Sorry, zaboravio sam source:
Code:
#define _WIN32_WINNT 0x0400
#include <Windows.h>
void OnTop();
LRESULT CALLBACK LowLevelKeyboardProc(int nCode,
WPARAM wParam, LPARAM lParam) {
BOOL fEatKeystroke = FALSE;
if (nCode == HC_ACTION) {
switch (wParam) {
case WM_KEYDOWN: case WM_SYSKEYDOWN:
case WM_KEYUP: case WM_SYSKEYUP:
PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT) lParam;
fEatKeystroke =
((p->vkCode == VK_TAB) && ((p->flags & LLKHF_ALTDOWN) != 0)) ||
((p->vkCode == VK_ESCAPE) &&
((p->flags & LLKHF_ALTDOWN) != 0)) ||
((p->vkCode == VK_ESCAPE) && ((GetKeyState(VK_CONTROL) &
0x8000) != 0));
break;
}
}
return(fEatKeystroke ? 1 : CallNextHookEx(NULL, nCode, wParam,
lParam));
}
int WINAPI WinMain(HINSTANCE hinstExe, HINSTANCE, PTSTR pszCmdLine, int) {
HHOOK hhkLowLevelKybd = SetWindowsHookEx(WH_KEYBOARD_LL,
LowLevelKeyboardProc, hinstExe, 0);
MessageBox(NULL,
TEXT("System combination of keys is disabled.\n")
TEXT("Click OK to terminate this application and enable combinations"),
TEXT("Try to press ALT-TAB, CTRL-ESC or ALT-ESC!"), MB_OK);
UnhookWindowsHookEx(hhkLowLevelKybd);
return(0);
}
void OnTop()
{
MessageBox(NULL,
TEXT("You have pressed forbiden combination!\n")
TEXT("Click OK to close this message box"),
TEXT("Forbiden!"), MB_OK);
}
Znaci sve sam pokusavao ali nikako da lepo pozovem OnTop() funkciju posle ALT-TAB, CTRL-ESC ili ALT-ESC