internal void UpdateListView() {
Debug.Assert(listView.IsHandleCreated, "ApplySavedState Precondition: List-view handle must be created");
NativeMethods.LVINSERTMARK lvInsertMark = new NativeMethods.LVINSERTMARK();
lvInsertMark.dwFlags = appearsAfterItem ? NativeMethods.LVIM_AFTER : 0;
lvInsertMark.iItem = index;
UnsafeNativeMethods.SendMessage(new HandleRef(listView, listView.Handle), NativeMethods.LVM_SETINSERTMARK, 0, lvInsertMark);
if (!color.IsEmpty) {
listView.SendMessage(NativeMethods.LVM_SETINSERTMARKCOLOR, 0, SafeNativeMethods.ColorToCOLORREF(color));
}
}
/// <include file='doc\ListViewInsertionMark.uex' path='docs/doc[@for="ListViewInsertionMark.Index"]/*' />
/// <devdoc>
/// Performs a hit-test at the specified insertion point
/// and returns the closest item.
/// </devdoc>
///
public int NearestIndex(Point pt)
{
NativeMethods.POINT point = new NativeMethods.POINT();
point.x = pt.X;
point.y = pt.Y;
NativeMethods.LVINSERTMARK lvInsertMark = new NativeMethods.LVINSERTMARK();
UnsafeNativeMethods.SendMessage(new HandleRef(listView, listView.Handle), NativeMethods.LVM_INSERTMARKHITTEST, point, lvInsertMark);
return lvInsertMark.iItem;
}