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  • WPF--动态添加控件、访问控件

    //WPF窗口采用默认的Grid布局控件,其“Name”值为“grid1”,在“grid1”中添加三个Button按钮。动态添加控件并访问这些控件的代码如下:

    private
    void button1_Click_1(object sender, RoutedEventArgs e) { //添加第一个文本框 TextBox tb1 = new TextBox(); tb1.Name = "myTextBox1"; tb1.Text = "第一个文本框"; tb1.Width = 100; tb1.Height = 50; tb1.HorizontalAlignment = HorizontalAlignment.Left; tb1.VerticalAlignment = VerticalAlignment.Top; tb1.Margin = new Thickness(100, 100, 0, 0); grid1.Children.Add(tb1); //添加第二个文本框 TextBox tb2 = new TextBox(); tb2.Name = "myTextBox2"; tb2.Text = "第二个文本框"; tb2.Width = 100; tb2.Height = 50; tb2.HorizontalAlignment = HorizontalAlignment.Left; tb2.VerticalAlignment = VerticalAlignment.Top; tb2.Margin = new Thickness(100, 150, 0, 0); grid1.Children.Add(tb2); } private void button2_Click(object sender, RoutedEventArgs e) { //访问添加的全部文本框 foreach (var c in grid1.Children) { if (c is TextBox) { TextBox tb = (TextBox)c; MessageBox.Show(tb.Text); } } } private void button3_Click(object sender, RoutedEventArgs e) { //访问添加的某个文本框 foreach (var c in grid1.Children) { if (c is TextBox) { TextBox tb = (TextBox)c; if (tb.Name == "myTextBox2") { MessageBox.Show(tb.Text); } } } }
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  • 原文地址:https://www.cnblogs.com/DreamRecorder/p/9453138.html
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