void HookChildControl(Control ctrl)
{
if (NativeMethods.IsWindow(ctrl.Handle))
{
m_WndProcMap[ctrl.Handle] = NativeMethods.GetWindowLongPtr(ctrl.Handle, WindowsLong.GWL_WNDPROC);
NativeMethods.SetWindowLongPtr(ctrl.Handle, GWL.GWL_WNDPROC, Marshal.GetFunctionPointerForDelegate(m_CtrlWndProcDelegate));
}
if (!ctrl.HasChildren)
{
return;
}
foreach (Control child in ctrl.Controls)
{
HookChildControl(child);
}
}