change Invoke param from null to EventArgs.Empty

diff --git a/Fitness/Controls/BaseTransition.cs b/Fitness/Controls/BaseTransition.cs
index bdebeb8511ed0162f6a8370bb732001e06ea1344..0b71fdeee7903d21f9f00744371ec1c63b3c3be2 100644 (file)
--- a/Fitness/Controls/BaseTransition.cs
+++ b/Fitness/Controls/BaseTransition.cs
@@ -39,7 +39,7 @@ namespace Fitness.Controls
         /// </summary>
         protected void RaiseTransitionStarted()
         {
-            TransitionStarted?.Invoke(this, null);
+            TransitionStarted?.Invoke(this, EventArgs.Empty);
         }
 
         /// <summary>
@@ -47,7 +47,7 @@ namespace Fitness.Controls
         /// </summary>
         protected void RaiseTransitionFinished()
         {
-            TransitionFinished?.Invoke(this, null);
+            TransitionFinished?.Invoke(this, EventArgs.Empty);
         }
     }
 }

diff --git a/Fitness/Controls/Page.cs b/Fitness/Controls/Page.cs
index 02385d65815a85bcb0330dd277b3f6ff44200e85..39df635417983800eb4c55694ddb2abaa9ee8b43 100644 (file)
--- a/Fitness/Controls/Page.cs
+++ b/Fitness/Controls/Page.cs
@@ -73,13 +73,13 @@ namespace Fitness.Controls
         internal void InvokeAppearing()
         {
             OnAppearing();
-            Appearing?.Invoke(this, null);
+            Appearing?.Invoke(this, EventArgs.Empty);
         }
 
         internal void InvokeDisappearing()
         {
             OnDisappearing();
-            Disappearing?.Invoke(this, null);
+            Disappearing?.Invoke(this, EventArgs.Empty);
         }
 
         protected virtual void OnTransitionStarted()

diff --git a/Fitness/Controls/PageTransitionCollection.cs b/Fitness/Controls/PageTransitionCollection.cs
index 9931736e4de2d7a0071d35ec33c73e768fad0ac9..83dd06f7f55cab6f566d78b8cf7b2e734c2022c7 100644 (file)
--- a/Fitness/Controls/PageTransitionCollection.cs
+++ b/Fitness/Controls/PageTransitionCollection.cs
@@ -48,7 +48,7 @@ namespace Fitness.Controls
                 transition.TransitionStarted -= CheckStartedCondition;
             }
 
-            TransitionStarted?.Invoke(this, null);
+            TransitionStarted?.Invoke(this, EventArgs.Empty);
         }
 
         private void CheckFinishCondition(object o, EventArgs args)
@@ -61,7 +61,7 @@ namespace Fitness.Controls
 
                 if (runningTransitionsCounter == 0)
                 {
-                    TransitionFinished?.Invoke(this, null);
+                    TransitionFinished?.Invoke(this, EventArgs.Empty);
                 }
             }
         }