当窗口出现时,我需要对以下代码做些什么才能使第二个文本框中的光标闪烁?
XAML:
<Window x:Class="TestFocksdfj.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<StackPanel HorizontalAlignment="Left" Margin="10">
<ContentControl x:Name="FormArea"/>
</StackPanel>
</Window>
代码隐藏:
using System.Windows;
using System.Windows.Controls;
namespace TestFocksdfj
{
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
StackPanel sp = new StackPanel();
for (int i = 0; i < 3; i++)
{
TextBox tb = new TextBox();
tb.Width = 200;
tb.Margin = new Thickness { Bottom = 3 };
if (i == 1)
tb.Focus();
sp.Children.Add(tb);
}
FormArea.Content = sp;
}
}
}
最佳答案
在调用 FormArea.Content = sp;
之后,您可以调用 sp.Children[1].Focus();
为第二个文本框提供焦点。
像这样:
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
StackPanel sp = new StackPanel();
for (int i = 0; i < 3; i++)
{
TextBox tb = new TextBox();
tb.Width = 200;
tb.Margin = new Thickness { Bottom = 3 };
sp.Children.Add(tb);
}
FormArea.Content = sp;
sp.Children[1].Focus();
}
}
关于c# - 如何在以编程方式创建的文本框中设置焦点?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/2253018/