Tekst i WinApi's

Kode 

#include <windows.h>

LRESULT CALLBACK MainWndProc (HWND hwnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
    switch(nMsg)
    {
        case WM_CREATE:
        {

        }
        break;

        case WM_DESTROY:
        PostQuitMessage (0);
        break;
    }
    DefWindowProc(hwnd, nMsg, wParam, lParam);
}
int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow)
{
    WNDCLASSEX wc;
    char*szWndClassName;

memset (&wc, 0, sizeof(WNDCLASSEX));
wc.lpszClassName = szWndClassName;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = MainWndProc;
wc.hInstance = hInst;
wc.hIcon = LoadIcon(NULL, NULL);
wc.hIconSm = LoadIcon(NULL, NULL);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
RegisterClassEx (&wc);

MSG msg;
HWND hwnd;

hwnd = CreateWindow(szWndClassName, "Vindue...", WS_OVERLAPPEDWINDOW, 0, 0, 500, 500, NULL, NULL, hInst, NULL);

ShowWindow(hwnd, nShow);
UpdateWindow(hwnd);

while(GetMessage(&msg, NULL, 0, 0) > 0)
{
    TranslateMessage(&msg);
    DispatchMessage(&msg);
}
return msg.wParam;
}