嘿,我正在尝试使用以下代码向我的网格添加标签:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Button1.Click
Dim dynamicLabel As New Label()
Dim g As New Grid
dynamicLabel.Name = "NewLabel"
dynamicLabel.Content = "TEST"
dynamicLabel.Width = 240
dynamicLabel.Height = 30
dynamicLabel.Margin = New Thickness(0, 21, 0, 0)
dynamicLabel.Foreground = New SolidColorBrush(Colors.White)
dynamicLabel.Background = New SolidColorBrush(Colors.Black)
Grid.SetRow(dynamicLabel, 0)
Grid.SetColumn(dynamicLabel, 6)
g.Children.Add(dynamicLabel)
End Sub
然而,在我按下按钮后,我在网格上再也看不到任何东西......我错过了什么?
我通过命名另一个网格来纠正这个问题。我从未命名过网格,因此这就是为什么.Children.Add永远不会添加到网格中。我试过mainGrid.Children.Add(mainGrid是我的父网格的名称)并且它总是会抛出错误,因为它是网格inside这部分需要它。
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) //Handles Button1.Click
Dim dynamicLabel As new Label();
dynamicLabel.Name = "NewLabel";
dynamicLabel.Content = "TEST";
dynamicLabel.Width = 240;
dynamicLabel.Height = 30;
dynamicLabel.Margin = new Thickness(0, 21, 0, 0);
dynamicLabel.Foreground = new SolidColorBrush(Colors.White);
dynamicLabel.Background = new SolidColorBrush(Colors.Black);
Grid.SetRow(dynamicLabel, 0);
Grid.SetColumn(dynamicLabel, 0);
childGrid.Children.Add(dynamicLabel); //'<-changed to grid name in XAML properties
End Sub
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