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#include <windows.h>
#include <sstream>
#include <string.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 */
HDC hdc;
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 = GetSysColorBrush(COLOR_3DFACE);
/* 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 */
"AAF App", /* Title Text */
WS_SYSMENU, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
500, /* The programs width */
375, /* 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;
}
#define ID_BTN 1
#define ID_TEXTBOX 2
#define ID_TEXTBOX2 3
#define ID_TEXTBOX4 4
static HWND hwndTextbox;
static HWND hwndAnswerbox;
std::stringstream ss;
int NumFIN = 10;
void Func(){
MessageBox(NULL, NumFIN+"", "Message Box", MB_OK);
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int len = GetWindowTextLength(hwndTextbox) + 1;
static char title[50];
char NumConverted = 0;
switch (message) /* handle the messages */
{
case WM_CREATE:{
hwndTextbox = CreateWindow(TEXT("EDIT"), TEXT(""),
WS_VISIBLE | WS_CHILD | WS_BORDER | ES_NUMBER | ES_MULTILINE | WS_VSCROLL,
10,50, 250, 265,
hwnd, (HMENU) ID_TEXTBOX, NULL, NULL
);
hwndAnswerbox = CreateWindow(TEXT("EDIT"), TEXT(""),
WS_VISIBLE | WS_CHILD | WS_BORDER | ES_READONLY | ES_CENTER | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE,
270, 100, 200, 215,
hwnd, (HMENU) ID_TEXTBOX2, NULL, NULL
);
CreateWindow(TEXT("EDIT"), TEXT("Final Answer"),
WS_VISIBLE | WS_CHILD | WS_BORDER | ES_READONLY | ES_CENTER,
300, 50, 125, 25,
hwnd, (HMENU) ID_TEXTBOX4, NULL, NULL
);
CreateWindow(TEXT("button"), TEXT("Compute"),
WS_VISIBLE | WS_CHILD,
10, 10, 250, 30,
hwnd, (HMENU) ID_BTN, NULL, NULL
);
break;
}
case WM_COMMAND:{
// this is pretty much a function that will handle
// button events and
// Actions for default buttons
if (LOWORD(wParam) == ID_BTN){
//create default variables
GetWindowText(hwndTextbox, title, len);
// create the message box
if (len > 0){
// NumFIN = GetDlgItemInt(hwndTextbox, ID_TEXTBOX, NULL, NULL);
ss <<NumFIN;
ss >>NumConverted;
Func();
//TextOut(hdc, 300, 5, NumConverted, len);
SetWindowText(hwndAnswerbox, NumConverted+"");
// MessageBox(hwnd, "Too Long", "Message Box", MB_OK);
}else{
MessageBox(hwnd, "Too Short", "Message Box", MB_OK);
}
}
break;
}
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;
}
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