#define WIN32_LEAN_AND_MEAN
#include <windows.h>

#include <iostream>

using namespace std;


static BOOL (WINAPI*SetShellWindow)(HWND);
static BOOL (WINAPI*SetShellWindowEx)(HWND, HWND);


int main()
{
	HINSTANCE shell32 = GetModuleHandle(TEXT("user32"));	// or LoadLibrary()

	SetShellWindow = (BOOL(WINAPI*)(HWND)) GetProcAddress(shell32, "SetShellWindow");
	SetShellWindowEx = (BOOL(WINAPI*)(HWND,HWND)) GetProcAddress(shell32, "SetShellWindowEx");

	HMODULE hinst = GetModuleHandle(0);


	HWND hwnd = CreateWindowEx(0, TEXT("#32770"), TEXT("TEST1"), WS_OVERLAPPEDWINDOW|WS_VISIBLE, 100, 100, 300, 200, 0, 0, hinst, 0);


	BOOL ret = SetShellWindow(hwnd);

	cout << "first call to SetShellWindow(hwnd): " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = SetShellWindow(hwnd);

	cout << "second call to SetShellWindow(hwnd): " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = SetShellWindow(0);

	cout << "reset shell window by SetShellWindow(0): " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = SetShellWindow(hwnd);

	cout << "third call to SetShellWindow(hwnd): " << (ret? "SUCCESS": "FAILURE") << "\n";


	SetWindowLong(hwnd, GWL_EXSTYLE, GetWindowLong(hwnd,GWL_EXSTYLE)|WS_EX_TOPMOST);

	ret = GetWindowLong(hwnd,GWL_EXSTYLE)&WS_EX_TOPMOST? TRUE: FALSE;

	cout << "SetWindowExStyle(hwnd, WS_EX_TOPMOST): " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = DestroyWindow(hwnd);

	cout << "DestroyWindow(hwnd): " << (ret? "SUCCESS": "FAILURE") << "\n";


	HWND hwnd2 = CreateWindowEx(WS_EX_TOPMOST, TEXT("#32770"), TEXT("TEST2"), WS_OVERLAPPEDWINDOW|WS_VISIBLE, 150, 250, 300, 200, 0, 0, hinst, 0);

	ret = SetShellWindow(hwnd2);

	cout << "SetShellWindow(hwnd2) with WS_EX_TOPMOST: " << (ret? "SUCCESS": "FAILURE") << "\n";


	HWND hwnd3 = CreateWindowEx(0, TEXT("#32770"), TEXT("TEST3"), WS_OVERLAPPEDWINDOW|WS_VISIBLE, 200, 400, 300, 200, 0, 0, hinst, 0);

	ret = SetShellWindow(hwnd3);

	cout << "SetShellWindow(hwnd3): " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = SetWindowPos(hwnd3, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);

	cout << "SetWindowPos(hwnd3, HWND_TOPMOST): " << (ret? "SUCCESS": "FAILURE") << "\n";


	HWND hwnd4 = CreateWindowEx(0, TEXT("#32770"), TEXT("TEST4"), WS_OVERLAPPEDWINDOW|WS_VISIBLE, 250, 500, 300, 200, 0, 0, hinst, 0);


	cout << "SetWindowPos(hwnd3, hwnd4: " << (ret? "SUCCESS": "FAILURE") << "\n";


	ret = SetShellWindow(hwnd4);

	cout << "SetShellWindow(hwnd4): " << (ret? "SUCCESS": "FAILURE") << "\n";


	HWND hwnd5 = CreateWindowEx(0, TEXT("#32770"), TEXT("TEST5"), WS_OVERLAPPEDWINDOW|WS_VISIBLE, 300, 600, 300, 200, 0, 0, hinst, 0);

	ret = SetWindowPos(hwnd3, hwnd5, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
	UpdateWindow(hwnd3);
	UpdateWindow(hwnd4);
	GdiFlush();

	cout << "SetWindowPos(hwnd3, hwnd5): " << (ret? "SUCCESS": "FAILURE") << "\n";


	MSG msg;

	while(GetMessage(&msg, 0, 0, 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}


	return 0;
}