Tekst i Windows vindue

kikker med..

Prøv at sætte en blok som:

    case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;
         
          GetClientRect (hwnd, &rect) ;
         
          DrawText (hdc, TEXT ("Testing!"), -1, &rect,
                    DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
         
          EndPaint (hwnd, &ps) ;
          return 0 ;
         
ind i WindowProcedure switchen !

WindowProcedure skal så have disse erklæringer:

    HDC        hdc ;
    PAINTSTRUCT ps ;
    RECT        rect ;

Jeg har hapset det fra dette komplette eksempel:

#include <windows.h>

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
    static TCHAR szAppName[] = TEXT ("Test") ;
    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,
                          TEXT ("AVU Win32 GUI"),
                          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)
{
    HDC        hdc ;
    PAINTSTRUCT ps ;
    RECT        rect ;
   
    switch (message)
    {
    case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;
         
          GetClientRect (hwnd, &rect) ;
         
          DrawText (hdc, TEXT ("Testing!"), -1, &rect,
                    DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
         
          EndPaint (hwnd, &ps) ;
          return 0 ;
         
    case WM_DESTROY:
          PostQuitMessage (0) ;
          return 0 ;
    }
    return DefWindowProc (hwnd, message, wParam, lParam) ;
}

som kører (det er lavet efter Petzolds bog).

Kan du ikke sætte de koder ind i den store kode??

Mange tak!

Jo.

Giv mig lige 2 minutter.

k

#include <iostream.h>
#include <stdlib.h>
#include <windows.h>

/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[ ] = "WindowsApp";
int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil)

{
    HWND hwnd;              /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */

    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is 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 = 0; /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use light-gray as the background of the window */
    wincl.hbrBackground = (HBRUSH) GetStockObject(LTGRAY_BRUSH);

    /* Register the window class, if fail 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 */
          "Web-html",        /* Title Text */
          WS_OVERLAPPEDWINDOW, /* default window */
          CW_USEDEFAULT,      /* Windows decides the position */
          CW_USEDEFAULT,      /* where the window ends up on the screen */
          800,                /* The programs width */
          600,                /* 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 on the screen */
    ShowWindow(hwnd, nFunsterStil);
    /* Run the message loop. It will 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 is 0 - The value that PostQuitMessage( ) gave */
    return messages.wParam;
}

/* This function is called by the Windows function DispatchMessage( ) */
LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
  HDC        hdc ;
    PAINTSTRUCT ps ;
    RECT        rect ;
        switch (message)                  /* handle the messages */
    {
  case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;
       
          GetClientRect (hwnd, &rect) ;
       
          DrawText (hdc, TEXT ("Testing!"), -1, &rect,
                    DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
       
          EndPaint (hwnd, &ps) ;
          return 0 ;
            case WM_DESTROY:
          PostQuitMessage(0);        /* send a WM_QUIT to the message queue */
          break;
          default:                  /* for messages that we don't deal with */
          return DefWindowProc(hwnd, message, wParam, lParam);
    }




          return 0;

}

Jeg prøve lige at compile + køre og den skrev pænt testing midt i vinduet.

bG'en på teksten bliver hvis, men bg på vinduet er grå :S

Har du MSN

Jeres kode har:

wincl.hbrBackground = (HBRUSH) GetStockObject(LTGRAY_BRUSH);

det giver grå baggrund !

Ikke MSN, ICQ eller anden IM.

Kun gammeldages email.

ok, kan vi ikke lige maile sammen, jeg skal bruge lidt hjælp til noget andet!!


Min mail er webmaster@web-html.dk