控件动态创建与删除
private void Button_Add_Click(object sender, System.Windows.RoutedEventArgs e) ?
??????? { ?
??????????? Button btn = new Button(); ?
??????????? //btn.Name = "newButton";//這樣設置則注冊名字可為:canvas.RegisterName(btn.Name, btn);
??????????? btn.Width = 100; ?
??????????? btn.Height= 50; ?
??????????? canvas.Children.Add(btn); ?
??????????? canvas.RegisterName("newButton", btn);//注冊名字,以便以后使用? ?
??????? } ?
?
??????? private void Button_Remove_Click(object sender, RoutedEventArgs e) ?
??????? { ?
??????????? Button btn = canvas.FindName("newButton") as Button;//找到剛新添加的按鈕? ?
??????????? if (btn != null)//判斷是否找到,以免在未添加前就誤點了? ?
??????????? { ?
??????????????? canvas.Children.Remove(btn);//移除對應按鈕控件? ?
??????????????? canvas.UnregisterName("newButton");//還需要把對用的名字注銷掉,否則再次點擊Button_Add會報錯? ?
??????????? } ?
??????? }
RegisterName中的第一個重載不能為“111”之類的可強制轉換為int的string。
轉載于:https://www.cnblogs.com/colejing/p/6705128.html
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