From 328bec0ded1781086dffefd60ce60987b4757644 Mon Sep 17 00:00:00 2001
From: Yatao Li <yatli@microsoft.com>
Date: Sun, 15 Aug 2021 16:48:53 +0800
Subject: [PATCH] GridVM: reset anchor to 0 when detached as external

---
 ViewModels/GridViewModel.fs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ViewModels/GridViewModel.fs b/ViewModels/GridViewModel.fs
index a636223..0132ff4 100644
--- a/ViewModels/GridViewModel.fs
+++ b/ViewModels/GridViewModel.fs
@@ -359,6 +359,8 @@ and GridViewModel(_gridid: int, ?_parent: GridViewModel, ?_gridsize: GridSize) a
         | WinExternalPos(_,win) ->
             if not m_is_external then
                 m_is_external <- true
+                m_anchor_col <- 0
+                m_anchor_row <- 0
                 (this:>IGridUI).Detach()
                 CreateFrame this
             m_winid <- win