From 8ec51037841cd9453582e060483c6e397eebcc85 Mon Sep 17 00:00:00 2001
From: clover_yan <56215525+clover-yan@users.noreply.github.com>
Date: Wed, 24 May 2023 20:26:02 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=9D=E8=AF=95=E9=81=BF=E5=85=8D=20StartArg?=
 =?UTF-8?q?s=20=E4=B8=BA=20null=20=E6=97=B6=E5=87=BA=E9=94=99?=
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可能会出错吧……
---
 Ink Canvas/MainWindow.xaml.cs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index e604e6c..6a5a730 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -6657,8 +6657,12 @@ namespace Ink_Canvas
             if (currentMode == 0)
             {
                 //进入黑板
-                if (!App.StartArgs.Contains("-b"))
+                try {
+                    if (!App.StartArgs.Contains("-b"))
+                        Topmost = false;
+                } catch {
                     Topmost = false;
+                }
                 if (BtnPPTSlideShowEnd.Visibility == Visibility.Collapsed)
                 {
                     pointDesktop = new Point(ViewboxFloatingBar.Margin.Left, ViewboxFloatingBar.Margin.Top);
@@ -6689,8 +6693,12 @@ namespace Ink_Canvas
             else
             {
                 //关闭黑板
-                if (!App.StartArgs.Contains("-b"))
+                try {
+                    if (!App.StartArgs.Contains("-b"))
+                        Topmost = true;
+                } catch {
                     Topmost = true;
+                }
 
                 if (isInMultiTouchMode) BorderMultiTouchMode_MouseUp(null, null);