Thanks, it works! I wonder if the Import works like using.... in the C# code, but it works in minor scale, such as the type reference but not assembly reference?
在 2016年3月1日星期二 UTC+8下午7:20:19，[email protected]写道： > > I want to creat a new variable, for example, StreamWriter sw. I do like > this: > var stream_ref = new TypeReference("System.IO", > "StreamWriter",MethodModule, null,true); > var streamwriter = new VariableDefinition("writer", > stream_ref); > method.Body.Variables.Add(streamwriter); > and I get the NullReferenceException, I feel there lacks something, but I > don't know where...I also wonder how to initialize the varible, like: > StreamWriter sw = new StreamWriter("./test.txt", true); > and how to refer to it. > Before, I try to create a varible like this: > ins = ilProcessor.Create(OpCodes.Ldstr, @"./test.txt"); > ilProcessor.InsertBefore(instructions[0], ins); > ins = ilProcessor.Create(OpCodes.Ldc_I4_1); > ilProcessor.InsertBefore(method.Body.Instructions[1], ins); > ins = ilProcessor.Create(OpCodes.Newobj, > MethodModule.Import(typeof(System.IO.StreamWriter).GetConstructor( new > Type[]{typeof(String), typeof(Boolean)}))); > ilProcessor.InsertBefore(instructions[2], ins); > ins = ilProcessor.Create(OpCodes.Stloc_0); > ilProcessor.InsertBefore(instructions[3], ins); > it doesn't work either. > I don't know why since the IL codes dumped from the one written in C# is > like that, I know I miss something... > Another question is how to use the variable? > > -- -- -- mono-cecil --- You received this message because you are subscribed to the Google Groups "mono-cecil" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
