From 8e34e6aca4b24908e1d48b67bb46dcdef7f0ce78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9D=D0=B8=D0=BA=D0=B8=D1=82=D0=B0=20=D0=9F=D0=BE=D1=82?=
 =?UTF-8?q?=D0=B0=D0=BF=D0=BE=D0=B2?= <ns.potapov@yandex.ru>
Date: Mon, 23 Sep 2024 14:43:10 +0400
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20?=
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---
 WinFormSolution/Components/UserControlTreeView.cs |  4 ++--
 WinFormSolution/WinFormsApp/Form.cs               | 13 +++++++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/WinFormSolution/Components/UserControlTreeView.cs b/WinFormSolution/Components/UserControlTreeView.cs
index 52a3623..2b94e06 100644
--- a/WinFormSolution/Components/UserControlTreeView.cs
+++ b/WinFormSolution/Components/UserControlTreeView.cs
@@ -35,7 +35,7 @@ namespace Components
                 throw new NotSelectedNodeException();
             }
 
-            if ((Hierarchy?.Count ?? 0) > 0)
+            if ((Hierarchy?.Count ?? 0) == 0)
             {
                 throw new TreeHierarchyNotSetException();
             }
@@ -83,7 +83,7 @@ namespace Components
                 return;
             }
 
-            if ((Hierarchy?.Count ?? 0) > 0)
+            if ((Hierarchy?.Count ?? 0) == 0)
             {
                 throw new TreeHierarchyNotSetException();
             }
diff --git a/WinFormSolution/WinFormsApp/Form.cs b/WinFormSolution/WinFormsApp/Form.cs
index 0cfa343..839d869 100644
--- a/WinFormSolution/WinFormsApp/Form.cs
+++ b/WinFormSolution/WinFormsApp/Form.cs
@@ -45,12 +45,13 @@ namespace WinFormsApp
             employees.Add(new Employee("Отдел финансов", "Аналитик", "Астафьев", "Павел"));
             employees.Add(new Employee("Отдел закупок", "Аналитик", "Смирнова", "Анастасия"));
 
-            List<(string PropertyName, bool AlwaysCreateBranch)> hierarchy = new();
-
-            hierarchy.Add(("Departament", false));
-            hierarchy.Add(("Position", false));
-            hierarchy.Add(("Surname", false));
-            hierarchy.Add(("Name", false));
+            List<(string PropertyName, bool AlwaysCreateBranch)> hierarchy =
+            [
+                ("Departament", false),
+                ("Position", false),
+                ("Surname", false),
+                ("Name", false),
+            ];
 
             userControlTreeView.SetHierarchy(hierarchy);