protected override void WndProc(ref Message m)
{
this.si.cbSize = Marshal.SizeOf(this.si);
this.si.fMask = (int)Win32.ScrollInfoMask.SIF_ALL;
if (mDropdown.Handle != null)//((m.Msg == Win32.WM_VSCROLL) || (m.Msg == Win32.WM_SIZE))
{
if (Win32.GetScrollInfo(mDropdown.Handle, (int)Win32.ScrollBarDirection.SB_VERT, ref si))
{
//int listStyle = Win32.GetWindowLong(mDropdown.Handle, Win32.GWL_STYLE);
//listStyle |= Win32.WS_VSCROLL | Win32.WS_HSCROLL;
//listStyle |= Win32.WS_VSCROLL;
//listStyle = Win32.SetWindowLong(mDropdown.Handle, Win32.GWL_STYLE, listStyle);
Win32.RECT r1 = new Win32.RECT();
Win32.GetClientRect(mDropdown.Handle, ref r1);
Win32.SetParent(VScrollBar1.Handle, mDropdown.Handle);
VScrollBar1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Right)));
//VScrollBar1.Dock = DockStyle.Right;
VScrollBar1.Location = new Point(r1.Right - 0x13, 0); //0x13 = -19
VScrollBar1.BringToFront();
VScrollBar1.LargeChange = si.nPage;
VScrollBar1.Maximum = si.nMax;
VScrollBar1.Minimum = si.nMin;
VScrollBar1.SmallChange = 1;
//VScrollBar1.Update();//.SyncThumbPositionWithLogicalValue();
}
//Win32.SetScrollInfo(cbi.hwndList, (int)Win32.ScrollBarDirection.SB_VERT, ref this.si, true);
}
base.WndProc(ref m);
}
protected override void OnDropDown(System.EventArgs e)
{
base.OnDropDown(e);
InitComboBoxInfo(this);
Win32.GetClientRect(cbi.hwndList, ref cboListRect);
//Win32.SendMessageCb(this.Handle, 0x164, IntPtr.Zero, out cbi);
mDropdown = new DropdownWindow(this);
mDropdown.AssignHandle(cbi.hwndList);
//int listStyle = Win32.GetWindowLong(cbi.hwndList, Win32.GWL_STYLE);
//listStyle |= Win32.WS_VSCROLL | Win32.WS_HSCROLL;
//listStyle |= Win32.WS_VSCROLL;
//listStyle = Win32.SetWindowLong(cbi.hwndList, Win32.GWL_STYLE, listStyle);
//Win32.SendMessage(this.cbi.hwndList, (int)Win32.LB_SETHORIZONTALEXTENT, (int)80, (int)IntPtr.Zero);
}
