Замена текста

#include <windows.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
 
#define ID_EDIT 1001
#define ID_BUTTON 1002
 
static TCHAR szWindowClass[] = _T("win32app");
char szClassName[] = "EditClass";
static TCHAR szTitle[] = _T("Количество слов");
HINSTANCE hInst;
 
int w = GetSystemMetrics(SM_CXSCREEN)/2;
int h = GetSystemMetrics(SM_CYSCREEN)/2;
 
HWND hWnd;
 
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
    {
        WNDCLASSEX wcex;
        wcex.cbSize = sizeof(WNDCLASSEX);
        wcex.style = CS_HREDRAW | CS_VREDRAW;
        wcex.lpfnWndProc = WndProc;
        wcex.cbClsExtra = 0;
        wcex.cbWndExtra = 0;
        wcex.hInstance = hInstance;
        wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
        wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
        wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
        wcex.lpszMenuName = NULL;
        wcex.lpszClassName = szWindowClass;
        wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
        
        if (!RegisterClassEx(&wcex))
            {
                MessageBox(NULL, _T("Call to RegisterClassEx failed!"), _T("Win32 Guided Tour"), NULL);
                return 1;
            }
        
        hInst = hInstance; // Store instance handle in our global variable
 
        
HWND hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, w, h, NULL, NULL, hInstance, NULL);
 
if (!hWnd)
{
    MessageBox(NULL, _T("Call to CreateWindow failed!"), _T("Win32 Guided Tour"), NULL);
    return 1;
}
 
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
 
MSG msg;
if (!hWnd) return FALSE;
while (GetMessage(&msg, NULL, 0, 0))
{
    TranslateMessage(&msg);
    DispatchMessage(&msg);
}
return (int) msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static HWND hEdit, hButton;
    char chBuffer[100];
 
    
 
    switch (message)
    {
        case WM_CREATE:
        hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, L"edit", L" ", WS_CHILD | WS_VISIBLE | ES_LEFT | ES_MULTILINE | WS_VSCROLL, 10, 10, 500, 200, hWnd, (HMENU)ID_EDIT, hInst, NULL);
        hButton = CreateWindowEx(0, L"BUTTON", L"Заменить", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 10, 210, 100, 30, hWnd, (HMENU)ID_BUTTON, NULL, 0);
        break;
        case WM_DESTROY:
        PostQuitMessage(0);
        break;
        default: 
            return DefWindowProc(hWnd, message, wParam, lParam);
        break;
    }
    return 0;
}

SendMessage(hEdit, EM_GETSEL, wParam, lParam);

case WM_COMMAND:
switch (LOWORD(wParam)) {
case ID_BUTTON_CHANGE:
GetWindowText ( (HWND)lParam, szText, MAX_LENGTH );
 
for (int i = 0; i < MAX_LENGTH : i++) {
   if (szText[i] != ' ')
     szText[i] = '*'; 
}
SetWindowText ( (HWND)lParam, szText, MAX_LENGTH  );
break;
}
return 0;

case WM_COMMAND:
switch (LOWORD (wParam)) {
case ID_EDIT:
if (HIWORD(wParam) == EN_CHANGE) {
GetWindowText ( (HWND)lParam, szText, MAX_LENGTH  );
for (int i = 0; i < MAX_LENGTH : i++)
   if (szText[i] == ' ')
     qSpace++;
SetWindowText (hwnd, itoa (qSpaces-1,szTemp,10)); //Title of the main window
 
}
break;
return 0;

for (int i = 0; i < MAX_LINE_COUNT; i++)
{
SendMessage(hEdit,EM_GETLINE,i,szBuf); //get  line number i
 
for (int i = 0; i < MAX_LENGTH; i++)
if (szBuf[i] == ' ')
  qSpaces++;
}
SetWindowText (hwnd, itoa (qSpaces-1,szBuf,10)); //Title of the main window

SetWindowText (hWnd, itoa (qSpaces-1, szBuff, 10))

SetWindowText (hWnd, itoa (qSpaces-1, (char)szBuff, 10))

wsprintf (szResult,"%i",&qSpaces);