Fixed an incorrect argument check

Sergio0694 · Sergio0694 · commit d61cd2471685 · 2021-02-04T01:29:53.000+01:00
diff --git a/Microsoft.Toolkit.Uwp.UI.Controls/TokenizingTextBox/InterspersedObservableCollection.cs b/Microsoft.Toolkit.Uwp.UI.Controls/TokenizingTextBox/InterspersedObservableCollection.cs
@@ -200,7 +200,7 @@ private int ToInnerIndex(int outerIndex)
                 throw new ArgumentOutOfRangeException(nameof(outerIndex));
             }
 
-            if (!_interspersedObjects.ContainsKey(outerIndex))
+            if (_interspersedObjects.ContainsKey(outerIndex))
             {
                 throw new ArgumentException("The outer index can't be inserted as a key to the original collection.");
             }

Original file line number	Diff line number	Diff line change
`@@ -200,7 +200,7 @@ private int ToInnerIndex(int outerIndex)`
`200`	`200`	`throw new ArgumentOutOfRangeException(nameof(outerIndex));`
`201`	`201`	`}`
`202`	`202`
`203`		`- if (!_interspersedObjects.ContainsKey(outerIndex))`
	`203`	`+ if (_interspersedObjects.ContainsKey(outerIndex))`
`204`	`204`	`{`
`205`	`205`	`throw new ArgumentException("The outer index can't be inserted as a key to the original collection.");`
`206`	`206`	`}`