WIN32SDK's Hello,world program

For the first time, write the Win32gui program with Code::Blocks, with reference to GDI + groping for half a day. The SDK is tiring to write the GUI, and later it's about QT or some other way.

Code:

/***code by Lichmama from cnblogs.com* @platfrom: code::blocks 13.12/windows XP*/#ifDefined (UNICODE) &&!defined (_UNICODE)#define_unicode#elifDefined (_UNICODE) &&!defined (UNICODE)#defineUnicode#endif#include<tchar.h>#include<windows.h>#include". \gdiplus.h"#defineBUTTON 101#defineWs_ex_layered 0x80000#defineGwl_exstyle (-20)#defineLwa_alpha 2#defineSc_dragmove 0xf012/*Declare Windows Procedure*/LRESULT CALLBACK windowprocedure (HWND, UINT, WPARAM, LPARAM); typedef BOOL (WINAPI*Pfslwa) (HWND hwnd, COLORREF CR, BYTE Balpha, DWORD dwFlags); Pfslwa setlayeredwindowattributes;/*Make the class name into a global variable*/TCHAR szclassname[]= _t ("Codeblockswindowsapp");intWINAPI WinMain (hinstance hthisinstance, hinstance hprevinstance, LPSTR lpsza Rgument,intncmdshow)               {HWND hwnd; /*The handle for our window*/MSG messages; /*Here messages to the application is saved*/Wndclassex Wincl; /*Data structure for the Windowclass*/    /*The Window structure*/wincl.hinstance=hthisinstance; Wincl.lpszclassname=Szclassname; Wincl.lpfnwndproc= Windowprocedure;/*This function was called by Windows*/Wincl.style= Cs_dblclks;/*Catch double-clicks*/wincl.cbsize=sizeof(Wndclassex); /*Use default icon and Mouse-pointer*/Wincl.hicon=LoadIcon (NULL, idi_application); WINCL.HICONSM=LoadIcon (NULL, idi_application); Wincl.hcursor=loadcursor (NULL, Idc_arrow); Wincl.lpszmenuname= NULL;/*No Menu*/Wincl.cbclsextra=0;/*No Extra bytes after the window class*/Wincl.cbwndextra=0;/*structure or the window instance*/    /*Use Windows ' s default colour as the background of the window*/Wincl.hbrbackground=(Hbrush) Color_background; /*Register the window class, and if it fails quit the program*/    if(! RegisterClassEx (&Wincl)) return 0; /*the class is registered, let's Create the program*/hwnd=CreateWindowEx (0,/*Extended possibilites for variation*/Szclassname,/*Classname*/NULL,//_t ("Code::Blocks Template Windows App"),/* Title Text */Ws_popup,//Ws_overlappedwindow,/* Default window * /            -,/*Windows decides the position*/            -,/*where the window ends up in the screen*/           770,/*The programs width*/            +,/*and height in pixels*/Hwnd_desktop,/*The window is a child-window to desktop*/NULL,/*No Menu*/Hthisinstance,/*Program Instance Handler*/NULL/*No Window Creation data*/           ); /*Make the window visible in the screen*/ulong_ptr Gdiplustoken;    Gdiplus::gdiplusstartupinput Gdiplusinput; Gdiplusstartup (&gdiplustoken, &gdiplusinput, NULL);    ShowWindow (hwnd, ncmdshow); /*Run the message loop. It'll run until GetMessage () returns 0*/     while(GetMessage (&messages, NULL,0,0))    {        /*Translate Virtual-key messages into character messages*/TranslateMessage (&messages); /*Send message to Windowprocedure*/DispatchMessage (&messages); }    /*The program Return-value was 0-the value that PostQuitMessage () gave*/Gdiplus::gdiplusshutdown (Gdiplustoken); returnMessages.wparam;}/*This function was called by the Windows function dispatchmessage ()*/LRESULT CALLBACK Windowprocedure (HWND hwnd, UINT message, WPARAM WPARAM, LPARAM LPARAM) {Switch(message)/*Handle the Messages*/    {         Casewm_create://SetWindowLong (hwnd, Gwl_style, GetWindowLong (hwnd, Gwl_style) & ~ws_caption); //SetWindowPos (hwnd, NULL, 0, 0, 0, 0, swp_nosize| swp_nozorder| Swp_drawframe);SetWindowRgn (hwnd, CREATEROUNDRECTRGN (0,0,770, +, the, the), TRUE); SetWindowLong (hwnd, Gwl_exstyle, GetWindowLong (hwnd, Gwl_exstyle)|ws_ex_layered);                {hmodule hmod; Hmod= (hmodule) LoadLibrary ("user32.dll"); SetLayeredWindowAttributes= (Pfslwa) GetProcAddress (Hmod,"setlayeredwindowattributes"); SetLayeredWindowAttributes (hwnd,0, -, Lwa_alpha);            CloseHandle (HMOD); }             Break;  Casewm_paint: {paintstruct ps;                Hbitmap hbmp;                BITMAP bmp;                HDC HMEMDC;                HDC hdc; BeginPaint (hwnd,&PS); HDC=GETWINDOWDC (HWND); Hbmp=(HBITMAP) LoadImage (NULL,"d:\\12.bmp", Image_bitmap,0,                    0, Lr_defaultsize|lr_loadfromfile); GetObject (hbmp,sizeof(BMP), &BMP); HMEMDC=CreateCompatibleDC (NULL);                SelectObject (HMEMDC, hbmp); BITBLT (HDC,0,0, Bmp.bmwidth, Bmp.bmheight, HMEMDC,0,0, srccopy);                DeleteObject (hbmp);                DeleteDC (HMEMDC);                ReleaseDC (hwnd, HDC); EndPaint (hwnd,&PS);                } {paintstruct ps;                HDC hdc;                UINT width;                UINT height; WCHAR file[]={l"D:\\3.png"}; BeginPaint (hwnd,&PS); HDC=GETWINDOWDC (HWND); Gdiplus::gpimage*image; Gdiplus::gpgraphics*Graphics; Gdiplus::D llexports::gdiploadimagefromfile (file,&image); Gdiplus::D LLEXPORTS::GDIPCREATEFROMHDC (HDC,&graphics); Gdiplus::D llexports::gdipgetimagewidth (Image,&width); Gdiplus::D llexports::gdipgetimageheight (Image,&height); Gdiplus::D llexports::gdipdrawimagerect (graphics, image, the,Ten, width*0.1, height*0.1);                Gdiplus::D llexports::gdipdisposeimage (image);                Gdiplus::D llexports::gdipdeletegraphics (graphics);                ReleaseDC (hwnd, HDC); EndPaint (hwnd,&PS); }             Break;  Casewm_lbuttondown: {//(700,10)-(751.61)UINT cx=LoWord (LParam); UINT Cy=HiWord (LParam); if(cx>= the&& cx<=751){                    if(cy>=Ten&& cy<= A){                        if(The MessageBox (hwnd,"do you want to quit the program?","MessageBox", mb_yesno) = =Idyes)                        DestroyWindow (HWND);  Break; }}} SendMessage (Hwnd,wm_syscommand,sc_dragmove,0);  Break;  CaseWm_destroy:postquitmessage (0);/*send a wm_quit to the message queue*/             Break; default:/*For messages so we don ' t deal with*/            returnDefWindowProc (hwnd, message, WParam, LParam); }    return 0;}

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