Capture Events Not Sent to Panel

Question

Is it possible to capture ALL mouse events sent to any application, not just the events directed to my panel?  Ideally I would also like to be able to cancel them so they do not get processed, or perhaps at least change the coordinates to (0, 0) so they don't do anything.
Tony G

Answer 1

#include <windows.h>
#include <ansi_c.h>
#include <utility.h>
#include <cvirte.h>
int __stdcall DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
switch (fdwReason)
case DLL_PROCESS_ATTACH:
if (InitCVIRTE (hinstDLL, 0, 0) == 0)
return 0; /* out of memory */
break;
case DLL_PROCESS_DETACH:
CloseCVIRTE ();
break;
return 1;
BOOL __stdcall DllEntryPoint (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
return DllMain(hinstDLL, fdwReason, lpvReserved);
LRESULT DLLEXPORT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam)
LRESULT RetVal = 0;
char tcKeyb[256] = {0};
GetKeyboardState (tcKeyb);
printf ("%s - KeyboardProc\n", TimeStr());
RetVal = CallNextHookEx( NULL, nCode, wParam, lParam );
return RetVal;
Main program code:
#include <windows.h>
#include <ansi_c.h>
#include <utility.h>
#include <cvirte.h>
#include <userint.h>
#include "ihm.h"
LRESULT CALLBACK KeyboardProc(int nCode, WPARAM wParam, LPARAM lParam);
static int panelHandle;
int CVICALLBACK Panel_CBk (int panel, int event, void *callbackData,
int eventData1, int eventData2)
switch (event)
case EVENT_GOT_FOCUS:
break;
case EVENT_LOST_FOCUS:
break;
case EVENT_CLOSE:
QuitUserInterface (0);
break;
return 0;
int main (int argc, char *argv[])
unsigned int ThreadId;
HHOOK HookId;
DWORD Error;
HMODULE moduleHandle = 0;
if (InitCVIRTE (0, argv, 0) == 0)
return -1; /* out of memory */
if ((panelHandle = LoadPanel (0, "ihm.uir", PANEL)) < 0)
return -1;
// ThreadId = CmtGetCurrentThreadID();
// HookId = SetWindowsHookEx(WH_KEYBOARD_LL, HookProc, NULL, 0);
moduleHandle = GetModuleHandle ("HookKeyboardDLL.dll");
HookId = SetWindowsHookEx(WH_KEYBOARD, KeyboardProc, moduleHandle, 0);
Error = GetLastError();
DisplayPanel (panelHandle);
RunUserInterface ();
DiscardPanel (panelHandle);
UnhookWindowsHookEx(HookId);
return 0;