        IDC_EDIT2,101,8,52,18,ES_AUTOHSCROLL     EDITTEXT        IDC_EDIT3,63,35,51,17,ES_AUTOHSCROLL     CONTROL         "",IDC_STATIC,"Static",SS_BLACKFRAME,101,71,175,110 END / // // Menu // IDR_MENU2 MENU BEGIN     POPUP "test control"     BEGIN         MENUITEM "get text",                    ID_TESTCONTROL_GETTEXT         MENUITEM "clear text",                  ID_TESTCONTROL_CLEARTEXT         MENUITEM "exit",                        ID_TESTCONTROL_EXIT     END END

***.h:

#define IDD_DIALOG1                     101 #define IDR_MENU1                       102 #define IDR_MENU2                       103 #define IDC_EDIT1                       1001 #define IDC_EDIT2                       1002 #define IDC_EDIT3                       1003 #define ID_TESTCONTROL_GETTEXT          40001 #define ID_TESTCONTROL_CLEARTEXT        40002 #define ID_TESTCONTROL_EXIT             40003 // Next default values for new objects // #ifdef APSTUDIO_INVOKED #ifndef APSTUDIO_READONLY_SYMBOLS #define _APS_NEXT_RESOURCE_VALUE        104 #define _APS_NEXT_COMMAND_VALUE         40004 #define _APS_NEXT_CONTROL_VALUE         1004 #define _APS_NEXT_SYMED_VALUE           101 #endif #endif