fix: 得先在music.xml里有longmusic后才能用mcm改

clansty · clansty · commit dbdacd27b460 · 2025-11-29T16:48:58.000+08:00
diff --git a/MaiChartManager/Models/MusicXml.cs b/MaiChartManager/Models/MusicXml.cs
@@ -457,7 +457,13 @@ public bool LongMusic
         set
         {
             Modified = true;
-            RootNode.SelectSingleNode("longMusic").InnerText = value ? "1" : "0";
+            var node = RootNode.SelectSingleNode("longMusic");
+            if (node == null)
+            {
+                node = RootNode.OwnerDocument.CreateElement("longMusic");
+                RootNode.AppendChild(node);
+            }
+            node.InnerText = value ? "1" : "0";
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -457,7 +457,13 @@ public bool LongMusic`
`457`	`457`	`set`
`458`	`458`	`{`
`459`	`459`	`Modified = true;`
`460`		`- RootNode.SelectSingleNode("longMusic").InnerText = value ? "1" : "0";`
	`460`	`+ var node = RootNode.SelectSingleNode("longMusic");`
	`461`	`+ if (node == null)`
	`462`	`+ {`
	`463`	`+ node = RootNode.OwnerDocument.CreateElement("longMusic");`
	`464`	`+ RootNode.AppendChild(node);`
	`465`	`+ }`
	`466`	`+ node.InnerText = value ? "1" : "0";`
`461`	`467`	`}`
`462`	`468`	`}`
`463`	`469`