我拥有的：
我有两个组框，每个组框内都有一个文本框。第三个文本框放置在两个组框的外部。
按钮 1 是表单加载时的默认接受按钮。
我需要的：
当单击按钮 1（或按下 Enter 键）时，我需要按钮 2 成为默认接受按钮。
我的问题：
尽管我的代码如此，但按钮 3 成为默认接受按钮而不是按钮 2。
My code:
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
GroupBox1.Enabled = True
GroupBox2.Enabled = False
Me.AcceptButton = Button1
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
MessageBox.Show("Button 1 pressed!")
GroupBox1.Enabled = False
GroupBox2.Enabled = True
Me.AcceptButton = Button2
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
MessageBox.Show("Button 2 pressed!")
GroupBox1.Enabled = True
GroupBox2.Enabled = False
Me.AcceptButton = Button1
End Sub
End Class
问题是按下按钮 1 后按钮 3 获得焦点。
您可以通过添加代码以将焦点集中到按钮 1 单击事件中所需的按钮来修复此问题。 “Button2.Focus()”等..
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
MessageBox.Show("Button 1 pressed!")
GroupBox1.Enabled = False
GroupBox2.Enabled = True
Me.AcceptButton = Button2
Button2.Focus()
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
MessageBox.Show("Button 2 pressed!")
GroupBox1.Enabled = True
GroupBox2.Enabled = False
Me.AcceptButton = Button1
Button1.Focus()
End Sub
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