private void dropTargetWrapper_DragFileOver(object sender, DragEventArgs e)
{
int iSourceState = -1;
Point point = base.PointToClient(new Point(e.X, e.Y));
ToolStripItem itemAt = base.GetItemAt(point);
bool flag = false;
if (itemAt != null)
{
Rectangle bounds = itemAt.Bounds;
bool flag2 = (bounds.Bottom - point.Y) >= (point.Y - bounds.Top);
flag = this.fTop != flag2;
this.fTop = flag2;
}
bool flag3 = ((this.fTop && (this.iItemDragOverRegion != 0)) || (!this.fTop && (this.iItemDragOverRegion != 1))) && (itemAt == this.Items[this.Items.Count - 1]);
if ((itemAt != this.itemHover) || flag3)
{
if (itemAt != null)
{
this.iItemDragOverRegion = this.fTop ? 0 : 1;
QMenuItem item2 = itemAt as QMenuItem;
if (item2 != null)
{
bool flag4 = item2 is SubDirTipForm.ToolStripMenuItemEx;
if ((flag3 && !this.fTop) && Directory.Exists(base.Path))
{
this.fDrawDropTarget = false;
this.strTargetPath = base.Path;
iSourceState = this.MakeDragOverRetval();
if ((!flag4 && item2.HasDropDownItems) && !item2.DropDown.Visible)
{
this.OnMouseLeave(EventArgs.Empty);
this.OnMouseMove(new MouseEventArgs(Control.MouseButtons, 0, point.X, point.Y, 0));
}
}
else if (flag4)
{
bool flag5;
if (PathIsExecutable(item2.Path, out flag5))
{
this.fDrawDropTarget = true;
if (flag5)
{
iSourceState = -1;
this.CloseAllDropDown();
}
else
{
this.strTargetPath = item2.Path;
item2.Select();
iSourceState = 2;
}
}
else
{
this.fDrawDropTarget = false;
if (Directory.Exists(base.Path))
{
this.strTargetPath = base.Path;
iSourceState = this.MakeDragOverRetval();
}
this.CloseAllDropDown();
}
}
else if (Directory.Exists(item2.TargetPath))
{
this.fDrawDropTarget = true;
this.strTargetPath = item2.TargetPath;
iSourceState = this.MakeDragOverRetval();
this.OnMouseLeave(EventArgs.Empty);
this.OnMouseMove(new MouseEventArgs(Control.MouseButtons, 0, point.X, point.Y, 0));
}
}
}
flag = true;
}
else
{
iSourceState = this.iDDRetval;
}
if (itemAt != null)
{
this.BeginScrollTimer(itemAt, point);
}
this.itemHover = itemAt;
this.iDDRetval = iSourceState;
if (flag)
{
base.Invalidate();
}
if (iSourceState == -1)
{
this.strTargetPath = null;
e.Effect = DragDropEffects.None;
}
else if (this.fDrivesContained)
{
e.Effect = DragDropEffects.Link;
}
else if (iSourceState == 2)
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DropTargetWrapper.MakeEffect(e.KeyState, iSourceState);
}
}
