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Siegfried Pammer

SharpDevelop 4.2: Debugging C# 5 async methods

As Chris already announced in a previous blog post, SharpDevelop 4.2 and later will support targeting .NET 4.5. One of the interesting new features in .NET 4.5/C# 5 is async. If you have already tried debugging an async method, you will have noticed, that SharpDevelop's debugger is unable to evaluate any local variables.

In short this is because async is - similar to iterator blocks (yield return) - implemented as state machine in a compiler-generated struct. So the debugger has to find the correct location (i.e. compiler-generated code) where all the local variable's values are stored.

In the most recent nightly builds of SharpDevelop 4.2 Beta 2 (starting with build, we've applied the necessary plumbing to make it work. But see for yourself:

Published Mar 10 2012, 09:38 PM by siegi44
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czmagic said:

in winapp

when i change design to source and then change to design page

the button on form change his size . the button size will small and small.

September 15, 2012 10:48 AM
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