improve:aovidfullsreen

Ink Canvas/MainWindow_cs/MW_FloatingBarIcons.cs

@@ -1582,6 +1582,13 @@ namespace Ink_Canvas
                 pos.X = (screenWidth - floatingBarWidth) / 2;
 
                 if (!PosXCaculatedWithTaskbarHeight)
+                {
+                    if (Settings.Advanced.IsEnableAvoidFullScreenHelper && BtnPPTSlideShowEnd.Visibility == Visibility.Visible)
+                    {
+                        var workingAreaHeight = Screen.FromHandle(windowHandle).WorkingArea.Height / dpiScaleY;
+                        pos.Y = workingAreaHeight - MarginFromEdge * ViewboxFloatingBarScaleTransform.ScaleY;
+                    }
+                    else
                     {
                         // 如果任务栏高度为0(隐藏状态),则使用固定边距
                         if (toolbarHeight == 0)
@@ -1594,7 +1601,16 @@ namespace Ink_Canvas
                             pos.Y = screenHeight - MarginFromEdge * ViewboxFloatingBarScaleTransform.ScaleY;
                         }
                     }
+                }
                 else if (PosXCaculatedWithTaskbarHeight)
+                {
+                    if (Settings.Advanced.IsEnableAvoidFullScreenHelper && BtnPPTSlideShowEnd.Visibility == Visibility.Visible)
+                    {
+                        var workingAreaHeight = Screen.FromHandle(windowHandle).WorkingArea.Height / dpiScaleY;
+                        pos.Y = workingAreaHeight - ViewboxFloatingBar.ActualHeight * ViewboxFloatingBarScaleTransform.ScaleY -
+                               ViewboxFloatingBarScaleTransform.ScaleY * 3;
+                    }
+                    else
                     {
                         // 如果任务栏高度为0(隐藏状态),则使用固定高度
                         if (toolbarHeight == 0)
@@ -1609,6 +1625,7 @@ namespace Ink_Canvas
                                    toolbarHeight - ViewboxFloatingBarScaleTransform.ScaleY * 3;
                         }
                     }
+                }
 
                 if (MarginFromEdge != -60)
                 {