Re: gcc and Win32 API

[Neil Zanella <nzanella at cs dot mun dot ca>]

On Mon, 16 Oct 2000, Danny Smith wrote:

> GREP (or findstr) and ye shall find.
> Look in wingdi.h:  HGDIOBJ WINAPI GetStockObject(int)
> and then look in libgdi32.a

OK. But how can I compile the following program???

Thanks,

Neil

#include <windows.h>

LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM
lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
                   PSTR szCmdLine, int iCmdShow)
{
  static TCHAR szAppName[] = TEXT("Skeleton");

  WNDCLASS wndclass;
  HWND hwnd;
  MSG msg;

  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("Failed to register class."),
               TEXT("Skeleton Window"), MB_ICONERROR);
    return 0;
  }

  hwnd = CreateWindow(szAppName,
    TEXT("Skeleton Window"),
    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_CREATE:
      return 0;
    case WM_PAINT:
      hdc = BeginPaint(hwnd, &ps);
      GetClientRect(hwnd, &rect);
      DrawText(hdc, TEXT("Hello!"), -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);
}


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