添加输入限制

MainWindow.xaml

@@ -5,8 +5,33 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:SUNLIGHT_CDKEY"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
+        Title="MainWindow" Height="400" Width="600">
     <Grid>
-        
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="20,10,0,0" TextWrapping="Wrap" Text="SN:" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <TextBox x:Name="sn_id" HorizontalAlignment="Left" Height="40" Margin="170,10,0,0" VerticalAlignment="Top" Width="340" FontSize="24"/>
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="20,55,0,0" TextWrapping="Wrap" Text="DURATION:" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="400,55,0,0" TextWrapping="Wrap" Text="MONTHS" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <ComboBox x:Name="DURATION"  HorizontalAlignment="Left" Height="40" Margin="170,55,0,0" VerticalAlignment="Top" Width="220"  DropDownClosed="DURATION_DropDownClosed" FontSize="24">
+            <ComboBoxItem Content=""></ComboBoxItem>
+            <ComboBoxItem Content="1"></ComboBoxItem>
+            <ComboBoxItem Content="2"></ComboBoxItem>
+            <ComboBoxItem Content="3"></ComboBoxItem>
+            <ComboBoxItem Content="6"></ComboBoxItem>
+            <ComboBoxItem Content="12"></ComboBoxItem>
+            <ComboBoxItem Content="FOREVER"></ComboBoxItem>
+        </ComboBox>
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="20,100,0,0" TextWrapping="Wrap" Text="TIME:" VerticalAlignment="Top" Width="88" FontSize="24"/>
+        <TextBox x:Name="T_Y" Text="0" HorizontalAlignment="Left" Height="40" Margin="170,100,0,0" VerticalAlignment="Top" Width="220" FontSize="24" InputMethod.IsInputMethodEnabled="False" PreviewTextInput="Tb_KeyFloating_Y" />
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="400,100,0,0" TextWrapping="Wrap" Text="YEAR" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <TextBox x:Name="T_M" Text="0" HorizontalAlignment="Left" Height="40" Margin="170,145,0,0" VerticalAlignment="Top" Width="220" FontSize="24" InputMethod.IsInputMethodEnabled="False" PreviewTextInput="Tb_KeyFloating_M" />
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="400,145,0,0" TextWrapping="Wrap" Text="MONTHS" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <TextBox x:Name="T_D" Text="0" HorizontalAlignment="Left" Height="40" Margin="170,190,0,0" VerticalAlignment="Top" Width="220" FontSize="24" InputMethod.IsInputMethodEnabled="False" PreviewTextInput="Tb_KeyFloating_D" />
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="400,190,0,0" TextWrapping="Wrap" Text="DAY" VerticalAlignment="Top" Width="170" FontSize="24"/>
+        <TextBlock HorizontalAlignment="Left" Height="40" Margin="20,235,0,0" TextWrapping="Wrap" Text="CDKEY:" VerticalAlignment="Top" Width="88" FontSize="24"/>
+        <TextBox x:Name="cdk" HorizontalAlignment="Left" Height="40" Margin="170,235,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="342" FontSize="24"/>
+        <Button Content="OK" HorizontalAlignment="Left" Height="40" Margin="170,280,0,0" VerticalAlignment="Top" Width="85" Background="#FFE6E6E6" Click="Button_Click"/>
+
     </Grid>
+        
+
 </Window>

MainWindow.xaml.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Data;
@@ -19,9 +20,94 @@ namespace SUNLIGHT_CDKEY
     /// </summary>
     public partial class MainWindow : Window
     {
+        int d, y, m;
+
         public MainWindow()
         {
             InitializeComponent();
+            T_Y.Text = DateTime.Now.ToString("yyyy");
+            T_M.Text = DateTime.Now.ToString("MM");
+            T_D.Text = DateTime.Now.ToString("dd");
         }
+
+        private void Tb_KeyFloating_D(object sender, TextCompositionEventArgs e)//输入事件
+        {
+            d = int.Parse(T_D.Text);
+            //Regex re = new Regex("[^0-9.-]+");
+            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
+            e.Handled = !re.IsMatch(e.Text);
+            if(d>30)T_D.Text = "30";
+        }
+
+        private void Tb_KeyFloating_Y(object sender, TextCompositionEventArgs e)//输入事件
+        {
+            y = int.Parse(T_Y.Text);
+            //Regex re = new Regex("[^0-9.-]+");
+            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
+            e.Handled = !re.IsMatch(e.Text);
+            if (y > 2099) T_Y.Text = "2099";
+        }
+
+        private void Tb_KeyFloating_M(object sender, TextCompositionEventArgs e)//输入事件
+        {
+            m = int.Parse(T_M.Text);
+            //Regex re = new Regex("[^0-9.-]+");
+            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
+            e.Handled = !re.IsMatch(e.Text);
+            if (m > 12) T_M.Text = "12";
+        }
+
+        private void DURATION_DropDownClosed(object sender, EventArgs e)
+        {
+            T_Y.Text = DateTime.Now.ToString("yyyy");
+            T_M.Text = DateTime.Now.ToString("MM");
+            T_D.Text = DateTime.Now.ToString("dd");
+
+            d = int.Parse(T_D.Text);
+            y = int.Parse(T_Y.Text);
+            m = int.Parse(T_M.Text);
+
+            if (DURATION.Text == "1")
+            {
+                m += 1;
+            }
+            else if (DURATION.Text == "2") 
+            {
+                m += 2; 
+            }
+            else if (DURATION.Text == "3") 
+            {
+                m += 3;
+            }
+            else if (DURATION.Text == "6") 
+            {
+                m += 6;
+            }
+            else if (DURATION.Text == "12") 
+            {
+                y += 1;
+            }
+            else if (DURATION.Text == "FOREVER") 
+            {
+                y = 2099;
+            }
+            if (m > 12)
+            {
+                m = m-12;
+                y += 1;
+            }
+
+            T_Y.Text=y.ToString();
+            T_M.Text=m.ToString();
+            T_D.Text=d.ToString();
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            string t;
+            t = sn_id.Text.Substring(0, 6);
+
+        }
+
     }
 }