Differences

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--- swdev:dotnet:wpf:dependency_properties [2011/04/28 09:12]
smayr [Example 2]
+++ swdev:dotnet:wpf:dependency_properties [2013/01/25 09:16] (current)
smayr [Example 1]
@@ Line 57: / Line 57: @@
     DependencyObject source, DependencyPropertyChangedEventArgs e)
   {
-       bool control = source as bool;
+       Button control = source as Button;
        // Put some update logic here...
-       control = (bool)e.NewValue;
+       control.IsCancel = (bool)e.NewValue;
-       if (control == true)
+       if (control.IsCancel == true)
        {
            // do something
@@ Line 99: / Line 99: @@
     // If employee id is greater than 1000 then make it 1000
-    static void EmpIdCallBack(DependencyObject d,
+    static void EmpIdCallBack(DependencyObject d, DependencyPropertyChangedEventArgs args)
-        DependencyPropertyChangedEventArgs args)
     {
         Employee emp = (Employee)d;
@@ Line 182: / Line 181: @@
 C# code:
 <code csharp>
-. . .
+using System;
-public partial class ucActiveInstrument : UserControl
+using System.Collections.Generic;
-{
+using System.Linq;
-    #region DependencyProperty SelectedItemIndex
+using System.Text;
-    //-----------------------------------
+using System.Windows;
-    // SelectedItemIndex
+using System.Windows.Controls;
-    //-----------------------------------
+using System.Windows.Data;
-    // Dependency Property
+using System.Windows.Documents;
-    public static readonly DependencyProperty SelectedItemIndexProperty =
+using System.Windows.Input;
-      DependencyProperty.Register(
+using System.Windows.Media;
-          "SelectedItemIndex",
+using System.Windows.Media.Imaging;
-          typeof(int),
+using System.Windows.Navigation;
-          typeof(ucActiveInstrument),
+using System.Windows.Shapes;
-          new FrameworkPropertyMetadata(
-                new int(),
-                OnSelectedItemIndexPropertyChanged
-          )
-      );
-    // .NET Property Wrapper
+namespace ACME.Controls
-    public int SelectedItemIndex
+{
+    public partial class ucActiveInstrument : UserControl
     {
-        // Important: Do not add any logic to these properties, because they are only
+        #region DependencyProperty SelectedItemIndex
-        // called when you set the property from code. If you set the property from XAML
+        //-----------------------------------
-        // the SetValue() method is called directly.
+        // SelectedItemIndex
-        get { return (int)GetValue(SelectedItemIndexProperty); }
+        //-----------------------------------
-        set { SetValue(SelectedItemIndexProperty, value); }
+        // Dependency Property
-    }
+        public static readonly DependencyProperty SelectedItemIndexProperty =
-    // Alias
+          DependencyProperty.Register(
-    public int SelectedItemIdx
+              "SelectedItemIndex",
-    {
+              typeof(int),
-        get { return SelectedItemIndex; }
+              typeof(ucActiveInstrument),
-    }
+              new FrameworkPropertyMetadata(
+                    new int(),
+                    OnSelectedItemIndexPropertyChanged
+              )
+          );
-    ///----------------------------------------------------------------------------------------
+        // .NET Property Wrapper
-    /// <summary>
+        public int SelectedItemIndex
-    /// OnPropertyChanged event handler for fitting view model.
+        {
-    /// </summary>
+            // Important: Do not add any logic to these properties, because they are only
-    /// <param name="source">Source control</param>
+            // called when you set the property from code. If you set the property from XAML
-    /// <param name="e">Event Arguments</param>
+            // the SetValue() method is called directly.
-    ///----------------------------------------------------------------------------------------
+            get { return (int)GetValue(SelectedItemIndexProperty); }
-    private static void OnSelectedItemIndexPropertyChanged(
+            set { SetValue(SelectedItemIndexProperty, value); }
-      DependencyObject source,
+        }
-      DependencyPropertyChangedEventArgs e)
+        // Alias
-    {
+        public int SelectedItemIdx
-        ucActiveInstrument control = source as ucActiveInstrument;
+        {
-        //DateTime time = (DateTime)e.NewValue;
+            get { return SelectedItemIndex; }
+        }
-        //-----------------------------------------
+        ///----------------------------------------------------------------------------------------
-        // Put some update logic here...
+        /// <summary>
-        //-----------------------------------------
+        /// OnPropertyChanged event handler for fitting view model.
-        //SetDataBinding((TFittingViewModel)e.NewValue, control);
+        /// </summary>
-        //SetBinauralView(control);
+        /// <param name="source">Source control</param>
-        control.lstOptions.SelectedIndex = (int)e.NewValue;
+        /// <param name="e">Event Arguments</param>
-    }
+        ///----------------------------------------------------------------------------------------
-    #endregion
+        private static void OnSelectedItemIndexPropertyChanged(
+          DependencyObject source,
+          DependencyPropertyChangedEventArgs e)
+        {
+            ucActiveInstrument control = source as ucActiveInstrument;
+            //DateTime time = (DateTime)e.NewValue;
-    //-----------------------------------------------------------------------------------------
+            //-----------------------------------------
-    /// <summary>
+            // Put some update logic here...
-    /// Constructor.
+            //-----------------------------------------
-    /// </summary>
+            //SetDataBinding((TFittingViewModel)e.NewValue, control);
-    //-----------------------------------------------------------------------------------------
+            //SetBinauralView(control);
-    public ucActiveInstrument()
+            control.lstOptions.SelectedIndex = (int)e.NewValue;
-    {
+        }
-        InitializeComponent();
+        #endregion
-    }
-    //-----------------------------------------------------------------------------------------
+        //-----------------------------------------------------------------------------------------
-    /// <summary>
+        /// <summary>
-    /// SelectionChange event handler for lstOptions.
+        /// Constructor.
-    /// </summary>
+        /// </summary>
-    /// <param name="sender"></param>
+        //-----------------------------------------------------------------------------------------
-    /// <param name="e"></param>
+        public ucActiveInstrument()
-    //-----------------------------------------------------------------------------------------
+        {
-    private void lstOptions_SelectionChanged(object sender, SelectionChangedEventArgs e)
+            InitializeComponent();
-    {
+        }
-        this.SelectedItemIndex = lstOptions.SelectedIndex;
-    }
+        //-----------------------------------------------------------------------------------------
+        /// <summary>
+        /// SelectionChange event handler for lstOptions.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        //-----------------------------------------------------------------------------------------
+        private void lstOptions_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            this.SelectedItemIndex = lstOptions.SelectedIndex;
+        }
+    }
 }
 </code>