Update samples with latest APIs

Change DpiScaleInfo to DpiScale

Author: Rohit Agrawal

Diff for: PerMonitorDPI/FormattedTextExample/MainWindow.xaml.cs

@@ -31,12 +31,12 @@ private void MainWindow_Loaded(object sender, RoutedEventArgs e)
             DrawFormattedText(VisualTreeHelper.GetDpi(this));
         }
 
-        protected override void OnDpiChanged(DpiScaleInfo oldDpiScaleInfo, DpiScaleInfo newDpiScaleInfo)
+        protected override void OnDpiChanged(DpiScale oldDpiScaleInfo, DpiScale newDpiScaleInfo)
         {
             DrawFormattedText(newDpiScaleInfo);
         }
 
-        private void DrawFormattedText(DpiScaleInfo dpiInfo)
+        private void DrawFormattedText(DpiScale dpiInfo)
         {
             FormattedText formattedText = new FormattedText(
                 "FABLE",

Diff for: PerMonitorDPI/ImageScaling/DpiAwareImage.cs

@@ -21,17 +21,17 @@ public DpiAwareImage() : base()
         // on initial load, ensure we are using the right scaled image, based on the DPI.
         private void DpiAwareImage_Initialized(object sender, EventArgs e)
         {
-            DpiScaleInfo newDpi = VisualTreeHelper.GetDpi(sender as Visual);
+            DpiScale newDpi = VisualTreeHelper.GetDpi(sender as Visual);
             ScaleRightImage(newDpi);
         }
 
         // when DPI changes, ensure we are using the right scaled image, based on the DPI.
-        protected override void OnDpiChanged(DpiScaleInfo oldDpi, DpiScaleInfo newDpi)
+        protected override void OnDpiChanged(DpiScale oldDpi, DpiScale newDpi)
         {
             ScaleRightImage(newDpi);
         }
 
-        private void ScaleRightImage(DpiScaleInfo newDpi)
+        private void ScaleRightImage(DpiScale newDpi)
         {
             // update bestScale
             bestScale = ImageDpiHelper.GetBestScale(newDpi.PixelsPerDip);

Diff for: PerMonitorDPI/ImageScaling/ImageDpiHelper.cs

@@ -16,7 +16,7 @@ public static class ImageDpiHelper
         /// <returns>image URL for the most appropriate scale, given DPI</returns>
         public static string GetDesiredImageUrlForDpi(Image image)
         {            
-            DpiScaleInfo imageScaleInfo = VisualTreeHelper.GetDpi(image);
+            DpiScale imageScaleInfo = VisualTreeHelper.GetDpi(image);
             int bestScale = ImageDpiHelper.GetBestScale(imageScaleInfo.PixelsPerDip);
 
             var sourceUrl = image.Source.ToString();

Diff for: PerMonitorDPI/TextFormatting/MainWindow.xaml.cs

@@ -27,9 +27,9 @@ public MainWindow()
             InitializeComponent();
         }
 
-        protected override void OnDpiChanged(DpiScaleInfo oldDpiScaleInfo, DpiScaleInfo newDpiScaleInfo)
+        protected override void OnDpiChanged(DpiScale oldDpiScale, DpiScale newDpiScale)
         {
-            _pixelsPerDip = newDpiScaleInfo.PixelsPerDip;
+            _pixelsPerDip = newDpiScale.PixelsPerDip;
             UpdateFormattedText(_pixelsPerDip);
         }