private static extern IntPtr SetWindowsHookEx(int idHook, HookProcDelegate lpfn, IntPtr hMod, int dwThreadId);
internal static extern IntPtr SetWindowsHookEx(uint hookid, HookProcDelegate pfnhook, HandleRef hinst, uint threadid);
public static extern int SetWindowsHookEx(int idHook, HookProcDelegate lpfn, IntPtr hInstance, int threadId);
static extern IntPtr SetWindowsHookEx(int idHook, HookProcDelegate lpfn, IntPtr hMod, uint dwThreadId);
public static extern IntPtr SetWindowsHookEx(WindowsHookType hookType, HookProcDelegate lpfn, IntPtr hMod, UInt32 dwThreadId);
public static extern IntPtr SetWindowsHookEx(HookType hookType, HookProcDelegate lpfn, IntPtr hModule, uint dwThreadId);
protected void InstallHook(HookType hookType, bool global)
{
lock (HookLock)
{
// If hook is installed already then return.
_hookType = hookType;
if (hook1handleRef.Handle != IntPtr.Zero)
{
return;
}
string lpModuleName = System.Diagnostics.Process.GetCurrentProcess().MainModule.ModuleName;
var hMod = NativeMethods.GetModuleHandle(lpModuleName);
// Assign Virtual function.
_Hook1Procedure = new HookProcDelegate(Hook1Procedure);
IntPtr hook1Handle;
if (hookType == HookType.WH_MOUSE)
{
uint threadId = NativeMethods.GetCurrentThreadId();
// Listen for events.
hook1Handle = NativeMethods.SetWindowsHookEx(
(uint)hookType,
_Hook1Procedure,
hMod,
// Associate hook procedure with current application/thread only.
threadId
);
if (hook1Handle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
_Hook2Procedure = new WinEventProcDelegate(Hook2Procedure);
// Listen for name change changes across all processes/threads on current desktop...
var hook2Handle = NativeMethods.SetWinEventHook(
EVENT_OBJECT_NAMECHANGE,
EVENT_OBJECT_NAMECHANGE,
IntPtr.Zero,
_Hook2Procedure,
0,
// Associate hook procedure with current application/thread only.
global ? 0 : threadId,
WINEVENT_OUTOFCONTEXT
);
if (hook2Handle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
hook2handleRef = new HandleRef(null, hook2Handle);
// Listen for name change changes across all processes/threads on current desktop...
var hook3Handle = NativeMethods.SetWinEventHook(
EVENT_OBJECT_SHOW,
EVENT_OBJECT_SHOW,
IntPtr.Zero,
_Hook2Procedure,
0,
// Associate hook procedure with current application/thread only.
global ? 0 : threadId,
WINEVENT_OUTOFCONTEXT
);
if (hook3Handle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
hook3handleRef = new HandleRef(null, hook3Handle);
}
else
{
// Listen for events.
hook1Handle = NativeMethods.SetWindowsHookEx((uint)hookType, _Hook1Procedure, hMod, 0);
if (hook1Handle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
}
hook1handleRef = new HandleRef(null, hook1Handle);
}
}
