From ad2a2a5aefe4559a4da892a6a4e705dd8c55e401 Mon Sep 17 00:00:00 2001
From: ZouJin <zoujin.dev@exlb.org>
Date: Sun, 7 Apr 2024 15:00:34 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E9=9F=B3=E4=B9=90=E8=AF=BB?=
 =?UTF-8?q?=E5=8F=96=E5=AE=B9=E9=94=99?=
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---
 VPet-Simulator.Windows/MainWindow.cs | 33 +++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/VPet-Simulator.Windows/MainWindow.cs b/VPet-Simulator.Windows/MainWindow.cs
index da67258..f41b5a3 100644
--- a/VPet-Simulator.Windows/MainWindow.cs
+++ b/VPet-Simulator.Windows/MainWindow.cs
@@ -961,16 +961,43 @@ namespace VPet_Simulator.Windows
                 }
             }
         }
-#pragma warning disable CS0414 // 字段“MainWindow.AudioPlayingVolumeOK”已被赋值，但从未使用过它的值
         private bool? AudioPlayingVolumeOK = null;
-#pragma warning restore CS0414 // 字段“MainWindow.AudioPlayingVolumeOK”已被赋值，但从未使用过它的值
         /// <summary>
         /// 获得当前系统音乐播放音量
         /// </summary>
         public float AudioPlayingVolume()
         {
-            try
+            if (AudioPlayingVolumeOK == null)
+            {//第一调用检查是否支持
+                try
+                {//后续容错可能是偶发性
+                    using (var enumerator = new MMDeviceEnumerator())
+                    {
+                        if (enumerator.HasDefaultAudioEndpoint(DataFlow.Render, Role.Console))
+                        {
+                            var device = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
+                            AudioPlayingVolumeOK = true;
+                            return device.AudioMeterInformation.MasterPeakValue;
+                        }
+                        else
+                        {
+                            AudioPlayingVolumeOK = false;
+                            return -1;
+                        }
+                    }
+                }
+                catch
+                {
+                    AudioPlayingVolumeOK = false;
+                    return -1;
+                }
+            }
+            else if (AudioPlayingVolumeOK == false)
             {
+                return -1;
+            }
+            try
+            {//后续容错可能是偶发性
                 using (var enumerator = new MMDeviceEnumerator())
                 {
                     if (enumerator.HasDefaultAudioEndpoint(DataFlow.Render, Role.Console))