74 lines
2.0 KiB
C#
74 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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namespace FujianEarthquake.Views
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{
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/// <summary>
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/// SystemControlView.xaml 的交互逻辑
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/// </summary>
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public partial class SystemControlView : UserControl
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{
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public SystemControlView()
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{
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InitializeComponent();
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this.DataContext = MainWindow.mainViewModel;
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}
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private void SetVoltageTB_PreviewTextInput(object sender, TextCompositionEventArgs e)
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{
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//e.Handled = !IsTextValidForIntegerOrDecimal(e.Text);
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string input = e.Text;
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if (!char.IsDigit(input[0]) && input != "." && !char.IsControl(input[0]))
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{
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e.Handled = true;
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}
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}
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private void SetCurrentTB_PreviewTextInput(object sender, TextCompositionEventArgs e)
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{
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e.Handled = !IsTextValidForIntegerOrDecimal(e.Text);
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}
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private void ProVoltageTB_PreviewTextInput(object sender, TextCompositionEventArgs e)
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{
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e.Handled = !IsTextValidForIntegerOrDecimal(e.Text);
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}
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private void ProCurrentTB_PreviewTextInput(object sender, TextCompositionEventArgs e)
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{
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e.Handled = !IsTextValidForIntegerOrDecimal(e.Text);
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}
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private bool IsTextValidForIntegerOrDecimal(string text)
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{
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if (string.IsNullOrEmpty(text))
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return false;
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foreach (char c in text)
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{
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if (char.IsControl(c) || c == '.')
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continue;
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if (!char.IsDigit(c))
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return false;
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}
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return true;
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}
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}
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}
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