PDFOffice_Windows_exe/PDF Office/Views/PropertyPanel/AnnotPanel/FreetextAnnotProperty.xaml.cs

using PDF_Office.CustomControl;
using PDF_Office.ViewModels.PropertyPanel.AnnotPanel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace PDF_Office.Views.PropertyPanel.AnnotPanel
{
    /// <summary>
    /// FreetextAnnotProperty.xaml 的交互逻辑
    /// </summary>
    public partial class FreetextAnnotProperty : UserControl
    {
      
        public FreetextAnnotProperty()
        {
            InitializeComponent();

            this.Loaded += usercontrol_Loaded;
            this.Unloaded += usercontrol_Unloaded;
          
        }

        private void usercontrol_Loaded(object sender, RoutedEventArgs e)
        {
            FontFamilyBox.SelectedIndex = 0;
            FontStyleBox.SelectedIndex = 0;
            FontSizeBox.SelectedIndex = 0;
            ThicknessBox.SelectedIndex = 0;
            BindingEvent();
        }

        private void usercontrol_Unloaded(object sender, RoutedEventArgs e)
        {
            UnBindingEvent();
        }

        private void BindingEvent()
        {
            UnBindingEvent();
            ThicknessBox.SelectionChanged += ThicknessBox_SelectionChanged;
        }

        private void UnBindingEvent()
        {
            ThicknessBox.SelectionChanged -= ThicknessBox_SelectionChanged;
        }

        private void ThicknessBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var listItem = ThicknessBox.ItemContainerGenerator.ContainerFromItem(ThicknessBox.SelectedItem) as ComboBoxItem;
            if (listItem != null)
                ThicknessText.Text = listItem.Content.ToString();
            else
                ThicknessText.Text = "1";
           
        }

    }
}