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#include <windows.h>
// Make global
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
static char gszClassName[] = "darkblue";
static HINSTANCE ghInstance = NULL;
#define ID_5SECONDS 101
UINT TimerID = 0;
BOOL bFlag = TRUE;
HWND hWnd;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
WNDCLASSEX WndClass;
MSG Msg;
ghInstance = hInstance;
WndClass.cbSize = sizeof(WNDCLASSEX);
WndClass.style = NULL;
WndClass.lpfnWndProc = WndProc;
WndClass.cbClsExtra = 0;
WndClass.cbWndExtra = 0;
WndClass.hInstance = ghInstance;
WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
WndClass.lpszMenuName = NULL;
WndClass.lpszClassName = gszClassName;
WndClass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&WndClass)) {
MessageBox(0, "Window Registration Failed!", "Error!", MB_ICONSTOP | MB_OK);
return 0;
}
hWnd = CreateWindowEx(
WS_EX_STATICEDGE,
gszClassName,
" Test Program",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
320, 240,
NULL, NULL,
ghInstance,
NULL);
if(hWnd == NULL) {
MessageBox(0, "Window Creation Failed!", "Error!", MB_ICONSTOP | MB_OK);
return 0;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
// set up our timer
TimerID = SetTimer( hWnd , ID_5SECONDS , 1 *1000 , NULL);
while(GetMessage(&Msg, NULL, 0, 0)) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
class WriteText
{
public:
HDC hdc;
PAINTSTRUCT ppaint;
WriteText(int iXpos, int iYpos)
{
LPSTR szMessage_1 = "Text string #1!";
LPSTR szMessage_2 = "Text string #2!";
hdc = BeginPaint(hWnd, &ppaint);
if (bFlag == TRUE) {
TextOut(hdc, iXpos, iYpos, szMessage_1, strlen(szMessage_1));
} else {
TextOut(hdc, iXpos, iYpos, szMessage_2, strlen(szMessage_2));
}
EndPaint(hWnd, &ppaint);
}
};
LRESULT CALLBACK WndProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam) {
switch(Message) {
case WM_PAINT:
WriteText(70,50);
break;
case WM_TIMER:
// Flip between TRUE AN FALSE every 1 soconds
bFlag = !bFlag;
// Call WM_PAINT when free
InvalidateRect(hWnd, NULL, NULL);
break;
case WM_CLOSE:
DestroyWindow(hWnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, Message, wParam, lParam);
}
return 0;
}
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