求教Delphi函数指针如何翻译成C#

[wlxc]

TPreEvaInfoFunc = procedure(var ALst: array of TPreEvaInfo; ACount: Integer); stdcall;

翻译成C#是怎么写？TPreEvaInfo是结构体

[sololie]

public delegate void TPreEvaInfoFunc(ref TPreEvainfo[], int ACount);