[NUI] Fix the issue that size receives 2 parameters from xaml (#1594)

diff --git a/src/Tizen.NUI/src/public/XamlBinding/SizeTypeConverter.cs b/src/Tizen.NUI/src/public/XamlBinding/SizeTypeConverter.cs
index d3a8c0d..007a392 100755 (executable)
--- a/src/Tizen.NUI/src/public/XamlBinding/SizeTypeConverter.cs
+++ b/src/Tizen.NUI/src/public/XamlBinding/SizeTypeConverter.cs
@@ -28,6 +28,12 @@ namespace Tizen.NUI.Binding
                     int z = (int)GraphicsTypeManager.Instance.ConvertScriptToPixel(parts[2].Trim());
                     return new Size(x, y, z);
                 }
+                else if (parts.Length == 2)
+                {
+                    int x = (int)GraphicsTypeManager.Instance.ConvertScriptToPixel(parts[0].Trim());
+                    int y = (int)GraphicsTypeManager.Instance.ConvertScriptToPixel(parts[1].Trim());
+                    return new Size(x, y);
+                }
             }
 
             throw new InvalidOperationException($"Cannot convert \"{value}\" into {typeof(Size)}");