private void InstallWinEventHook(ref NativeMethods.WinEventProcDelegate procedure, ref HandleRef handle, bool global, uint eventMin, uint eventMax)
{
var lpModuleName = System.Diagnostics.Process.GetCurrentProcess().MainModule.ModuleName;
var threadId = NativeMethods.GetCurrentThreadId();
// Assign Virtual function.
procedure = new NativeMethods.WinEventProcDelegate(Hook2Procedure);
// Listen for name change changes across all processes/threads on current desktop...
var hookHandle = NativeMethods.SetWinEventHook(
eventMin,
eventMax,
IntPtr.Zero,
procedure,
0,
// Associate hook procedure with current application/thread only.
global ? 0 : threadId,
WINEVENT_OUTOFCONTEXT
);
if (hookHandle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
handle = new HandleRef(null, hookHandle);
}
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 NativeMethods.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 NativeMethods.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 if (hookType == HookType.WH_SHELL)
{
// Listen for events.
hook1Handle = NativeMethods.SetWindowsHookEx((uint)hookType, _Hook1Procedure, hMod, 0);
if (hook1Handle == IntPtr.Zero)
{
var ex = new Win32Exception();
throw new Exception(ex.Message);
}
}
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);
}
}
