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?
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