: Object does not match target type.Īt (.)Īt (.)Īt (.)Īt (.) But to give you an example, the final method, where the bulk of the work is done, is over 400 LOC!īut this is a nice overview, however what is it specifically doing? Fetching the Method informationīefore you can invoke a field/property/method via reflection you have to get the FieldInfo/PropertyInfo/MethodInfo handle for it, using code like this: stub for (.) - linkĮven if you don’t click the links and look at the individual C#/cpp methods, you can intuitively tell that there’s alot of code being executed along the way.Well there several things that are happening, to illustrate this lets look at the managed and unmanaged code call-stack that a reflection call goes through. So we know that ensuring reflection was fast was not a design goal, but what is it doing that takes the extra time? EEClass stores “cold” data that are typically only needed by type loading, JITing or reflection. MethodTable itself is meant to only store “hot” data that are needed in program steady state. MethodTable data are split into “hot” and “cold” structures to improve working set and cache utilization. All information in the metadata is directly reflected in the CLR data structures.Īnd along the same lines, from Type Loader Design - ‘Key Data Structures’:.
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