Code:
#include <windows.h>
char g_szClassName[] = "myWindowClass";
HINSTANCE hInst;
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
hInst = hInstance;
//Step 1: Registering the Window Class
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
// Step 2: Creating the Window
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The Password Keeper",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
// Step 3: The Message Loop
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_CREATE:
//create a default push button
CreateWindowEx( 0, //more or 'extended' styles
TEXT("BUTTON"), //'class' of control to create
TEXT("DEFAULT PUSH BUTTON"), //the control caption
WS_CHILD|WS_VISIBLE|BS_DEFPUSHBUTTON, //control style: how it looks
10, //control position: left
10, //control position: top
200, //control width
30, //control height
hwnd, //parent window handle
NULL, //control's ID
hInst, //application instance
NULL);
//create a push button
CreateWindowEx( 0, //more or 'extended' styles
TEXT("BUTTON"), //'class' of control to create
TEXT("PUSH BUTTON"), //the control caption
WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON, //control style: how it looks
10, //control position: left
50, //control position: top
200, //control width
30, //control height
hwnd, //parent window handle
NULL, //control's ID
hInst, //application instance
NULL);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}