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我需要將一個字符串數組添加到雙精度數組中。在組合框中添加字符串和雙精度數組
Public Class Form1
Dim items() As String = {"Beef", "Chicken", "Lamb"}
Dim itemcosts() As Double = {7, 4, 3}
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles btn_starttest.Click
cmb_test.Items.AddRange(items + items)
End Sub
End Class
它返回一個錯誤,我不能添加兩個字符串。
您需要更改的AddRange'(項目+項目)''來的AddRange(項目)' –