Forms

winforms - Windows Forms C# : problem with registration system, forms, I don't know how to close the form, switching to
I have an issue regarding the login and password system. I recently started working with C#, and as a s
admin18天前
110
vs2019 System.Windows.Forms.dll
vs 2019找不到using System.Windows.Forms; 下载一个System.Windows.Forms.dll 1.解决方案资源管理器，点击项目文件（如图中的hello)
systemwindowsDllForms
admin3月前
410