[Mono-osx] Getting the return code from a NSAlert Sheet

[mateyboy]

OK, I resolved this using a different method, for anybody who is interested:

InvokeOnMainThread (delegate 
{
    // ...
    // not too sure about 'new IntPtr()' in BeginSheet. I guess it should be
a pointer to alert.Handle?
    alert.BeginSheet(this.Window, this, new Selector
("alertDidEnd:returnCode:contextInfo:"),new IntPtr());
});

I then implemented the selector:

[Export("alertDidEnd:returnCode:contextInfo:")]
public void alertDidEnd(NSAlert alert, int returnCode, NSObject contextInfo)
{
    // get return code here
}

Ta

John

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