UE 解析启动命令行参数

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const TCHAR* CmdLineParam = FCommandLine::Get();

bool value = FParse::Param(CmdLineParam, TEXT("XXXXXXX"));

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const TCHAR* CmdLineParam = FCommandLine::Get();  

FString XValue;  
FParse::Value(CmdLineParam, TEXT("-XXXXXXX="), XValue);