| I am developing a WinForms application, one of my form designer doesn't load and getting the following error. Failed to load designer. Check the source code for syntax errors and check if all references are available. ICSharpCode.FormsDesigner.FormsDesignerLoadException: System.ArgumentNullException: Value cannot be null. Parameter name: value at System.Collections.CollectionBase.OnValidate(Object value) at System.Collections.CollectionBase.System.Collections.IList.Add(Object value) at System.CodeDom.CodeExpressionCollection.AddRange(CodeExpression[ value) at System.CodeDom.CodeObjectCreateExpression..ctor(CodeTypeReference createType, CodeExpression[ parameters) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.AddEventHandler(Expression eventExpr, Expression handler, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitAssignmentExpression(AssignmentExpression assignmentExpression, Object data) at ICSharpCode.NRefactory.Ast.AssignmentExpression.AcceptVisitor(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitExpressionStatement(ExpressionStatement expressionStatement, Object data) at ICSharpCode.NRefactory.Ast.ExpressionStatement.AcceptVisitor(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Ast.AbstractNode.AcceptChildren(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitMethodDeclaration(MethodDeclaration methodDeclaration, Object data) at ICSharpCode.NRefactory.Ast.MethodDeclaration.AcceptVisitor(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Ast.AbstractNode.AcceptChildren(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitTypeDeclaration(TypeDeclaration typeDeclaration, Object data) at ICSharpCode.NRefactory.Ast.TypeDeclaration.AcceptVisitor(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Ast.AbstractNode.AcceptChildren(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration, Object data) at ICSharpCode.NRefactory.Ast.NamespaceDeclaration.AcceptVisitor(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Ast.AbstractNode.AcceptChildren(IAstVisitor visitor, Object data) at ICSharpCode.NRefactory.Visitors.CodeDomVisitor.VisitCompilationUnit(CompilationUnit compilationUnit, Object data) at ICSharpCode.FormsDesigner.NRefactoryDesignerLoader.Parse() at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.EnsureDocument(IDesignerSerializationManager manager) at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager) at System.ComponentModel.Design.Serialization.BasicDesignerLoader.BeginLoad(IDesignerLoaderHost host) at ICSharpCode.FormsDesigner.FormsDesignerViewContent.LoadDesigner() at ICSharpCode.FormsDesigner.FormsDesignerViewContent.LoadAndDisplayDesigner() at ICSharpCode.FormsDesigner.FormsDesignerViewContent.LoadInternal(OpenedFile file, Stream stream) at ICSharpCode.SharpDevelop.Gui.AbstractViewContentHandlingLoadErrors.Load(OpenedFile file, Stream stream) |
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Failed to load winforms form designer on SD 4.4
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