private void HookEx_Events(object sender, WindowsHookExEventArgs e)
{
if (KeyChange == null)
{
return;
}
KeyboardLLHookStruct @struct = (KeyboardLLHookStruct)Marshal.PtrToStructure((IntPtr)e.lParam, typeof(KeyboardLLHookStruct));
PressType pressType = PressType.None;
VirtualKeys vk = (VirtualKeys)@struct.VirtualKeyCode;
KeyboardState state = KeyboardState.FromCurrentState();
char?inputChar = null;
if (e.wParam.ToInt64() == WM.KEYDOWN || e.wParam.ToInt64() == WM.SYSKEYDOWN)
{
pressType = PressType.KeyDown;
}
else if (e.wParam.ToInt64() == WM.KEYUP || e.wParam.ToInt64() == WM.SYSKEYUP)
{
pressType = PressType.KeyUp;
}
// Get Press Char
char?PressKey = null;
byte[] inBuffer = new byte[2];
if (User32.ToAscii(@struct.VirtualKeyCode,
@struct.ScanCode,
state.Bytes,
inBuffer,
@struct.Flags) == 1)
{
char ch = (char)inBuffer[0];
if (!char.IsControl(ch))
{
PressKey = ch;
if ((state.CapsLockToggled ^ state.ShiftPressed) && char.IsLetter(ch))
{
PressKey = char.ToUpper(ch);
}
inputChar = PressKey;
}
}
var args = new KeyChangeEventArgs()
{
Handled = false,
PressType = pressType,
Key = vk,
KeyboardState = state,
InputChar = inputChar,
};
foreach (var action in KeyChange.GetInvocationList().Reverse())
{
action.DynamicInvoke(this, args);
if (args.Handled)
{
e.Handled = true;
return;
}
}
}
private int HookProc(int code, IntPtr wParam, ref KeyboardLLHookStruct lParam)
{
if (code == HC_ACTION)
{
if (wParam.ToInt32() == WM_KEYDOWN || wParam.ToInt32() == WM_SYSKEYDOWN)
{
foreach (var item in _menuItems)
{
var key1 = true;
var key2 = true;
if (item.Key1 != VirtualKeyModifier.None)
{
var key1State = GetAsyncKeyState((int)item.Key1) & 0x8000;
key1 = Convert.ToBoolean(key1State);
}
if (item.Key2 != VirtualKeyModifier.None)
{
var key2State = GetAsyncKeyState((int)item.Key2) & 0x8000;
key2 = Convert.ToBoolean(key2State);
}
if (key1 && key2 && lParam.vkCode == (int)item.Key3)
{
var handler = Hooked;
if (handler != null)
{
var menuItemId = MenuItemId.GetId(item.Name);
var eventArgs = new HotKeyEventArgs(menuItemId);
handler.BeginInvoke(this, eventArgs, null, null);
break;
}
}
}
}
}
return(CallNextHookEx(_hookHandle, code, wParam, ref lParam));
}
