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常用工具集/Views/05其他/角度弧度转换.axaml.cs

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+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using System;
+using Ursa.Controls;
+
+namespace 常用工具集;
+
+public partial class 角度弧度转换 : UserControl
+{
+    public 角度弧度转换()
+    {
+        InitializeComponent();
+    }
+    private void Button_Click(object sender, RoutedEventArgs e)
+    {
+        string strAngle = txtAngle.Text;
+        double angle;
+        bool flag = double.TryParse(strAngle, out angle);
+        if (!flag)
+        {
+            MessageBox.ShowAsync("请输入0~360之间的数字");
+            return;
+        }
+        if (angle < 0 || angle > 360)
+        {
+            MessageBox.ShowAsync("请输入0~360之间的数字");
+            return;
+        }
+        double rad = angle * (Math.PI / 180);
+        txtRad.Text = string.Format("{0:N6}", rad);
+    }
+
+    private void Button_Click_1(object sender, RoutedEventArgs e)
+    {
+        string strRad = txtRad.Text;
+        double rad;
+        bool flag = double.TryParse(strRad, out rad);
+        if (!flag)
+        {
+            MessageBox.ShowAsync("请输入0~2Π之间的数字");
+            return;
+        }
+        if (rad < 0 || rad > (2 * Math.PI))
+        {
+            MessageBox.ShowAsync("请输入0~2Π之间的数字");
+            return;
+        }
+        double angle = rad * 180 / Math.PI;
+        txtAngle.Text = string.Format("{0:N6}", angle);
+    }
+
+    private void txtAngle_KeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.Enter)
+        {
+            Button_Click(sender, null);
+        }
+    }
+
+    private void txtRad_KeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.Enter)
+        {
+            Button_Click_1(sender, null);
+        }
+    }
+}