✔ 最佳答案
在第1張 form 宣告一個 public property
Public Class Form1
Public MyValue As String
Public Sub New()
InitializeComponent()
MyValue = "789"
End Sub
End Class
在第2 張 form 入面
Public Class Form2
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
MessageBox.Show(Form1.MyValue)
End Sub
End Class