diff --git a/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor b/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor
index ad92c78..e23ccb4 100644
--- a/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor
+++ b/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor
@@ -16,32 +16,12 @@
                         <option value="File04.pdf">File 04</option>
                         <option value="File05.pdf">File 05</option>
                     </select>
-                    <span class="input-group-text">Height</span>
-                    <select class="form-select" @bind="@HeightSel">
-                        <option value="200px">200</option>
-                        <option value="400px">400</option>
-                        <option value="600px">600</option>
-                        <option value="800px">800</option>
-                        <option value="1000px">1000</option>
-                    </select>
-                    @* <span class="input-group-text">Compo</span>
-                    <select class="form-select" @bind="@CompoSel">
-                        <option value="1">PdfDisplay</option>
-                        <option value="2">PdfViewer</option>
-                    </select> *@
                 </div>
             </div>
         </div>
     </div>
-    <div class="card-body">
-            <PdfDisplay Width="100%" Height="@HeightSel" PdfUrl="@($"test/{FileSel}")"></PdfDisplay>
-        @* @if (CompoSel == 1)
-        {
-        }
-        else
-        {
-            <PdfDisplay Width="100%" Height="@HeightSel" PdfUrl="@($"test/{FileSel}")"></PdfDisplay>
-        } *@
+    <div class="card-body py-1">
+        <PdfDisplay Width="100%" PdfUrl="@($"test/{FileSel}")" HeightList="@heightList"></PdfDisplay>
         <p class="card-text">Selezione: <b>@FileSel</b></p>
     </div>
 </div>
diff --git a/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor.cs b/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor.cs
index 47fb4ef..98e14eb 100644
--- a/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor.cs
+++ b/EgwCoreLib.BlazorTest/Pages/TestPdfViewer.razor.cs
@@ -74,6 +74,8 @@ namespace EgwCoreLib.BlazorTest.Pages
         private string baseUri = "";
         private string fileUrl = "";
 
+        private Dictionary<string, string> heightList { get; set; } = new Dictionary<string, string>() { { "200", "200px" }, { "400", "400px" }, { "600", "600px" }, { "800", "800px" }, { "1000", "1000px" } };
+
         #endregion Private Properties
 
         #region Private Methods
diff --git a/EgwCoreLib.Razor/PdfDisplay.razor b/EgwCoreLib.Razor/PdfDisplay.razor
index 3465e75..ecfa851 100644
--- a/EgwCoreLib.Razor/PdfDisplay.razor
+++ b/EgwCoreLib.Razor/PdfDisplay.razor
@@ -1,10 +1,26 @@
-@if (isMobile)
+<div class="d-flex justify-content-between mb-1">
+    <div class="px-0">
+        <div class="input-group input-group-sm w-100">
+            <span class="input-group-text"><b>@(isMobile ? "Mobile" : "Desktop")</b></span>
+        </div>
+    </div>
+    <div class="px-0">
+        <div class="input-group input-group-sm w-100">
+            <span class="input-group-text">H</span>
+            <select class="form-select" @bind="@Height">
+                @foreach (var item in HeightList)
+                {
+                    <option value="@item.Value">@item.Key</option>
+                }
+            </select>
+        </div>
+    </div>
+</div>
+@if (isMobile)
 {
-    <h3>Mobile</h3>
     <iframe src="@PdfUrl" width="@Width" height="@Height" />
 }
 else
 {
-    <h3>Desktop</h3>
     <object type="application/pdf" data="@PdfUrl" width="@Width" height="@Height" />
 }
diff --git a/EgwCoreLib.Razor/PdfDisplay.razor.cs b/EgwCoreLib.Razor/PdfDisplay.razor.cs
index 660d9bb..61a77d9 100644
--- a/EgwCoreLib.Razor/PdfDisplay.razor.cs
+++ b/EgwCoreLib.Razor/PdfDisplay.razor.cs
@@ -9,6 +9,8 @@ namespace EgwCoreLib.Razor
 {
     public partial class PdfDisplay
     {
+        #region Public Properties
+
         /// <summary>
         /// URL del documento da mostrare
         /// </summary>
@@ -20,22 +22,39 @@ namespace EgwCoreLib.Razor
         /// </summary>
         [Parameter]
         public string Width { get; set; } = "100%";
+
+
         /// <summary>
-        /// Altezza desiderata
+        /// Elenco altezze ammesse
         /// </summary>
         [Parameter]
-        public string Height { get; set; } = "80%";
+        public Dictionary<string, string> HeightList
+        {
+            get => hList;
+            set
+            {
+                if (hList != value && value.Count > 0)
+                {
+                    hList = value;
+                }
+            }
+        }
 
-        /// <summary>
-        /// Boolean Mobile vs Desktop
-        /// </summary>
-        private bool isMobile { get; set; }
 
-        [Inject]
-        [NotNull]
-        private IJSRuntime? JS { get; set; }
+        private Dictionary<string, string> hList { get; set; } = new Dictionary<string, string>() { { "200", "200px" }, { "400", "400px" }, { "600", "600px" } };
 
-        private IJSObjectReference? module;
+
+        protected override void OnInitialized()
+        {
+            // in base a quanti ne ho preso ultima o in mezzo...
+            int numSkip = HeightList.Count() > 3 ? 2 : 0;
+
+            Height = HeightList.Skip(numSkip).FirstOrDefault().Value;
+        }
+
+        #endregion Public Properties
+
+        #region Protected Methods
 
         protected override async Task OnAfterRenderAsync(bool firstRender)
         {
@@ -48,7 +67,29 @@ namespace EgwCoreLib.Razor
             }
             catch
             { }
-
         }
+
+        #endregion Protected Methods
+
+        #region Private Fields
+
+        private IJSObjectReference? module;
+
+        #endregion Private Fields
+
+        #region Private Properties
+
+        private string Height { get; set; } = "600px";
+
+        /// <summary>
+        /// Boolean Mobile vs Desktop
+        /// </summary>
+        private bool isMobile { get; set; }
+
+        [Inject]
+        [NotNull]
+        private IJSRuntime? JS { get; set; }
+
+        #endregion Private Properties
     }
 }
\ No newline at end of file