/// <summary>
/// Registers a low-level global mouse system hook.
/// </summary>
///
public static HookHandle SetWindowHook(LowLevelMouseProcedure callback)
{
IntPtr hHook;
NativeMethods.LowLevelHookProc lpfn;
using (Process process = Process.GetCurrentProcess())
using (ProcessModule module = process.MainModule)
{
IntPtr hModule = NativeMethods.GetModuleHandle(module.ModuleName);
lpfn = new NativeMethods.LowLevelHookProc((nCode, wParam, lParam) =>
{
// From
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms644986(v=vs.85).aspx
//
// wParam contains the identifier of the mouse message.
// lParam contains a pointer to a MOUSEHOOKSTRUCT structure.
//
// The wParam can be can be one of the following messages: WM_LBUTTONDOWN,
// WM_LBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_MOUSEHWHEEL, WM_RBUTTONDOWN,
// or WM_RBUTTONUP.
if (nCode < 0)
{
return(NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
MouseLowLevelHookStruct mouseInfo =
(MouseLowLevelHookStruct)Marshal.PtrToStructure(lParam,
typeof(MouseLowLevelHookStruct));
callback((LowLevelMouseMessage)(wParam.ToInt32()), mouseInfo);
return(NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
});
hHook = NativeMethods.SetWindowsHookEx(
NativeMethods.HookType.WH_MOUSE_LL, lpfn, hModule, 0);
}
return(new HookHandle(hHook, lpfn));
}
/// <summary>
/// Registers a low-level global keyboard system hook.
/// </summary>
///
public static HookHandle SetWindowHook(LowLevelKeyboardProcedure callback)
{
IntPtr hHook;
NativeMethods.LowLevelHookProc lpfn;
using (Process process = Process.GetCurrentProcess())
using (ProcessModule module = process.MainModule)
{
IntPtr hModule = NativeMethods.GetModuleHandle(module.ModuleName);
lpfn = new NativeMethods.LowLevelHookProc((nCode, wParam, lParam) =>
{
// From
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms644985(v=vs.85).aspx
//
// wParam contains the identifier of the keyboard message.
// lParam contains a pointer to a KBDLLHOOKSTRUCT structure.
//
// The wParam can be can be one of the following messages: WM_KEYDOWN,
// WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP.
if (nCode < 0)
{
return(NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
KeyboardLowLevelHookStruct keyboardInfo =
(KeyboardLowLevelHookStruct)Marshal.PtrToStructure(lParam,
typeof(KeyboardLowLevelHookStruct));
callback((LowLevelKeyboardMessage)(wParam.ToInt32()), keyboardInfo);
return(NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
});
hHook = NativeMethods.SetWindowsHookEx(
NativeMethods.HookType.WH_KEYBOARD_LL, lpfn, hModule, 0);
}
return(new HookHandle(hHook, lpfn));
}
/// <summary>
/// Registers a low-level global keyboard system hook.
/// </summary>
///
public static HookHandle SetWindowHook(LowLevelKeyboardProcedure callback)
{
IntPtr hHook;
NativeMethods.LowLevelHookProc lpfn;
using (Process process = Process.GetCurrentProcess())
using (ProcessModule module = process.MainModule)
{
IntPtr hModule = NativeMethods.GetModuleHandle(module.ModuleName);
lpfn = new NativeMethods.LowLevelHookProc((nCode, wParam, lParam) =>
{
// From
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms644985(v=vs.85).aspx
//
// wParam contains the identifier of the keyboard message.
// lParam contains a pointer to a KBDLLHOOKSTRUCT structure.
//
// The wParam can be can be one of the following messages: WM_KEYDOWN,
// WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP.
if (nCode < 0)
return NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam);
KeyboardLowLevelHookStruct keyboardInfo =
(KeyboardLowLevelHookStruct)Marshal.PtrToStructure(lParam,
typeof(KeyboardLowLevelHookStruct));
callback((LowLevelKeyboardMessage)(wParam.ToInt32()), keyboardInfo);
return NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam);
});
hHook = NativeMethods.SetWindowsHookEx(
NativeMethods.HookType.WH_KEYBOARD_LL, lpfn, hModule, 0);
}
return new HookHandle(hHook, lpfn);
}
/// <summary>
/// Registers a low-level global mouse system hook.
/// </summary>
///
public static HookHandle SetWindowHook(LowLevelMouseProcedure callback)
{
IntPtr hHook;
NativeMethods.LowLevelHookProc lpfn;
using (Process process = Process.GetCurrentProcess())
using (ProcessModule module = process.MainModule)
{
IntPtr hModule = NativeMethods.GetModuleHandle(module.ModuleName);
lpfn = new NativeMethods.LowLevelHookProc((nCode, wParam, lParam) =>
{
// From
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms644986(v=vs.85).aspx
//
// wParam contains the identifier of the mouse message.
// lParam contains a pointer to a MOUSEHOOKSTRUCT structure.
//
// The wParam can be can be one of the following messages: WM_LBUTTONDOWN,
// WM_LBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_MOUSEHWHEEL, WM_RBUTTONDOWN,
// or WM_RBUTTONUP.
if (nCode < 0)
return NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam);
MouseLowLevelHookStruct mouseInfo =
(MouseLowLevelHookStruct)Marshal.PtrToStructure(lParam,
typeof(MouseLowLevelHookStruct));
callback((LowLevelMouseMessage)(wParam.ToInt32()), mouseInfo);
return NativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam);
});
hHook = NativeMethods.SetWindowsHookEx(
NativeMethods.HookType.WH_MOUSE_LL, lpfn, hModule, 0);
}
return new HookHandle(hHook, lpfn);
}
