Fix NativeControl throwing NRE when handler is not set (fixes #10).

src/BlazorBindings.Maui.SkiaSharp/Elements/SKCanvasView.cs

@@ -20,7 +20,7 @@ static SKCanvasView()
 
         [Parameter] public EventCallback<SKPaintSurfaceEventArgs> OnPaintSurface { get; set; }
 
-        public new SK.SKCanvasView NativeControl => ((SKCanvasViewHandler)ElementHandler).SKCanvasViewControl;
+        public new SK.SKCanvasView NativeControl => (ElementHandler as SKCanvasViewHandler)?.SKCanvasViewControl;
         public void InvalidateSurface()
         {
             NativeControl.InvalidateSurface();

src/BlazorBindings.Maui/Elements/ActivityIndicator.generated.cs

@@ -1,11 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui.Graphics;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -23,7 +23,7 @@ static ActivityIndicator()
         [Parameter] public Color Color { get; set; }
         [Parameter] public bool? IsRunning { get; set; }
 
-        public new MC.ActivityIndicator NativeControl => ((ActivityIndicatorHandler)ElementHandler).ActivityIndicatorControl;
+        public new MC.ActivityIndicator NativeControl => (ElementHandler as ActivityIndicatorHandler)?.ActivityIndicatorControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/BaseMenuItem.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -16,7 +16,7 @@ static BaseMenuItem()
             RegisterAdditionalHandlers();
         }
 
-        public new MC.BaseMenuItem NativeControl => ((BaseMenuItemHandler)ElementHandler).BaseMenuItemControl;
+        public new MC.BaseMenuItem NativeControl => (ElementHandler as BaseMenuItemHandler)?.BaseMenuItemControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/BaseShellItem.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -27,7 +27,7 @@ static BaseShellItem()
         [Parameter] public string Route { get; set; }
         [Parameter] public string Title { get; set; }
 
-        public new MC.BaseShellItem NativeControl => ((BaseShellItemHandler)ElementHandler).BaseShellItemControl;
+        public new MC.BaseShellItem NativeControl => (ElementHandler as BaseShellItemHandler)?.BaseShellItemControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/BoxView.generated.cs

@@ -1,12 +1,12 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui;
 using Microsoft.Maui.Graphics;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -24,7 +24,7 @@ static BoxView()
         [Parameter] public Color Color { get; set; }
         [Parameter] public CornerRadius? CornerRadius { get; set; }
 
-        public new MC.BoxView NativeControl => ((BoxViewHandler)ElementHandler).BoxViewControl;
+        public new MC.BoxView NativeControl => (ElementHandler as BoxViewHandler)?.BoxViewControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/Brush.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -16,7 +16,7 @@ static Brush()
             RegisterAdditionalHandlers();
         }
 
-        public new MC.Brush NativeControl => ((BrushHandler)ElementHandler).BrushControl;
+        public new MC.Brush NativeControl => (ElementHandler as BrushHandler)?.BrushControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/Button.generated.cs

@@ -1,12 +1,12 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui;
 using Microsoft.Maui.Graphics;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -36,7 +36,7 @@ static Button()
         [Parameter] public Color TextColor { get; set; }
         [Parameter] public TextTransform? TextTransform { get; set; }
 
-        public new MC.Button NativeControl => ((ButtonHandler)ElementHandler).ButtonControl;
+        public new MC.Button NativeControl => (ElementHandler as ButtonHandler)?.ButtonControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/CheckBox.generated.cs

@@ -1,11 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui.Graphics;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -23,7 +23,7 @@ static CheckBox()
         [Parameter] public Color Color { get; set; }
         [Parameter] public bool? IsChecked { get; set; }
 
-        public new MC.CheckBox NativeControl => ((CheckBoxHandler)ElementHandler).CheckBoxControl;
+        public new MC.CheckBox NativeControl => (ElementHandler as CheckBoxHandler)?.CheckBoxControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/CollectionView.cs

@@ -15,6 +15,6 @@ static CollectionView()
                 renderer => new CollectionViewHandler(renderer, new MC.CollectionView()));
         }
 
-        public new MC.CollectionView NativeControl => ((CollectionViewHandler)ElementHandler).CollectionViewControl;
+        public new MC.CollectionView NativeControl => (ElementHandler as CollectionViewHandler)?.CollectionViewControl;
     }
 }

src/BlazorBindings.Maui/Elements/Compatibility/Handlers/LayoutHandler.generated.cs

@@ -1,9 +1,9 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
 using MCC = Microsoft.Maui.Controls.Compatibility;
 using Microsoft.Maui;
-using BlazorBindings.Core;
 using System;
 
 namespace BlazorBindings.Maui.Elements.Compatibility.Handlers

src/BlazorBindings.Maui/Elements/Compatibility/Layout.generated.cs

@@ -1,12 +1,12 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MCC = Microsoft.Maui.Controls.Compatibility;
-using Microsoft.AspNetCore.Components;
-using Microsoft.Maui;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements;
 using BlazorBindings.Maui.Elements.Compatibility.Handlers;
+using MCC = Microsoft.Maui.Controls.Compatibility;
+using Microsoft.AspNetCore.Components;
+using Microsoft.Maui;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements.Compatibility
@@ -22,7 +22,7 @@ static Layout()
         [Parameter] public bool? IsClippedToBounds { get; set; }
         [Parameter] public Thickness? Padding { get; set; }
 
-        public new MCC.Layout NativeControl => ((LayoutHandler)ElementHandler).LayoutControl;
+        public new MCC.Layout NativeControl => (ElementHandler as LayoutHandler)?.LayoutControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/ContentPage.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -19,7 +19,7 @@ static ContentPage()
             RegisterAdditionalHandlers();
         }
 
-        public new MC.ContentPage NativeControl => ((ContentPageHandler)ElementHandler).ContentPageControl;
+        public new MC.ContentPage NativeControl => (ElementHandler as ContentPageHandler)?.ContentPageControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/ContentView.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -19,7 +19,7 @@ static ContentView()
             RegisterAdditionalHandlers();
         }
 
-        public new MC.ContentView NativeControl => ((ContentViewHandler)ElementHandler).ContentViewControl;
+        public new MC.ContentView NativeControl => (ElementHandler as ContentViewHandler)?.ContentViewControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/DatePicker.generated.cs

@@ -1,11 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui.Graphics;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System;
 using System.Threading.Tasks;
 
@@ -32,7 +32,7 @@ static DatePicker()
         [Parameter] public DateTime? MinimumDate { get; set; }
         [Parameter] public Color TextColor { get; set; }
 
-        public new MC.DatePicker NativeControl => ((DatePickerHandler)ElementHandler).DatePickerControl;
+        public new MC.DatePicker NativeControl => (ElementHandler as DatePickerHandler)?.DatePickerControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/Editor.generated.cs

@@ -1,11 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -31,7 +31,7 @@ static Editor()
         [Parameter] public int? SelectionLength { get; set; }
         [Parameter] public TextAlignment? VerticalTextAlignment { get; set; }
 
-        public new MC.Editor NativeControl => ((EditorHandler)ElementHandler).EditorControl;
+        public new MC.Editor NativeControl => (ElementHandler as EditorHandler)?.EditorControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/Element.cs

@@ -13,7 +13,7 @@ public abstract class Element : NativeControlComponentBase
         [Parameter] public string ClassId { get; set; }
         [Parameter] public string StyleId { get; set; }
 
-        public MC.Element NativeControl => ((Handlers.ElementHandler)ElementHandler).ElementControl;
+        public MC.Element NativeControl => (ElementHandler as Handlers.ElementHandler)?.ElementControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/Entry.generated.cs

@@ -1,11 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
+using BlazorBindings.Core;
+using BlazorBindings.Maui.Elements.Handlers;
 using MC = Microsoft.Maui.Controls;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Maui;
-using BlazorBindings.Core;
-using BlazorBindings.Maui.Elements.Handlers;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -33,7 +33,7 @@ static Entry()
         [Parameter] public int? SelectionLength { get; set; }
         [Parameter] public TextAlignment? VerticalTextAlignment { get; set; }
 
-        public new MC.Entry NativeControl => ((EntryHandler)ElementHandler).EntryControl;
+        public new MC.Entry NativeControl => (ElementHandler as EntryHandler)?.EntryControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/FlyoutItem.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -19,7 +19,7 @@ static FlyoutItem()
             RegisterAdditionalHandlers();
         }
 
-        public new MC.FlyoutItem NativeControl => ((FlyoutItemHandler)ElementHandler).FlyoutItemControl;
+        public new MC.FlyoutItem NativeControl => (ElementHandler as FlyoutItemHandler)?.FlyoutItemControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {

src/BlazorBindings.Maui/Elements/FlyoutPage.generated.cs

@@ -1,10 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-using MC = Microsoft.Maui.Controls;
-using Microsoft.AspNetCore.Components;
 using BlazorBindings.Core;
 using BlazorBindings.Maui.Elements.Handlers;
+using MC = Microsoft.Maui.Controls;
+using Microsoft.AspNetCore.Components;
 using System.Threading.Tasks;
 
 namespace BlazorBindings.Maui.Elements
@@ -23,7 +23,7 @@ static FlyoutPage()
         [Parameter] public bool? IsGestureEnabled { get; set; }
         [Parameter] public bool? IsPresented { get; set; }
 
-        public new MC.FlyoutPage NativeControl => ((FlyoutPageHandler)ElementHandler).FlyoutPageControl;
+        public new MC.FlyoutPage NativeControl => (ElementHandler as FlyoutPageHandler)?.FlyoutPageControl;
 
         protected override void RenderAttributes(AttributesBuilder builder)
         {