unsafe bool OnBeginDrag(ref Message m)
{
if (CustomDrag != null)
{
NMLISTVIEW *nmlvPtr = (NMLISTVIEW *)m.LParam;
CustomDrag(ref *nmlvPtr, true);
return(true);
}
return(false);
}
unsafe bool OnCustomSort(ref Message m)
{
if (CustomSort != null)
{
NMLISTVIEW *nmlvPtr = (NMLISTVIEW *)m.LParam;
CustomSort((*nmlvPtr).iItem);
return(true);
}
return(false);
}
protected unsafe override void WndProc(ref Message m)
{
switch (m.Msg)
{
case (int)LVM.HITTEST:
case (int)LVM.GETITEM:
case (int)LVM.GETITEMRECT:
case (int)LVM.GETITEMCOUNT:
case (int)LVM.GETITEMSTATE:
case (int)LVM.GETNEXTITEM:
case (int)LVM.FINDITEM:
case (int)LVM.UPDATE:
case (int)LVM.SETTEXTBKCOLOR:
case (int)LVM.SETTEXTCOLOR:
case (int)LVM.SETBKCOLOR:
case (int)LVM.ENABLEGROUPVIEW:
case (int)LVM.SETIMAGELIST:
case (int)LVM.SETITEMSTATE:
case (int)LVM.SETVIEW:
case (int)User32.WindowMessage.WM_NCCREATE:
case (int)User32.WindowMessage.WM_NCCALCSIZE:
case (int)User32.WindowMessage.WM_CREATE:
case (int)User32.WindowMessage.WM_MOUSEHOVER:
case (int)User32.WindowMessage.WM_MOUSELEAVE:
case (int)User32.WindowMessage.WM_MOUSEMOVE:
case (int)User32.WindowMessage.WM_NCHITTEST:
case (int)User32.WindowMessage.WM_SETCURSOR:
case (int)User32.WindowMessage.WM_SETREDRAW:
case (int)User32.WindowMessage.WM_KILLFOCUS:
case (int)User32.WindowMessage.WM_PAINT:
case (int)User32.WindowMessage.WM_ERASEBKGND:
case (int)User32.WindowMessage.WM_CAPTURECHANGED:
case (int)User32.WindowMessage.WM_SIZE:
case (int)User32.WindowMessage.WM_MOVE:
case (int)User32.WindowMessage.WM_IME_SETCONTEXT:
case (int)User32.WindowMessage.WM_IME_NOTIFY:
case (int)User32.WindowMessage.WM_SETFOCUS:
base.WndProc(ref m);
break;
case (int)User32.WindowMessage.WM_LBUTTONUP:
base.DefWndProc(ref m);
break;
case (int)User32.WindowMessage.WM_REFLECT_NOTIFY:
User32.NMHDR *nmhdr = (User32.NMHDR *)m.LParam;
switch (nmhdr->code)
{
case (int)LVN.LINKCLICK:
case (int)LVN.GETDISPINFOW:
case (int)LVN.ITEMCHANGING:
case (int)LVN.ITEMCHANGED:
case (int)LVN.INSERTITEM:
case (int)LVN.MARQUEEBEGIN:
case (int)LVN.HOTTRACK:
case (int)NM.SETFOCUS:
case (int)NM.KILLFOCUS:
case (int)NM.CUSTOMDRAW:
case (int)NM.RELEASEDCAPTURE:
case (int)NM.CLICK:
base.WndProc(ref m);
break;
case (int)LVN.COLUMNDROPDOWN:
{
NMLISTVIEW *nmlv = (NMLISTVIEW *)m.LParam;
IntPtr header = User32.SendMessageW(Handle, (User32.WindowMessage)LVM.GETHEADER, IntPtr.Zero, IntPtr.Zero);
RECT r1 = default;
IntPtr result1 = User32.SendMessageW(header, (User32.WindowMessage)HDM.GETITEMDROPDOWNRECT, (IntPtr)nmlv->iSubItem, ref r1);
Point p1 = PointToScreen(new Point(r1.left, r1.bottom));
RECT r2 = default;
IntPtr result2 = User32.SendMessageW(header, (User32.WindowMessage)HDM.GETITEMRECT, (IntPtr)nmlv->iSubItem, IntPtr.Zero);
Point p2 = PointToScreen(new Point(r2.right - SystemInformation.MenuButtonSize.Width, r2.bottom));
var menu = new ContextMenuStrip();
EventHandler onClick = (sender, e) => { };
menu.Items.Add(new ToolStripButton("Button")
{
CheckOnClick = true
});
menu.Show(p1);
break;
}
default:
base.WndProc(ref m);
break;
}
break;
default:
//Debug.WriteLine((User32.WindowMessage)m.Msg);
base.WndProc(ref m);
break;
}
}