如何在2种形式之间共享变量？ 项目中的全局变量

Question

hi i want to share a variable between 2 form. 2 forms is in the one project. In fact,i want a global variable in the project how can i do it?

Language: c# .net

Thanks

Answer 1

Create a static class with static field/property like following:

public static class DataContainer
{
    public static Int32 ValueToShare;
}

use it in multiple forms like following:

    public void Form1_Method()
    {
        DataContainer.ValueToShare = 10;
    }

    public void Form2_Method()
    {
        MessageBox.Show(DataContainer.ValueToShare.ToString());
    }

Answer 2

创建一个公共静态属性/方法/变量。

Answer 3

You can create a static class with static properties inside that. That will do it.

Answer 4

The most straight forward way is to pass the variable to the forms.

It's hard to get into too much detail without knowing what your program does and how the forms are loaded, but I'd have the forms accept an argument in the constructor or something. If the argument is a reference type, both forms would reference the same data.