如何单击按钮然后导航到文件夹的目录 [英] How to click on a button then navigate to the folder's dirrectory

问题描述

我在做我自己的文件对话框

程序现在可以检索我电脑中的驱动器列表

如何导航到驱动器中的文件夹我选择了吗？



我尝试过：

i am doing my own file dialog
the program now able to retrieve the list of the drives in my computer
how to navigate to the folder in the drive i have selected?

What I have tried:

dim driveList as driveinfo = directcast(selectedbutton.text, driveinfo)

这行中的
我收到错误，

string无法转换成driveinfo，



在这种情况下，我无法使用DirectoryInfo获取该驱动器中的文件夹



需要一些建议

谢谢

in this line i get an error,
string can not be converted into driveinfo,

in this case i can't use DirectoryInfo to get the folder in that drive

need some advice
thank you

推荐答案

错误信息非常清楚，你不能把字符串转换为driveinfo类型，它们之间没有继承。请参阅 DirectCast Operator（Visual Basic） [ ^ ]。

The error message is perfectly clear, you cannot cast a string to a driveinfo type, there is no inheritance between them. See DirectCast Operator (Visual Basic)[^].

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