implement characterlist-search-function

OwnChar.App.Desktop/UI/MainTabs/Controls/CharacterListControl.cs

@@ -143,6 +143,41 @@ public partial class CharacterListControl : UserControl
             mainApi.OpenTab(new TabCharView(mainApi, character), string.IsNullOrWhiteSpace(character.Name) ? CharListControlLangRes.UnnamedChar : character.Name);
     }
 
+    private void SearchInList()
+    {
+        var filterText = radTextBoxControl_SearchBox.Text.Trim();
+
+        radListView_CharList.BeginUpdate();
+
+        foreach (ListViewDataItem item in radListView_CharList.Items)
+        {
+            if (item.Value is Character character)
+            {
+                var isValidResult = false;
+
+                if (!string.IsNullOrWhiteSpace(filterText))
+                {
+                    var allValues = new string[]
+                    {
+                        character.Name!,
+                        character.Fandom ?? "",
+                        character.Owner!.Name!,
+                    };
+
+                    foreach (var value in allValues)
+                    {
+                        if (!isValidResult && value.Contains(filterText))
+                            isValidResult = true;
+                    }
+                }
+
+                item.Visible = isValidResult;
+            }
+        }
+
+        radListView_CharList.EndUpdate();
+    }
+
     // E V E N T S
 
     private void RadMenuItem_AddChar_Click(object sender, System.EventArgs e)
@@ -162,6 +197,6 @@ public partial class CharacterListControl : UserControl
 
     private void RadTextBoxControl_SearchBox_TextChanged(object sender, System.EventArgs e)
     {
-        
+        SearchInList();
     }
 }