[NUI.Components] Fix build warnings (#1233) (#1238)

[platform/core/csapi/tizenfx.git] / src / Tizen.NUI.Components / Controls / CheckBoxGroup.cs

diff --git a/src/Tizen.NUI.Components/Controls/CheckBoxGroup.cs b/src/Tizen.NUI.Components/Controls/CheckBoxGroup.cs
index 528084a..22e0d7c 100755 (executable)
--- a/src/Tizen.NUI.Components/Controls/CheckBoxGroup.cs
+++ b/src/Tizen.NUI.Components/Controls/CheckBoxGroup.cs
@@ -53,6 +53,7 @@ namespace Tizen.NUI.Components
         [EditorBrowsable(EditorBrowsableState.Never)]
         public void Add(CheckBox check)
         {
+            if (null == check) return;
             base.AddSelection(check);
             check.ItemGroup = this;
         }
@@ -66,6 +67,7 @@ namespace Tizen.NUI.Components
         [EditorBrowsable(EditorBrowsableState.Never)]
         public void Remove(CheckBox check)
         {
+            if (null == check) return;
             base.RemoveSelection(check);
             check.ItemGroup = null;
         }