Posted 23 March 2024, 10:20 pm EST
This seems to be caused by the change for fixing https://developer.mescius.com/forums/winforms-edition/applying-theme-to-c1flexgrid-resets-cellstyle-datamap - now “CellStyle.BuildString” tries to serialize a DataMap. But in my sample, the datamap items are not serializable.
This causes a crash with .643 - see attached sample FlexColDataType.zip:
System.Reflection.TargetInvocationException
HResult=0x80131604
Message=Exception has been thrown by the target of an invocation.
Source=System.Private.CoreLib
StackTrace:
at System.RuntimeMethodHandle.InvokeMethod(Object target, Span`1& arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/RuntimeMethodInfo.cs:line 435
This exception was originally thrown at this call stack:
System.Runtime.Serialization.FormatterServices.InternalGetSerializableMembers(System.Type) in FormatterServices.cs
System.Runtime.Serialization.FormatterServices.GetSerializableMembers.AnonymousMethod__5_0(System.Runtime.Serialization.MemberHolder) in FormatterServices.cs
System.Collections.Concurrent.ConcurrentDictionary<TKey, TValue>.GetOrAdd(TKey, System.Func<TKey, TValue>)
System.Runtime.Serialization.FormatterServices.GetSerializableMembers(System.Type, System.Runtime.Serialization.StreamingContext) in FormatterServices.cs
System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitMemberInfo() in WriteObjectInfo.cs
System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSerialize(object, System.Runtime.Serialization.ISurrogateSelector, System.Runtime.Serialization.StreamingContext, System.Runtime.Serialization.Formatters.Binary.SerObjectInfoInit, System.Runtime.Serialization.IFormatterConverter, System.Runtime.Serialization.Formatters.Binary.ObjectWriter, System.Runtime.Serialization.SerializationBinder) in WriteObjectInfo.cs
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Write(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo) in ObjectWriter.cs
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArrayMember(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo, object) in ObjectWriter.cs
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArray(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo, System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo) in ObjectWriter.cs
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Write(System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo, System.Runtime.Serialization.Formatters.Binary.NameInfo) in ObjectWriter.cs
...
[Call Stack Truncated]
Inner Exception 1:
SerializationException: Type 'FlexColDataType.MyData' in Assembly 'FlexColDataType, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is not marked as serializable.
Making our DataMap data serializable is not really an option…
My suggestion would be to store the DataMap content in some variable in C1FlexGrid.ThemeChanged and restore if afterwards instead of relying on the style string.
And my own workaround will be to reset the datamap before applying a theme.
Best regards
Wolfgang
