Kepler-Release/Venus/Venus_MainPages/Views/DataHistoryView.xaml.cs

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.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;
using Venus_MainPages.ViewModels;

namespace Venus_MainPages.Views
{
    /// <summary>
    /// DataHistoryView.xaml 的交互逻辑
    /// </summary>
    public partial class DataHistoryView : UserControl
    {
        public DataHistoryView()
        {
            InitializeComponent();
            //this.DataContext = new DataHistoryViewModel();
        }
        private DataHistoryViewModel _viewModel;
        private void OnChangeLineColor(object sender, RoutedEventArgs e)
        {
            var btn = (Button)sender;
            if (btn != null)
            {
                int dataId = (int)btn.Tag;
                var dlg = new System.Windows.Forms.ColorDialog();
                if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                {
                    var newColor = new System.Windows.Media.Color() { A = dlg.Color.A, B = dlg.Color.B, G = dlg.Color.G, R = dlg.Color.R };
                    System.Drawing.Color _newColor = System.Drawing.Color.FromArgb(newColor.A, newColor.R, newColor.G, newColor.B);
                    _viewModel = (DataHistoryViewModel)DataContext;
                    var item = _viewModel.KeyDataObservableCollection.ToList().Find(t => t.UniqueId == dataId);
                    item.Color = new SolidColorBrush(newColor);
                    _viewModel.ColorChanged();
                    
                }
            }
        }
    }
}