private ListViewItem FindItem(bool isTextSearch, string text, bool isPrefixSearch, Point pt, SearchDirectionHint dir, int startIndex, bool includeSubItemsInSearch)
{
if (this.Items.Count != 0)
{
if (!base.IsHandleCreated)
{
this.CreateHandle();
}
if (this.VirtualMode)
{
SearchForVirtualItemEventArgs e = new SearchForVirtualItemEventArgs(isTextSearch, isPrefixSearch, includeSubItemsInSearch, text, pt, dir, startIndex);
this.OnSearchForVirtualItem(e);
if (e.Index != -1)
{
return this.Items[e.Index];
}
return null;
}
System.Windows.Forms.NativeMethods.LVFINDINFO lParam = new System.Windows.Forms.NativeMethods.LVFINDINFO();
if (isTextSearch)
{
lParam.flags = 2;
lParam.flags |= isPrefixSearch ? 8 : 0;
lParam.psz = text;
}
else
{
lParam.flags = 0x40;
lParam.ptX = pt.X;
lParam.ptY = pt.Y;
lParam.vkDirection = (int) dir;
}
lParam.lParam = IntPtr.Zero;
int num = (int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), System.Windows.Forms.NativeMethods.LVM_FINDITEM, startIndex - 1, ref lParam);
if (num >= 0)
{
return this.Items[num];
}
if (isTextSearch && includeSubItemsInSearch)
{
for (int i = startIndex; i < this.Items.Count; i++)
{
ListViewItem item = this.Items[i];
for (int j = 0; j < item.SubItems.Count; j++)
{
ListViewItem.ListViewSubItem item2 = item.SubItems[j];
if (string.Equals(text, item2.Text, StringComparison.OrdinalIgnoreCase))
{
return item;
}
if (isPrefixSearch && CultureInfo.CurrentCulture.CompareInfo.IsPrefix(item2.Text, text, CompareOptions.IgnoreCase))
{
return item;
}
}
}
}
}
return null;
}
internal int GetDisplayIndex(ListViewItem item, int lastIndex)
{
this.ApplyUpdateCachedItems();
if (base.IsHandleCreated && !this.ListViewHandleDestroyed)
{
System.Windows.Forms.NativeMethods.LVFINDINFO lParam = new System.Windows.Forms.NativeMethods.LVFINDINFO {
lParam = (IntPtr) item.ID,
flags = 1
};
int num = -1;
if (lastIndex != -1)
{
num = (int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), System.Windows.Forms.NativeMethods.LVM_FINDITEM, lastIndex - 1, ref lParam);
}
if (num == -1)
{
num = (int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), System.Windows.Forms.NativeMethods.LVM_FINDITEM, -1, ref lParam);
}
return num;
}
int num2 = 0;
foreach (object obj2 in this.listItemsArray)
{
if (obj2 == item)
{
return num2;
}
num2++;
}
return -1;
}
