在Visual Basic中創建右鍵彈出式菜單可以通過以下步驟實現：

1. 在Form的屬性中設置Form的ContextMenu屬性為一個新的ContextMenu組件。

2. 在Form的Load事件中添加代碼來創建菜單項并將其添加到ContextMenu組件中。例如：

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
    Dim menuItem As New MenuItem("菜單項1")
    AddHandler menuItem.Click, AddressOf MenuItem_Click
    Me.ContextMenu1.MenuItems.Add(menuItem)

    Dim menuItem2 As New MenuItem("菜單項2")
    AddHandler menuItem2.Click, AddressOf MenuItem_Click
    Me.ContextMenu1.MenuItems.Add(menuItem2)
End Sub

Private Sub MenuItem_Click(sender As Object, e As EventArgs)
    Dim menuItem As MenuItem = DirectCast(sender, MenuItem)
    MessageBox.Show("你點擊了" & menuItem.Text)
End Sub

3. 在Form中的MouseClick事件中添加代碼來顯示ContextMenu組件。例如：

Private Sub Form1_MouseClick(sender As Object, e As MouseEventArgs) Handles Me.MouseClick
    If e.Button = MouseButtons.Right Then
        Me.ContextMenu1.Show(Me, e.Location)
    End If
End Sub

以上就是在Visual Basic中創建右鍵彈出式菜單的簡單方法。您可以根據需要自定義菜單項和菜單項的點擊事件。