Answer Posted / nandu

// 2709test1.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "2709test1.h"
#include <windows.h>
#define ID_EDIT 1
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK EditProc (HWND, UINT, WPARAM, LPARAM);
TCHAR szAppName[] = TEXT ("PopPad1") ;
WNDPROC OldEdit ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE
hPrevInstance, LPSTR 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 = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, szAppName,
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)
{
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) ID_EDIT,
((LPCREATESTRUCT) lParam) -> hInstance, NULL) ;
OldEdit = (WNDPROC) SetWindowLong (hwndEdit, GWL_WNDPROC,
(LPARAM) EditProc);
return 0 ;
case WM_SETFOCUS :
SetFocus (hwndEdit) ;
return 0 ;
case WM_SIZE :
MoveWindow (hwndEdit, 100,100, 100, 20, TRUE) ;
return 0 ;
case WM_COMMAND :
if (LOWORD (wParam) == ID_EDIT)
if (HIWORD (wParam) == EN_ERRSPACE ||
HIWORD (wParam) == EN_MAXTEXT)
MessageBox (hwnd, TEXT ("Edit control out of
space."),szAppName, MB_OK) ;
return 0 ;
case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;

}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
LRESULT CALLBACK EditProc (HWND hwnd, UINT message, WPARAM
wParam, LPARAM lParam)
{
TCHAR ARR[100];
TCHAR buff[1024];


if (message == WM_KEYDOWN && wParam == VK_RETURN)
{

GetWindowText( hwnd, buff, 1024);



MessageBox( hwnd, buff, L"TEST", MB_OK);
}

return CallWindowProc (OldEdit, hwnd, message, wParam,
lParam) ;
}

what is the stack size in win 32 program

932

---

to take three string inputs in a two dimensional array of 3 rows and 15 columns and write a function that prints them.

2157

---

explain WM_PAINT message ?????

2765

---

What is System call executable binary file into a process?

669

---

What is an Hash Mapping in java?

2553

---

---

What is GDI object?

685

---

What Message to limit the size of window?

659

---

What is Function entry for DLL in win3.1?

660

---

What is preemption and context switching?

652

---