How Can I Efficiently Communicate Between Multiple Windows Forms in C#?

C# multi -window efficient communication method

In C# development, efficient communication between windows can significantly improve user experience and application functions. For example, data interaction between the main window and the option window: The user clicks the "Options" menu item of the main window to display the option window and allow custom settings.

Traditional methods will become cumbersome when processing a large number of options. A more effective method is to use the reference between the heavy load constructor and the window. When Form1 triggers FORM2 display, the heavy load constructor of Form2 accepts Form1 as a parameter to create a reference.

This reference allows Form2 to access public members who directly access Form1. For example, when the labeltext attribute is made public in Form1, Form2 can modify the attribute and achieve two -way communication.

The following is the modified Form1 and FORM2 code fragment:

FORM1:

FORM2:

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
        Form2 frm = new Form2(this); // 传递 Form1 作为参数
        frm.Show();
    }

    public string LabelText
    {
        get { return Lbl.Text; }
        set { Lbl.Text = value; }
    }
}

This method makes communication between windows more concise and efficient, ensuring the fluency of data exchange in the C# application and enhancement of user interaction.

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