private static int OnKey(int msg, NativeMethods.KBDLLHOOKSTRUCT key)
{
var result = 0;
foreach (var notificationEntry in NotificationEntries)
{
// It error code is Null, have to ignore the exception
// For some unknow raison, sometime GetFocuseWindows throw an exception
// Mainly when the station is unlocked, or after an admin password is asked
try
{
if (GetFocusWindow() != notificationEntry.WindowHandle || notificationEntry.KeyCode != key.vkCode)
{
continue;
}
var modifierKeys = GetModifierKeyState();
if (!ModifierKeysMatch(notificationEntry.ModifierKeys, modifierKeys))
{
continue;
}
var wParam = new IntPtr(msg);
var lParam = new HookKeyMsgData
{
KeyCode = key.vkCode,
ModifierKeys = modifierKeys,
WasBlocked = notificationEntry.Block
};
if (!PostMessage(notificationEntry.WindowHandle, HookKeyMsg, wParam, lParam))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (notificationEntry.Block)
{
result = 1;
}
}
catch (Win32Exception e)
{
if (e.NativeErrorCode != 0)
{
throw;
}
}
}
return(result);
}
private static int OnKey(Int32 msg, Win32.KBDLLHOOKSTRUCT key)
{
var result = 0;
foreach (var notificationEntry in NotificationEntries)
{
try
{
if (GetFocusWindow() == notificationEntry.WindowHandle && notificationEntry.KeyCode == key.vkCode)
{
var modifierKeys = GetModifierKeyState();
if (!ModifierKeysMatch(notificationEntry.ModifierKeys, modifierKeys))
{
continue;
}
var wParam = new IntPtr(msg);
var lParam = new HookKeyMsgData
{
KeyCode = key.vkCode,
ModifierKeys = modifierKeys,
WasBlocked = notificationEntry.Block,
};
if (!PostMessage(notificationEntry.WindowHandle, HookKeyMsg, wParam, lParam))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (notificationEntry.Block)
{
result = 1;
}
}
}
catch { }
}
return(result);
}
private static extern bool PostMessage(IntPtr hWnd, Int32 Msg, IntPtr wParam, HookKeyMsgData lParam);
private static int OnKey(Int32 msg, Win32.KBDLLHOOKSTRUCT key)
{
var result = 0;
foreach (var notificationEntry in NotificationEntries)
if (GetFocusWindow() == notificationEntry.WindowHandle && notificationEntry.KeyCode == key.vkCode)
{
var modifierKeys = GetModifierKeyState();
if (notificationEntry.ModifierKeys != 0 && (modifierKeys & notificationEntry.ModifierKeys) == 0) continue;
var wParam = new IntPtr(msg);
var lParam = new HookKeyMsgData
{
KeyCode = key.vkCode,
ModifierKeys = modifierKeys,
WasBlocked = notificationEntry.Block,
};
if (!PostMessage(notificationEntry.WindowHandle, HookKeyMsg, wParam, lParam))
throw new Win32Exception(Marshal.GetLastWin32Error());
if (notificationEntry.Block) result = 1;
}
return result;
}
public static extern bool PostMessage(IntPtr hWnd, Int32 Msg, IntPtr wParam, HookKeyMsgData lParam);