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我有一個複選框列表,我需要獲取屬性名稱,如果複選框 - 或者是否有更高效的方法來做到這一點?下面的代碼確保一次只能點擊兩個複選框,我需要獲取兩個複選框的名稱。我可以循環訪問我的控件並檢索其指定屬性的名稱嗎?
當前代碼:
Private Sub cb_CheckedChanged(sender As Object, e As EventArgs) Handles chckJan.
CheckedChanged,
chckFeb.CheckedChanged,
chckMar.CheckedChanged,
chckApr.CheckedChanged,
chckMay.CheckedChanged,
chckJun.CheckedChanged,
chckJul.CheckedChanged,
chckAug.CheckedChanged,
chckOct.CheckedChanged,
chckNov.CheckedChanged,
chckDec.CheckedChanged
'get all checkboxes
Dim Months = Controls.OfType(Of CheckBox)().ToArray()
'Get the number of checked CheckBoxes.
Dim checkedBoxCount = Months.Count(Function(cb) cb.Checked)
'Unchecked CheckBoxes should be enabled if and only if the number of checked CheckBoxes is less than the maximum number allowed.
Dim enableUncheckedBoxes = checkedBoxCount < 2
'Get the unchecked CheckBoxes.
Dim uncheckedBoxes = Months.Where(Function(cb) Not cb.Checked)
'Enable or disable the unchecked CheckBoxes as appropriate.
For Each uncheckedBox In uncheckedBoxes
uncheckedBox.Enabled = enableUncheckedBoxes
Next
Dim CheckBoxArray As CheckBox() = {chckJan, chckFeb, chckMar, chckApr, chckMay, chckJun, chckJul, chckAug, chckSep, chckOct, chckNov, chckDec}
For Each CheckBox In CheckBoxArray
If CheckBox.Checked = True Then
End If
Next
End Sub
你已經提取了一個複選框列表未選中,提取複選框列表檢查應該是小菜一碟。順便說一句,處理程序錯過了chckSep – Steve
一對組合框更適合您描述的用例 – Plutonix