hey, this code I wrote wont work. The 2nd and 3rd buttons wont show up in the program.
#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 = 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 color 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 */
"Tyson's research project!", /* Title Text */
WS_OVERLAPPEDWINDOW, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
1200, /* The programs width */
1000, /* 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)
{
switch (message) /* handle the messages */
{
case WM_CREATE:
CreateWindow(TEXT("button"), TEXT("Introduction to C++"),
WS_VISIBLE | WS_CHILD,
10, 10, 140, 30,
hwnd, (HMENU) 1, NULL, NULL
);
case WM_COMMAND:
if (LOWORD(wParam) == 1)
{
MessageBox(hwnd, "C++ is a programming language that not alot of programmers use."
" I like to use it because I can understand some of the simple code that you can use."
" If you know a programming language, you can consider yourself a bilinguist."
" C++ is an addon to the C language and was created by Bjarne Stroustrup"
". Some people say that C++ is worse than C "
"because C++ has a way of creating a large amount of memory in your hard drive "
"if you include an infinite loop in a program. C++ is a very rare programming language.", "Introduction to C++", MB_OK | MB_ICONINFORMATION);
}
break;
switch (message)
{
case WM_CREATE:
CreateWindow(TEXT("button"), TEXT("Some cool C++ features"),
WS_VISIBLE | WS_CHILD,
170, 10, 160, 30,
hwnd, (HMENU) 2, NULL, NULL
);
case WM_COMMAND:
if(LOWORD(wParam) == 2)
{
MessageBox(hwnd, "C++ has some cool features. I really like to use the beep feature. You can"
" see what it does when you click on the BEEP button in the main menu. Another feature is the debug feature"
". It can be really helpful when your creating a large program. It can find a bug in the program and try to "
"run the program again. Another feature is the infinite loop. It is the most helpful when making a game."
" What it does is it loops a certain part of a program unlimited times. There are a ton of other features "
" but it would take me forever to explain them all.", "Some cool C++ features", MB_OK | MB_ICONINFORMATION);
}
}
break;
switch (message)
{
case WM_CREATE:
CreateWindow(TEXT("button"), TEXT("Beep feature"),
WS_VISIBLE | WS_CHILD,
350, 10, 120, 30,
hwnd, (HMENU) 3, NULL, NULL
);
case WM_COMMAND:
if(LOWORD(wParam) == 3)
{
MessageBox(hwnd,"The button feature is quite annoying.", "Beep feature", MB_OK | MB_ICONINFORMATION);
Beep (12000, 3000);
}
}
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;
}
are there any solutions?