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); } } }