private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode == HC_ACTION)
{
int messageID = (int)wParam;
if ((messageID == WM_KEYDOWN) || (messageID == WM_KEYUP) ||
(messageID == WM_SYSKEYDOWN) || (messageID == WM_SYSKEYUP))
{
if (KeyPressed != null)
{
KBDLLHookStruct hookData = Marshal.PtrToStructure <KBDLLHookStruct>(lParam);
bool keyIsDown = ((messageID == WM_KEYDOWN) || (messageID == WM_SYSKEYDOWN));
bool keyIsSystemKey = ((messageID == WM_SYSKEYDOWN) || (messageID == WM_SYSKEYUP));
KeyPressedEventArgs e = new KeyPressedEventArgs(hookData.vkCode, keyIsDown, keyIsSystemKey);
KeyPressed(this, e);
if (e.TrapKey)
{
return((IntPtr)1);
}
}
}
}
return(CallNextHookEx(HookID, nCode, wParam, lParam));
}
//The listener that will trigger events
private int KeybHookProc(int Code, int W, int L)
{
KBDLLHookStruct LS = new KBDLLHookStruct();
if (Code < 0)
{
return CallNextHookEx(HookID, Code, W, L);
}
try
{
if (!Global)
{
if (Code == 3)
{
IntPtr ptr = IntPtr.Zero;
int keydownup = L >> 30;
if (keydownup == 0)
{
if (KeyDown != null) KeyDown((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
if (keydownup == -1)
{
if (KeyUp != null) KeyUp((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
//System.Diagnostics.Debug.WriteLine("Down: " + (Keys)W);
}
}
else
{
KeyEvents kEvent = (KeyEvents)W;
Int32 vkCode = Marshal.ReadInt32((IntPtr)L); //Leser vkCode som er de første 32 bits hvor L peker.
if (kEvent != KeyEvents.KeyDown && kEvent != KeyEvents.KeyUp && kEvent != KeyEvents.SKeyDown && kEvent != KeyEvents.SKeyUp)
{
}
if (kEvent == KeyEvents.KeyDown || kEvent == KeyEvents.SKeyDown)
{
if (KeyDown != null) KeyDown((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
if (kEvent == KeyEvents.KeyUp || kEvent == KeyEvents.SKeyUp)
{
if (KeyUp != null) KeyUp((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
}
catch (Exception)
{
//Ignore all errors...
}
return CallNextHookEx(HookID, Code, W, L);
}
private static int LowLevelHookProc(int code, IntPtr wParam, IntPtr lParam) // lParam is KBDLLHookStruct and wParam is a keyState
{
if (code >= 0)
{
var kb = KBDLLHookStruct.CreateStruct(lParam);
var keyState = (KeyState)wParam;
var key = (Key)kb.vkCode;
if (keyState == KeyState.KeyDown || keyState == KeyState.SysKeyDown)
{
OnKeyDown(key);
}
else
{
OnKeyUp(key);
}
}
return(WindowsAPI.CallNextHookEx(hookId, code, wParam, lParam));
}
//The listener that will trigger events
private int KeybHookProc(int Code, int W, int L)
{
KBDLLHookStruct LS = new KBDLLHookStruct();
if (Code < 0)
{
return(CallNextHookEx(HookID, Code, W, L));
}
try
{
KeyEvents kEvent = (KeyEvents)W;
Int32 vkCode = Marshal.ReadInt32((IntPtr)L); //Leser vkCode som er de første 32 bits hvor L peker.
if (kEvent != KeyEvents.KeyDown && kEvent != KeyEvents.KeyUp && kEvent != KeyEvents.SKeyDown && kEvent != KeyEvents.SKeyUp)
{
}
if (kEvent == KeyEvents.KeyDown || kEvent == KeyEvents.SKeyDown)
{
if (KeyDown != null)
{
KeyDown((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
if (kEvent == KeyEvents.KeyUp || kEvent == KeyEvents.SKeyUp)
{
if (KeyUp != null)
{
KeyUp((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return(CallNextHookEx(HookID, Code, W, L));
}
private int KeybHookProc(int Code, int W, int L)
{
KBDLLHookStruct LS = new KBDLLHookStruct();
if (Code < 0)
{
return(CallNextHookEx(HookID, Code, W, L));
}
try
{
if (!Global)
{
if (Code == 3)
{
IntPtr ptr = IntPtr.Zero;
int keydownup = L >> 30;
if (keydownup == 0)
{
if (KeyDown != null)
{
KeyDown((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
if (keydownup == -1)
{
if (KeyUp != null)
{
KeyUp((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
}
}
else
{
KeyEvents kEvent = (KeyEvents)W;
Int32 vkCode = Marshal.ReadInt32((IntPtr)L);
if (kEvent != KeyEvents.KeyDown && kEvent != KeyEvents.KeyUp && kEvent != KeyEvents.SKeyDown && kEvent != KeyEvents.SKeyUp)
{
}
if (kEvent == KeyEvents.KeyDown || kEvent == KeyEvents.SKeyDown)
{
if (KeyDown != null)
{
KeyDown((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
if (kEvent == KeyEvents.KeyUp || kEvent == KeyEvents.SKeyUp)
{
if (KeyUp != null)
{
KeyUp((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
}
}
catch (Exception)
{
}
return(CallNextHookEx(HookID, Code, W, L));
}
//The listener that will trigger events
private int KeybHookProc(int Code, int W, int L)
{
KBDLLHookStruct LS = new KBDLLHookStruct();
if (Code < 0)
{
return CallNextHookEx(HookID, Code, W, L);
}
try
{
if (!Global)
{
if (Code == 3)
{
IntPtr ptr = IntPtr.Zero;
int keydownup = L >> 30;
if (keydownup == 0)
{
if (KeyDown != null) KeyDown((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
if (keydownup == -1)
{
if (KeyUp != null) KeyUp((Keys)W, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
//System.Diagnostics.Debug.WriteLine("Down: " + (Keys)W);
}
}
else
{
KeyEvents kEvent = (KeyEvents)W;
Int32 vkCode = Marshal.ReadInt32((IntPtr)L); //Leser vkCode som er de første 32 bits hvor L peker.
if (kEvent != KeyEvents.KeyDown && kEvent != KeyEvents.KeyUp && kEvent != KeyEvents.SKeyDown && kEvent != KeyEvents.SKeyUp)
{
}
if (kEvent == KeyEvents.KeyDown || kEvent == KeyEvents.SKeyDown)
{
if (KeyDown != null) KeyDown((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
if (kEvent == KeyEvents.KeyUp || kEvent == KeyEvents.SKeyUp)
{
if (KeyUp != null) KeyUp((Keys)vkCode, GetShiftPressed(), GetCtrlPressed(), GetAltPressed());
}
}
}
catch (Exception)
{
//Ignore all errors...
}
return CallNextHookEx(HookID, Code, W, L);
}
public HookKeyEventArgs(KeyEvents Event, KBDLLHookStruct data, KeyboardUtilConstants.VirtualKeyCode vkCode)
{
this.Event = Event;
this.rawData = data;
this.vkCode = vkCode;
}
