public static void UnhookWndProc(Control ctl, bool disposing)
{
HookedProcInformation information = null;
if (ctlDict.ContainsKey(ctl))
{
information = ctlDict[ctl];
}
else if (hwndDict.ContainsKey(ctl.Handle))
{
information = hwndDict[ctl.Handle];
}
if (information == null)
{
throw new ArgumentException("No hook exists for this control");
}
if (ctlDict.ContainsKey(ctl) && disposing)
{
ctlDict.Remove(ctl);
}
if (hwndDict.ContainsKey(ctl.Handle))
{
information.Unhook();
hwndDict.Remove(ctl.Handle);
if (!disposing)
{
ctlDict[ctl] = information;
}
}
}
/// <summary>
/// Restores the previous wndproc for the specified window.
/// </summary>
/// <param name="ctl">The control whose wndproc we no longer want to
/// hook</param>
/// <param name="disposing">if true we remove don't readd the
/// HookedProcInformation
/// back into ctlDict</param>
public static void UnhookWndProc(Control ctl, bool disposing)
{
HookedProcInformation hpi = null;
if (ctlDict.ContainsKey(ctl))
{
hpi = ctlDict[ctl];
}
else if (hwndDict.ContainsKey(ctl.Handle))
{
hpi = hwndDict[ctl.Handle];
}
if (hpi == null)
{
throw new ArgumentException("No hook exists for this control");
}
// If we found our HookedProcInformation in ctlDict and we are
// disposing remove it from ctlDict
if (ctlDict.ContainsKey(ctl) && disposing)
{
ctlDict.Remove(ctl);
}
// If we found our HookedProcInformation in hwndDict, remove it
// and if we are not disposing stick it in ctlDict
if (hwndDict.ContainsKey(ctl.Handle))
{
hpi.Unhook();
hwndDict.Remove(ctl.Handle);
if (!disposing)
{
ctlDict[ctl] = hpi;
}
}
}