public static void HookWndProc(Control ctl, WndProcCallback callback, uint msg)
{
HookedProcInformation information = null;
if (ctlDict.ContainsKey(ctl))
{
information = ctlDict[ctl];
}
else if (hwndDict.ContainsKey(ctl.Handle))
{
information = hwndDict[ctl.Handle];
}
if (information == null)
{
information = new HookedProcInformation(ctl, new Win32.WndProc(WndProcHooker.WindowProc));
ctl.HandleCreated += new EventHandler(WndProcHooker.ctl_HandleCreated);
ctl.HandleDestroyed += new EventHandler(WndProcHooker.ctl_HandleDestroyed);
ctl.Disposed += new EventHandler(WndProcHooker.ctl_Disposed);
if (ctl.Handle != IntPtr.Zero)
{
information.SetHook();
}
}
if (ctl.Handle == IntPtr.Zero)
{
ctlDict[ctl] = information;
}
else
{
hwndDict[ctl.Handle] = information;
}
information.messageMap[msg] = callback;
}
private static void ctl_HandleCreated(object sender, EventArgs e)
{
Control key = sender as Control;
if (ctlDict.ContainsKey(key))
{
HookedProcInformation information = ctlDict[key];
hwndDict[key.Handle] = information;
ctlDict.Remove(key);
information.SetHook();
}
}
// Makes a connection between a message on a specified window handle
// and the callback to be called when that message is received. If the
// window was not previously hooked it is added to the global list of
// all the window procedures hooked.
// Parameters:
// ctl - The control whose wndproc we are hooking.
// callback - The method to call when the specified.
// message is received for the specified window.
// msg - The message being hooked.
public static void HookWndProc(
Control ctl,
WndProcCallback callback,
uint msg)
{
HookedProcInformation hpi = null;
if (CtlDict.ContainsKey(ctl))
{
hpi = CtlDict[ctl];
}
else if (HwndDict.ContainsKey(ctl.Handle))
{
hpi = HwndDict[ctl.Handle];
}
if (hpi == null)
{
// If new control, create a new
// HookedProcInformation for it.
hpi = new HookedProcInformation(
ctl,
WindowProc);
ctl.HandleCreated += ctl_HandleCreated;
ctl.HandleDestroyed += ctl_HandleDestroyed;
ctl.Disposed += ctl_Disposed;
// If the handle has already been created set the hook. If it
// hasn't been created yet, the hook will get set in the
// ctl_HandleCreated event handler.
if (ctl.Handle != IntPtr.Zero)
{
hpi.SetHook();
}
}
// Stick hpi into the correct dictionary.
if (ctl.Handle == IntPtr.Zero)
{
CtlDict[ctl] = hpi;
}
else
{
HwndDict[ctl.Handle] = hpi;
}
// Add the message/callback into the message map.
hpi.MessageMap[msg] = callback;
}
/// <summary>
/// The event handler called when a control's handle is created. We
/// call SetHook() on the associated HookedProcInformation object and
/// move it from <see>ctlDict</see> to <see>hwndDict</see>.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void ctl_HandleCreated(object sender, EventArgs e)
{
Control ctl = sender as Control;
if (ctlDict.ContainsKey(ctl))
{
HookedProcInformation hpi = ctlDict[ctl];
hwndDict[ctl.Handle] = hpi;
ctlDict.Remove(ctl);
hpi.SetHook();
}
else
{
System.Diagnostics.Debug.Assert(false);
}
}
/// <summary>
/// Makes a connection between a message on a specified window handle
/// and the callback to be called when that message is received. If the
/// window was not previously hooked it is added to the global list of
/// all the window procedures hooked.
/// </summary>
/// <param name="ctl">The control whose wndproc we are hooking</param>
/// <param name="callback">The method to call when the specified
/// message is received for the specified window</param>
/// <param name="msg">The message we are hooking.</param>
public static void HookWndProc(
Control ctl, WndProcCallback callback, uint msg)
{
HookedProcInformation hpi = null;
if (ctlDict.ContainsKey(ctl))
{
hpi = ctlDict[ctl];
}
else if (hwndDict.ContainsKey(ctl.Handle))
{
hpi = hwndDict[ctl.Handle];
}
if (hpi == null)
{
// We havne't seen this control before. Create a new
// HookedProcInformation for it
hpi = new HookedProcInformation(ctl,
new Win32.WndProc(WndProcHooker.WindowProc));
ctl.HandleCreated += new EventHandler(ctl_HandleCreated);
ctl.HandleDestroyed += new EventHandler(ctl_HandleDestroyed);
ctl.Disposed += new EventHandler(ctl_Disposed);
// If the handle has already been created set the hook. If it
// hasn't been created yet, the hook will get set in the
// ctl_HandleCreated event handler
if (ctl.Handle != IntPtr.Zero)
{
hpi.SetHook();
}
}
// stick hpi into the correct dictionary
if (ctl.Handle == IntPtr.Zero)
{
ctlDict[ctl] = hpi;
}
else
{
hwndDict[ctl.Handle] = hpi;
}
// add the message/callback into the message map
hpi.messageMap[msg] = callback;
}
// Makes a connection between a message on a specified window handle
// and the callback to be called when that message is received. If the
// window was not previously hooked it is added to the global list of
// all the window procedures hooked.
// Parameters:
// ctl - The control whose wndproc we are hooking.
// callback - The method to call when the specified.
// message is received for the specified window.
// msg - The message being hooked.
public static void HookWndProc(
Control ctl, WndProcCallback callback, uint msg)
{
HookedProcInformation hpi = null;
if (ctlDict.ContainsKey(ctl))
hpi = ctlDict[ctl];
else if (hwndDict.ContainsKey(ctl.Handle))
hpi = hwndDict[ctl.Handle];
if (hpi == null) {
// If new control, create a new
// HookedProcInformation for it.
hpi = new HookedProcInformation(ctl,
new Win32.WndProc(WndProcHooker.WindowProc));
ctl.HandleCreated += new EventHandler(ctl_HandleCreated);
ctl.HandleDestroyed += new EventHandler(ctl_HandleDestroyed);
ctl.Disposed += new EventHandler(ctl_Disposed);
// If the handle has already been created set the hook. If it
// hasn't been created yet, the hook will get set in the
// ctl_HandleCreated event handler.
if (ctl.Handle != IntPtr.Zero)
hpi.SetHook();
}
// Stick hpi into the correct dictionary.
if (ctl.Handle == IntPtr.Zero)
ctlDict[ctl] = hpi;
else
hwndDict[ctl.Handle] = hpi;
// Add the message/callback into the message map.
hpi.messageMap[msg] = callback;
}