Finally a nicer looking and working TextBoxWithButton (inspired from the SearchButton)

SearchBox field style improved

ModernKeePass.Application/Group/Queries/GetAllGroups/GetAllGroupsQuery.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Linq;
+using AutoMapper;
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Group.Models;
+using ModernKeePass.Domain.Exceptions;
+
+namespace ModernKeePass.Application.Group.Queries.GetAllGroups
+{
+    public class GetAllGroupsQuery : IRequest<IEnumerable<GroupVm>>
+    {
+        public string GroupId { get; set; }
+
+        public class GetAllGroupsQueryHandler : IRequestHandler<GetAllGroupsQuery, IEnumerable<GroupVm>>
+        {
+            private readonly IDatabaseProxy _database;
+            private readonly IMapper _mapper;
+
+            public GetAllGroupsQueryHandler(IDatabaseProxy database, IMapper mapper)
+            {
+                _database = database;
+                _mapper = mapper;
+            }
+
+            public IEnumerable<GroupVm> Handle(GetAllGroupsQuery message)
+            {
+                if (!_database.IsOpen) throw new DatabaseClosedException();
+                return _database.GetAllGroups(message.GroupId).Select(g => _mapper.Map<GroupVm>(g));
+            }
+        }
+    }
+}