AppTheming and XAML

ShellDemo/Pages/SelectionPage.xaml.cs

@@ -0,0 +1,65 @@
+// SelectionPage - CheckBox, Switch, Slider Demo
+
+using Microsoft.Maui.Controls;
+
+namespace ShellDemo;
+
+public partial class SelectionPage : ContentPage
+{
+    private int _eventCount = 0;
+
+    public SelectionPage()
+    {
+        InitializeComponent();
+    }
+
+    private void OnCheckboxChanged(object? sender, CheckedChangedEventArgs e)
+    {
+        if (sender == Checkbox1)
+            LogEvent($"Checkbox 1: {(e.Value ? "Checked" : "Unchecked")}");
+        else if (sender == Checkbox2)
+            LogEvent($"Checkbox 2: {(e.Value ? "Checked" : "Unchecked")}");
+    }
+
+    private void OnColoredCheckboxChanged(object? sender, CheckedChangedEventArgs e)
+    {
+        if (sender is CheckBox cb)
+            LogEvent($"{cb.Color} checkbox: {(e.Value ? "Checked" : "Unchecked")}");
+    }
+
+    private void OnSwitchToggled(object? sender, ToggledEventArgs e)
+    {
+        SwitchStatusLabel.Text = e.Value ? "On" : "Off";
+        LogEvent($"Switch toggled: {(e.Value ? "ON" : "OFF")}");
+    }
+
+    private void OnColoredSwitchToggled(object? sender, ToggledEventArgs e)
+    {
+        if (sender is Switch sw)
+            LogEvent($"{sw.OnColor} switch: {(e.Value ? "ON" : "OFF")}");
+    }
+
+    private void OnSliderValueChanged(object? sender, ValueChangedEventArgs e)
+    {
+        SliderValueLabel.Text = $"Value: {(int)e.NewValue}";
+        LogEvent($"Slider value: {(int)e.NewValue}");
+    }
+
+    private void OnTempSliderValueChanged(object? sender, ValueChangedEventArgs e)
+    {
+        TempLabel.Text = $"{(int)e.NewValue}°C";
+        LogEvent($"Temperature: {(int)e.NewValue}°C");
+    }
+
+    private void OnColoredSliderValueChanged(object? sender, ValueChangedEventArgs e)
+    {
+        LogEvent($"Colored slider: {(int)e.NewValue}");
+    }
+
+    private void LogEvent(string message)
+    {
+        _eventCount++;
+        var timestamp = DateTime.Now.ToString("HH:mm:ss");
+        EventLogLabel.Text = $"[{timestamp}] {_eventCount}. {message}\n{EventLogLabel.Text}";
+    }
+}