protected override void WndProc(ref Message m)
{
if (m.Msg == (WM_REFLECT + WM_NOTIFY))
{
NMHDR hdr = (NMHDR)(Marshal.PtrToStructure(m.LParam, typeof(NMHDR)));
if (hdr.code == TCN_SELCHANGING)
{
TabPage tp = TestTab(PointToClient(Cursor.Position));
if (tp != null)
{
TabPageChangeEventArgs e = new TabPageChangeEventArgs(SelectedTab, tp);
if (SelectedIndexChanging != null)
{
SelectedIndexChanging(this, e);
}
if (e.Cancel || tp.Enabled == false)
{
m.Result = new IntPtr(1);
return;
}
}
}
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
if (m.Msg == (WM_REFLECT + WM_NOTIFY)) {
NMHDR hdr = (NMHDR)(Marshal.PtrToStructure(m.LParam, typeof(NMHDR)));
if (hdr.code == TCN_SELCHANGING) {
TabPage tp = TestTab(PointToClient(Cursor.Position));
if (tp != null) {
TabPageChangeEventArgs e = new TabPageChangeEventArgs(SelectedTab, tp);
if (SelectedIndexChanging != null)
SelectedIndexChanging(this, e);
if (e.Cancel || tp.Enabled == false) {
m.Result = new IntPtr(1);
return;
}
}
}
}
base.WndProc(ref m);
}