private static void InstallHook()
{
if (hhook == IntPtr.Zero)
{
SendKeysHookProc proc1 = new SendKeysHookProc();
hook = new System.Windows.Forms.NativeMethods.HookProc(proc1.Callback);
stopHook = false;
hhook = UnsafeNativeMethods.SetWindowsHookEx(1, hook, new HandleRef(null, UnsafeNativeMethods.GetModuleHandle(null)), 0);
if (hhook == IntPtr.Zero)
{
throw new SecurityException(System.Windows.Forms.SR.GetString("SendKeysHookFailed"));
}
}
}
private static void TestHook()
{
hookSupported = false;
try
{
System.Windows.Forms.NativeMethods.HookProc pfnhook = new System.Windows.Forms.NativeMethods.HookProc(SendKeys.EmptyHookCallback);
IntPtr handle = UnsafeNativeMethods.SetWindowsHookEx(1, pfnhook, new HandleRef(null, UnsafeNativeMethods.GetModuleHandle(null)), 0);
hookSupported = new bool?(handle != IntPtr.Zero);
if (handle != IntPtr.Zero)
{
UnsafeNativeMethods.UnhookWindowsHookEx(new HandleRef(null, handle));
}
}
catch
{
}
}
private void UninstallMessageHook()
{
lock (this)
{
if (this.messageHookHandle != IntPtr.Zero)
{
System.Windows.Forms.UnsafeNativeMethods.UnhookWindowsHookEx(new HandleRef(this, this.messageHookHandle));
this.hookProc = null;
this.messageHookHandle = IntPtr.Zero;
this.isHooked = false;
}
}
}
private void InstallMessageHook()
{
lock (this)
{
if (this.messageHookHandle == IntPtr.Zero)
{
this.hookProc = new System.Windows.Forms.NativeMethods.HookProc(this.MessageHookProc);
this.messageHookHandle = System.Windows.Forms.UnsafeNativeMethods.SetWindowsHookEx(3, this.hookProc, new HandleRef(null, IntPtr.Zero), System.Windows.Forms.SafeNativeMethods.GetCurrentThreadId());
if (this.messageHookHandle != IntPtr.Zero)
{
this.isHooked = true;
}
}
}
}
private void HookMouse()
{
GC.KeepAlive(this);
lock (this)
{
if (this.mouseHookHandle == IntPtr.Zero)
{
if (this.thisProcessID == 0)
{
System.Windows.Forms.SafeNativeMethods.GetWindowThreadProcessId(new HandleRef(this.control, this.control.Handle), out this.thisProcessID);
}
MouseHookObject obj1 = new MouseHookObject(this);
System.Windows.Forms.NativeMethods.HookProc proc = new System.Windows.Forms.NativeMethods.HookProc(obj1.Callback);
this.mouseHookRoot = GCHandle.Alloc(proc);
this.mouseHookHandle = System.Windows.Forms.UnsafeNativeMethods.SetWindowsHookEx(7, proc, System.Windows.Forms.NativeMethods.NullHandleRef, System.Windows.Forms.SafeNativeMethods.GetCurrentThreadId());
}
}
}
private static void TestHook()
{
hookSupported = false;
try
{
System.Windows.Forms.NativeMethods.HookProc pfnhook = new System.Windows.Forms.NativeMethods.HookProc(SendKeys.EmptyHookCallback);
IntPtr handle = UnsafeNativeMethods.SetWindowsHookEx(1, pfnhook, new HandleRef(null, UnsafeNativeMethods.GetModuleHandle(null)), 0);
hookSupported = new bool?(handle != IntPtr.Zero);
if (handle != IntPtr.Zero)
{
UnsafeNativeMethods.UnhookWindowsHookEx(new HandleRef(null, handle));
}
}
catch
{
}
}
private static void InstallHook()
{
if (hhook == IntPtr.Zero)
{
SendKeysHookProc proc1 = new SendKeysHookProc();
hook = new System.Windows.Forms.NativeMethods.HookProc(proc1.Callback);
stopHook = false;
hhook = UnsafeNativeMethods.SetWindowsHookEx(1, hook, new HandleRef(null, UnsafeNativeMethods.GetModuleHandle(null)), 0);
if (hhook == IntPtr.Zero)
{
throw new SecurityException(System.Windows.Forms.SR.GetString("SendKeysHookFailed"));
}
}
}
