VS Studio 2019 预览版 C# .NET Core 中是否有 Button 类？

Question

我正在 C# 中创建一个程序，但在 VS 2019中的控件区域控件中看不到按钮窗体

Answer 1

Clean your Visual Studio(Open the Cmd window > to the “C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Preview\\Common7\\IDE” where installed VS > Input the command(devenv /resetuserdata) > restart the Visual Studio)

you can also try

You can add the missing controls by below steps.

a. Right click the blank of any Tab, then choose the “Choose items…”.

b.Choose one tab on the “Choose Toolbox items” dialog.

c. Chose the controls that you want to add.