Zahlenbox hinzugefügt

Casino/Busfahrer.xaml.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
@@ -20,7 +21,7 @@ namespace Casino
     /// </summary>
     public partial class Busfahrer : Window
     {
- 
+
 
         public Busfahrer()
         {
@@ -35,7 +36,7 @@ namespace Casino
             byte[] img = db.GetCardImage(Bild);
 
             Bild_4.Source = ByteArrayToImage(img);
-           
+
 
         }
 
@@ -49,6 +50,7 @@ namespace Casino
                 image.StreamSource = ms;
                 image.EndInit();
             }
+
             return image;
         }
 
@@ -65,5 +67,37 @@ namespace Casino
         {
             Close();
         }
+
+
+
+        private static readonly Regex _regex = new Regex("[^0-9]+€"); // Regex to match non-numeric input
+
+        //nur nummern
+        private void TextBox_OnPreviewTextInput(object sender, TextCompositionEventArgs e)
+        {
+            e.Handled = !_regex.IsMatch(e.Text);
+        }
+
+        // Keine Spaces
+        private void TextBox_OnPreviewKeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Space)
+            {
+                e.Handled = true;
+            }
+        }
+
+        //das man nichts reinkopieren kann außer Zahlen
+        private void TextBox_Pasting(object sender, DataObjectPastingEventArgs e)
+        {
+            if (e.DataObject.GetDataPresent(typeof(String)))
+            {
+                var text = (String)e.DataObject.GetData((typeof(String)));
+                if (!_regex.IsMatch((string)text))
+                {
+                    e.CancelCommand();
+                }
+            }
+        }
     }
 }