我是编程新手,我正在尝试在这里进行拖放,我现在可以拖放,但是要拖放的自定义光标很难看,我如何拖动我作为光标拖动的元素?我在网上搜索,发现一些关于装饰器的提及,但我什至不明白代码。有没有简单或简化的更好的方法来做到这一点?
我在这里有这段代码,我可以拖放(我在 for 循环中动态创建了文本框和标签,我检索文本并将其附加到数据库中的标签:
TextBox tbox = new TextBox();
tbox.Width = 250;
tbox.Height = 50;
tbox.AllowDrop = true;
tbox.FontSize = 24;
tbox.BorderThickness = new Thickness(2);
tbox.BorderBrush = Brushes.BlanchedAlmond;
tbox.PreviewDrop += new DragEventHandler(tbox_Drop);
if (lstQuestion[i].Answer.Trim().Length > 0)
{
wrapPanel2.Children.Add(tbox);
answers.Add(lbl.Content.ToString());
MatchWords.Add(question.Content.ToString(), lbl.Content.ToString());
}
Dictionary<string, string> shuffled = Shuffle(MatchWords);
foreach (KeyValuePair<string, string> s in shuffled)
{
Label lbl = new Label();
lbl.Content = s.Value;
lbl.Width = 100;
lbl.Height = 50;
lbl.FontSize = 24;
lbl.DragEnter += new DragEventHandler(lbl_DragEnter);
// lbl.MouseMove += new MouseEventHandler(lbl_MouseMove);
lbl.MouseDown +=new MouseButtonEventHandler(lbl_MouseDown);
dockPanel1.Children.Add(lbl);
}
我正在将标签(拖动目标)拖入文本框(放置目标),我应该使用哪个事件以及如何编写事件以将拖动光标设置为我正在拖动的标签?
以下是我使用 atm 的事件:
private void tbox_Drop(object sender, DragEventArgs e)
{
MessageBox.Show("Are you sure ? Wrong don't blame me ");
(sender as TextBox).Text = string.Empty;
}
private void lbl_DragEnter(object sender, DragEventArgs e)
{
if (sender == e.Source)
{
e.Effects = DragDropEffects.None;
}
}
感谢任何解决方案或帮助,我见过 adorner,它的方式太复杂了,我无法理解实现它。寻找一种简单而简化的方法来做到这一点。