Prevent null selection for Find All References in CE (#1588)

Hosch250 · retailcoder · commit dffdc136cda9 · 2016-05-25T23:00:35.000-04:00
diff --git a/RetailCoder.VBE/UI/CodeExplorer/Commands/CodeExplorer_FindAllReferencesCommand.cs b/RetailCoder.VBE/UI/CodeExplorer/Commands/CodeExplorer_FindAllReferencesCommand.cs
@@ -17,7 +17,9 @@ public CodeExplorer_FindAllReferencesCommand(RubberduckParserState state, FindAl
 
         public override bool CanExecute(object parameter)
         {
-            return _state.Status == ParserState.Ready && !(parameter is CodeExplorerCustomFolderViewModel);
+            return _state.Status == ParserState.Ready &&
+                parameter != null &&
+                !(parameter is CodeExplorerCustomFolderViewModel);
         }
 
         public override void Execute(object parameter)

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,9 @@ public CodeExplorer_FindAllReferencesCommand(RubberduckParserState state, FindAl`
`17`	`17`
`18`	`18`	`public override bool CanExecute(object parameter)`
`19`	`19`	`{`
`20`		`- return _state.Status == ParserState.Ready && !(parameter is CodeExplorerCustomFolderViewModel);`
	`20`	`+ return _state.Status == ParserState.Ready &&`
	`21`	`+ parameter != null &&`
	`22`	`+ !(parameter is CodeExplorerCustomFolderViewModel);`
`21`	`23`	`}`
`22`	`24`
`23`	`25`	`public override void Execute(object parameter)`