如何使用#IF DEBUG在VB.NET [英] How to use #IF DEBUG in VB.NET

问题描述

是否有可能从内部分配一个值的一类变量 #IF DEBUG 的条件？

Is it possible to assign a value to a class variable from inside a #IF DEBUG conditional?

我想从里面我主要形式的负载，如果我在正在运行有条件地执行一些code DEBUG 模式。我想我可以做这样的事情：

I want to conditionally execute some code from inside my main form load if I am running in DEBUG mode. I thought I could do something like:

Public Class Form1
    public DEB as Integer

    #if DEBUG then
        DEB = 1
    #else
        DEB = 0
    #end if

    Private Sub Form1_Load(....)
        if DEB=1 Then
            <do something>
        else
            <do something else>
        end if
    ....

不过，好像你不能赋值给一个变量。我显然不理解的范围界定正确。我似乎无法把＃如果DEBUG 荷载子例程中。如何做到这一点？

However, it seems like you can't assign a value to a variable. I'm obviously not understanding the scoping correctly. I can't seem to put the #if DEBUG inside the Load sub routine. How do I do this?

推荐答案

为什么不直接测试的编译常量？您还没有通过测试的实际变量得到什么。

Why not just test the compilation constant directly? You are not gaining anything by testing an actual variable.

Public Class Form1

Private Sub Form1_Load(....)

#if DEBUG then
    <do something>
#else 
    <do something else>
#end if

End Sub

End Class

这篇关于如何使用#IF DEBUG在VB.NET的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！