[英]Iterate through CheckedListBox in WinForms?
如果我在Win表單中有Checked列表框,我填寫如下
List<Tasks> tasks = db.GetAllTasks();
foreach (var t in tasks)
tasksCheckedListBox.Items.Add(t.Name);
如何迭代tasksCheckedListBox.Items並將一些復選框設置為已選中?
謝謝
add方法采用可選的IsChecked參數。 然后,您可以將對象以正確的狀態添加到選中的列表框中。
List<Tasks> tasks = db.GetAllTasks();
foreach (var t in tasks)
tasksCheckedListBox.Items.Add(t.Name, isChecked);
或者,您可以在使用以下內容添加項目后更改項目的已檢查狀態:
foreach(var task in tasks)
{
tasksCheckedListBox.SetItemChecked(clb.Items.IndexOf(task), isChecked);
}
如果您想在添加項目后執行此操作,MSDN上有一個示例
復制到這里:
private void CheckEveryOther_Click(object sender, System.EventArgs e) {
// Cycle through every item and check every other.
// Set flag to true to know when this code is being executed. Used in the ItemCheck
// event handler.
insideCheckEveryOther = true;
for (int i = 0; i < checkedListBox1.Items.Count; i++) {
// For every other item in the list, set as checked.
if ((i % 2) == 0) {
// But for each other item that is to be checked, set as being in an
// indeterminate checked state.
if ((i % 4) == 0)
checkedListBox1.SetItemCheckState(i, CheckState.Indeterminate);
else
checkedListBox1.SetItemChecked(i, true);
}
}
insideCheckEveryOther = false;
}
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