简书链接:关于c参数返回返回临时变量返回局部变量地址错误的解决
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错误代码

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FBox* UIActorExtensionMethods::GetComponentsBoundingBoxX(AActor* This)
{
	FBox box1 = This->GetComponentsBoundingBox();
	return &box1;//则提示返回临时变量返回局部变量地址错误
}

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推荐使用传递引用的办法。

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FBox* UIActorExtensionMethods::GetComponentsBoundingBoxX(AActor* This)
{
	FBox* box1 = new FBox(This->GetComponentsBoundingBox());
	return box1;//如果直接 FBox =This->GetComponentsBoundingBox()然后&FBox 则提示返回临时变量返回局部变量地址错误
}


FBox UIActorExtensionMethods::GetComponentsBoundingBoxX1(AActor* This)
{
	static FBox box1 = This->GetComponentsBoundingBox();
	return box1;
}

void UIActorExtensionMethods::GetComponentsBoundingBoxX2(AActor* This, FBox& OutBox)
{
	OutBox = This->GetComponentsBoundingBox();
	
}