众所周知,windows程序的核心就是窗口。
今天我们就来利用最古老的Win32应用来创建一个基本的窗口骨架。
代码如下:
今天我们就来利用最古老的Win32应用来创建一个基本的窗口骨架。
代码如下:
//
DEMO2_3.CPP - A complete windows program
// INCLUDES ////////////////////////////////////////////// /
#define WIN32_LEAN_AND_MEAN // just say no to MFC
#include < windows.h > // include all the windows headers
#include < windowsx.h > // include useful macros
#include < stdio.h >
#include < math.h >
// DEFINES ////////////////////////////////////////////////
// defines for windows
#define WINDOW_CLASS_NAME "WINCLASS1"
// GLOBALS ////////////////////////////////////////////////
// FUNCTIONS //////////////////////////////////////////////
LRESULT CALLBACK WindowProc(HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam)
{
// this is the main message handler of the system
PAINTSTRUCT ps; // used in WM_PAINT
HDC hdc; // handle to a device context
// what is the message
switch (msg)
{
case WM_CREATE:
{
// do initialization stuff here
// return success
return ( 0 );
}
break ;
case WM_PAINT:
{
// simply validate the window
hdc = BeginPaint(hwnd, & ps);
// you would do all your painting here
EndPaint(hwnd, & ps);
// return success
return ( 0 );
}
break ;
case WM_DESTROY:
{
// kill the application, this sends a WM_QUIT message
PostQuitMessage( 0 );
// return success
return ( 0 );
}
break ;
default : break ;
}
// process any messages that we didn't take care of
return (DefWindowProc(hwnd, msg, wparam, lparam));
}
//////////////////////// WINMAIN //////////////////////// //
int WINAPI WinMain( HINSTANCE hinstance,
HINSTANCE hprevinstance,
LPSTR lpcmdline,
int ncmdshow)
{
WNDCLASSEX winclass; // this will hold the class we create
HWND hwnd; // generic window handle
MSG msg; // generic message
// first fill in the window class stucture
winclass.cbSize = sizeof (WNDCLASSEX);
winclass.style = CS_DBLCLKS | CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
winclass.lpfnWndProc = WindowProc;
winclass.cbClsExtra = 0 ;
winclass.cbWndExtra = 0 ;
winclass.hInstance = hinstance;
winclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
winclass.hCursor = LoadCursor(NULL, IDC_ARROW);
winclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
winclass.lpszMenuName = NULL;
winclass.lpszClassName = WINDOW_CLASS_NAME;
winclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
// register the window class
if ( ! RegisterClassEx( & winclass))
return ( 0 );
// create the window
if ( ! (hwnd = CreateWindowEx(NULL, // extended style
WINDOW_CLASS_NAME, // class
" My Basic Window " , // title
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
0 , 0 , // initial x,y
400 , 400 , // initial width, height
NULL, // handle to parent
NULL, // handle to menu
hinstance, // instance of this application
NULL))) // extra creation parms
return ( 0 );
// enter main event loop
while (GetMessage( & msg,NULL, 0 , 0 ))
{
// translate any accelerator keys
TranslateMessage( & msg);
// send the message to the window proc
DispatchMessage( & msg);
}
// return to Windows like this
return (msg.wParam);
}
// INCLUDES ////////////////////////////////////////////// /
#define WIN32_LEAN_AND_MEAN // just say no to MFC
#include < windows.h > // include all the windows headers
#include < windowsx.h > // include useful macros
#include < stdio.h >
#include < math.h >
// DEFINES ////////////////////////////////////////////////
// defines for windows
#define WINDOW_CLASS_NAME "WINCLASS1"
// GLOBALS ////////////////////////////////////////////////
// FUNCTIONS //////////////////////////////////////////////
LRESULT CALLBACK WindowProc(HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam)
{
// this is the main message handler of the system
PAINTSTRUCT ps; // used in WM_PAINT
HDC hdc; // handle to a device context
// what is the message
switch (msg)
{
case WM_CREATE:
{
// do initialization stuff here
// return success
return ( 0 );
}
break ;
case WM_PAINT:
{
// simply validate the window
hdc = BeginPaint(hwnd, & ps);
// you would do all your painting here
EndPaint(hwnd, & ps);
// return success
return ( 0 );
}
break ;
case WM_DESTROY:
{
// kill the application, this sends a WM_QUIT message
PostQuitMessage( 0 );
// return success
return ( 0 );
}
break ;
default : break ;
}
// process any messages that we didn't take care of
return (DefWindowProc(hwnd, msg, wparam, lparam));
}
//////////////////////// WINMAIN //////////////////////// //
int WINAPI WinMain( HINSTANCE hinstance,
HINSTANCE hprevinstance,
LPSTR lpcmdline,
int ncmdshow)
{
WNDCLASSEX winclass; // this will hold the class we create
HWND hwnd; // generic window handle
MSG msg; // generic message
// first fill in the window class stucture
winclass.cbSize = sizeof (WNDCLASSEX);
winclass.style = CS_DBLCLKS | CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
winclass.lpfnWndProc = WindowProc;
winclass.cbClsExtra = 0 ;
winclass.cbWndExtra = 0 ;
winclass.hInstance = hinstance;
winclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
winclass.hCursor = LoadCursor(NULL, IDC_ARROW);
winclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
winclass.lpszMenuName = NULL;
winclass.lpszClassName = WINDOW_CLASS_NAME;
winclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
// register the window class
if ( ! RegisterClassEx( & winclass))
return ( 0 );
// create the window
if ( ! (hwnd = CreateWindowEx(NULL, // extended style
WINDOW_CLASS_NAME, // class
" My Basic Window " , // title
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
0 , 0 , // initial x,y
400 , 400 , // initial width, height
NULL, // handle to parent
NULL, // handle to menu
hinstance, // instance of this application
NULL))) // extra creation parms
return ( 0 );
// enter main event loop
while (GetMessage( & msg,NULL, 0 , 0 ))
{
// translate any accelerator keys
TranslateMessage( & msg);
// send the message to the window proc
DispatchMessage( & msg);
}
// return to Windows like this
return (msg.wParam);
}