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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
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.Shapes;
namespace FLY.Thick.Base.UI
{
/// <summary>
/// Window_AHelper.xaml 的交互逻辑
/// </summary>
public partial class WdAbHelper : FLY.ControlLibrary.WindowBigClose
{
WdAbHelperVm viewModel;
public double A { get { return viewModel.A; } }
public double B { get { return viewModel.B; } }
//外部值
private double a;
private double b;
public WdAbHelper()
{
InitializeComponent();
viewModel = new WdAbHelperVm();
this.DataContext = viewModel;
}
public void Init(double a,double b)
{
this.a = a;
this.b = b;
viewModel.A = a;
viewModel.B = b;
}
private void button_cal_Click(object sender, RoutedEventArgs e)
{
if ((viewModel.X2 == viewModel.X1) && (viewModel.Y2 != viewModel.Y1))
{
FLY.ControlLibrary.Window_WarningTip.Show("异常!!!!",
"X2 == X1 但 Y2 != Y1",
TimeSpan.FromSeconds(2));
return;
}
if ((viewModel.X2 != viewModel.X1) && (viewModel.Y2 == viewModel.Y1))
{
FLY.ControlLibrary.Window_WarningTip.Show("异常!!!!",
"X2 != X1 但 Y2 == Y1",
TimeSpan.FromSeconds(2));
return;
}
else if (a == 0)
{
FLY.ControlLibrary.Window_WarningTip.Show("异常!!!!",
"A==0",
TimeSpan.FromSeconds(2));
return;
}
if ((viewModel.X2 == viewModel.X1) && (viewModel.Y2 == viewModel.Y1))
{
viewModel.A = a;
viewModel.B = viewModel.Y2 - viewModel.X2 + b;
}
else
{
double x2 = (viewModel.X2 - b) / a;
double x1 = (viewModel.X1 - b) / a;
viewModel.A = (viewModel.Y2 - viewModel.Y1) / (x2 - x1);
viewModel.B = viewModel.Y2 - viewModel.A * x2;
}
FLY.ControlLibrary.Window_Tip.Show("成功",
"计算成功",
TimeSpan.FromSeconds(2));
}
private void button_apply_Click(object sender, RoutedEventArgs e)
{
this.DialogResult = true;
}
}
public class WdAbHelperVm : INotifyPropertyChanged
{
public double X1 { get; set; }
public double Y1 { get; set; }
public double X2 { get; set; }
public double Y2 { get; set; }
public double A { get; set; }
public double B { get; set; }
public bool IsJustB { get; set; }
public event PropertyChangedEventHandler PropertyChanged;
}
}