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 == 0x204e)
{
NMHDR nmhdr = (NMHDR)Marshal.PtrToStructure(m.LParam, typeof(NMHDR));
if (nmhdr.code == -552)
{
TabPage nextTab = this.TestTab(base.PointToClient(Cursor.Position));
if (nextTab != null)
{
TabPageChangeEventArgs e = new TabPageChangeEventArgs(base.SelectedTab, nextTab);
if (this.SelectedIndexChanging != null)
{
this.SelectedIndexChanging(this, e);
}
if (e.Cancel || !nextTab.Enabled)
{
m.Result = new IntPtr(1);
return;
}
}
}
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
if (m.Msg == 0x204e)
{
NMHDR nmhdr = (NMHDR) Marshal.PtrToStructure(m.LParam, typeof(NMHDR));
if (nmhdr.code == -552)
{
TabPage nextTab = this.TestTab(base.PointToClient(Cursor.Position));
if (nextTab != null)
{
TabPageChangeEventArgs e = new TabPageChangeEventArgs(base.SelectedTab, nextTab);
if (this.SelectedIndexChanging != null)
{
this.SelectedIndexChanging(this, e);
}
if (e.Cancel || !nextTab.Enabled)
{
m.Result = new IntPtr(1);
return;
}
}
}
}
base.WndProc(ref m);
}