I have a switch statement which does not handle all enum values. The IL
code shows
L_0069: switch (L_008f, L_024b, L_019c, L_024b, L_024b, L_01ae, L_0257)
L_024b for last return instruction.
After injection L_024b does not exist anymore and I tried to replace L_024b in
switch statement by new leave instruction (encapsulated code by try finally
block).
While looping through values in Operand array of switch instruction all items
which should contain L_024b are null.
I implemented following code to fix this
if (instruction.Operand != null && instruction.OpCode == OpCodes.Switch)
{
Instruction[] switchInstructions = instruction.Operand as
Instruction[];
for (int i = 0; i < switchInstructions.Length; i++)
{
var ins = switchInstructions[i];
if (ins == null)
{
switchInstructions[i] = leaveInstruction;
}
}
}
But after saving dll to disk and having a look into IL code with .Net Reflector
the array still contains L_024b which does not exist anymore.
Has anybody an idea why replacing this instruction reference does not work?
Does anybody know why values in array are null if looking into them via
debugger, but are not if looking into IL code via reflector?
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