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# Include <windows.h>
BOOL CALLBACK EnumWindowsProc (HWND hwnd, LPARAM lParam);
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
HWND * win [10];
int now = 0;
HWND mywin;
int size [10] = {0,0,0,0,0,0,0,0,0,0};
HGLOBAL allwin [10];
int keyid [12];
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName [] = TEXT ("HelloWin");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
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 ("This program requires Windows NT!"),
szAppName, MB_ICONERROR);
return 0;
}
hwnd = CreateWindow (szAppName, / / window class name
TEXT ("The Hello Program"), / / window caption
WS_OVERLAPPEDWINDOW, / / window style
CW_USEDEFAULT, / / initial x position
CW_USEDEFAULT, / / initial y position
CW_USEDEFAULT, / / initial x size
CW_USEDEFAULT, / / initial y size
NULL, / / parent window handle
NULL, / / window menu handle
hInstance, / / program instance handle
NULL); / / creation parameters
while (GetMessage (& msg, NULL, 0, 0))
{
TranslateMessage (& msg);
DispatchMessage (& msg);
}
return msg.wParam;
}
BOOL CALLBACK EnumWindowsProc (HWND hwnd, LPARAM lParam)
{
if ((int) hwnd == (int) mywin)
return 0;
int i;
for (i = 0; i <10; i + +)
{
for (int j = 0; j <size [i]; j + +)
{
if (* (win [lParam] + j) == hwnd) / / if the window should be displayed
{
ShowWindow (hwnd, SW_SHOW);
return 0;
}
else
{
if (* (win [now] + j) == hwnd) / / if the window should be hidden
ShowWindow (hwnd, SW_HIDE);
else / / there is no record
{
for (int a = 0; a <10; a + +) / / detect whether other records
{
if (a = lParam)
continue;
for (int b = 0; b <size [a]; b + +)
if (* (win [a] + b) == hwnd)
return true;
}
ShowWindow (hwnd, SW_HIDE);
GlobalUnlock (allwin [lParam]);
GlobalReAlloc (allwin [lParam], (size [i] +1) * sizeof (HDC *), GMEM_MOVEABLE);
win [lParam] = (HWND *) GlobalLock (allwin [lParam]);
size [i] + +;
* (Win [lParam] + size [i]) = hwnd;
}
}
}
}
return true;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_CREATE:
{
mywin = hwnd;
int i;
for (i = 0; i <12; i + +)
if (! RegisterHotKey (hwnd, keyid [i] = GlobalAddAtom ("# 1234")-0xc000, MOD_WIN | MOD_SHIFT, VK_F1 + i))
/ / Register hotkey
MessageBox (0, "Error", "Error", 0);
for (i = 0; i <10; i + +)
if (! (allwin [i] = GlobalAlloc (GMEM_MOVEABLE, 0)))
PostQuitMessage (1);
return 0;
}
case WM_HOTKEY :/ / response hotkey
if (HIWORD (lParam) == VK_F11)
MessageBox (0, "win + F1 to win + F10 is a toggle, F12 to exit. The buildings making", "help", 0);
else
{
if (HIWORD (lParam) == VK_F12)
SendMessage (hwnd, WM_CLOSE, 0,0);
else
{
MessageBox (0, "1", "1", 0);
for (int i = 0; i <10; i + +)
win [i] = (HWND *) GlobalLock (allwin [lParam]);
EnumWindows (& EnumWindowsProc, HIWORD (lParam) -112) ;/ / Enumerate all windows
now = HIWORD (lParam) -112;
}
}
return 0;
case WM_DESTROY:
{
int i;
for (i = 0; i <10; i + +) / / clean up memory
GlobalFree (allwin [i]);
for (i = 0; i <12; i + +)
UnregisterHotKey (hwnd, keyid [i]);
break;
}
case WM_CLOSE:
if (MessageBox (0, "Are you sure you want to quit the multi-screen desktop?" Exit confirmation MB_YESNO) == IDNO)
return 0;
SendMessage (hwnd, WM_DESTROY, 0,0);
PostQuitMessage (1);
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;/ / default processing
}
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