TreeNodeAdv NRE fix

sergiye · sergiye · commit 1af6d7bdae5a · 2024-11-20T10:00:23.000+02:00
diff --git a/Aga.Controls/Tree/TreeNodeAdv.cs b/Aga.Controls/Tree/TreeNodeAdv.cs
@@ -221,7 +221,7 @@ public TreeNodeAdv PreviousNode
 		{
 			get
 			{
-				if (_parent != null)
+				if (_parent?.Nodes != null)
 				{
 					int index = Index;
 					if (index > 0)
@@ -235,7 +235,7 @@ public TreeNodeAdv NextNode
 		{
 			get
 			{
-				if (_parent != null)
+				if (_parent?.Nodes != null)
 				{
 					int index = Index;
 					if (index < _parent.Nodes.Count - 1)

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@ public TreeNodeAdv PreviousNode`
`221`	`221`	`{`
`222`	`222`	`get`
`223`	`223`	`{`
`224`		`- if (_parent != null)`
	`224`	`+ if (_parent?.Nodes != null)`
`225`	`225`	`{`
`226`	`226`	`int index = Index;`
`227`	`227`	`if (index > 0)`
`@@ -235,7 +235,7 @@ public TreeNodeAdv NextNode`
`235`	`235`	`{`
`236`	`236`	`get`
`237`	`237`	`{`
`238`		`- if (_parent != null)`
	`238`	`+ if (_parent?.Nodes != null)`
`239`	`239`	`{`
`240`	`240`	`int index = Index;`
`241`	`241`	`if (index < _parent.Nodes.Count - 1)`