diff --git a/WinFormsApp/FormPreviewPDF.Designer.cs b/WinFormsApp/FormPreviewPDF.Designer.cs
index cee0077..435f282 100644
--- a/WinFormsApp/FormPreviewPDF.Designer.cs
+++ b/WinFormsApp/FormPreviewPDF.Designer.cs
@@ -28,26 +28,14 @@
         /// </summary>
         private void InitializeComponent()
         {
-            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(FormPreviewPDF));
-            axAcropdf = new AxAcroPDFLib.AxAcroPDF();
             panel1 = new Panel();
             buttonCancel = new Button();
             buttonPrint = new Button();
-            ((System.ComponentModel.ISupportInitialize)axAcropdf).BeginInit();
+            pictureBox = new PictureBox();
             panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
             SuspendLayout();
             // 
-            // axAcropdf
-            // 
-            axAcropdf.Dock = DockStyle.Top;
-            axAcropdf.Enabled = true;
-            axAcropdf.Location = new Point(0, 0);
-            axAcropdf.Name = "axAcropdf";
-            axAcropdf.OcxState = (AxHost.State)resources.GetObject("axAcropdf.OcxState");
-            axAcropdf.Size = new Size(478, 576);
-            axAcropdf.TabIndex = 0;
-            axAcropdf.Enter += axAcropdf_Enter;
-            // 
             // panel1
             // 
             panel1.Controls.Add(buttonCancel);
@@ -80,26 +68,34 @@
             buttonPrint.UseVisualStyleBackColor = true;
             buttonPrint.Click += buttonPrint_Click;
             // 
+            // pictureBox
+            // 
+            pictureBox.Dock = DockStyle.Fill;
+            pictureBox.Location = new Point(0, 0);
+            pictureBox.Name = "pictureBox";
+            pictureBox.Size = new Size(478, 540);
+            pictureBox.TabIndex = 2;
+            pictureBox.TabStop = false;
+            // 
             // FormPreviewPDF
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(478, 576);
+            Controls.Add(pictureBox);
             Controls.Add(panel1);
-            Controls.Add(axAcropdf);
             Name = "FormPreviewPDF";
             Text = "FormPreviewPDF";
             Load += FormPreviewPDF_Load;
-            ((System.ComponentModel.ISupportInitialize)axAcropdf).EndInit();
             panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
             ResumeLayout(false);
         }
 
         #endregion
-
-        private AxAcroPDFLib.AxAcroPDF axAcropdf;
         private Panel panel1;
         private Button buttonCancel;
         private Button buttonPrint;
+        private PictureBox pictureBox;
     }
 }
\ No newline at end of file
diff --git a/WinFormsApp/FormPreviewPDF.cs b/WinFormsApp/FormPreviewPDF.cs
index 47a67ed..96daac5 100644
--- a/WinFormsApp/FormPreviewPDF.cs
+++ b/WinFormsApp/FormPreviewPDF.cs
@@ -1,4 +1,6 @@
-using System;
+using Spire.Pdf;
+using Spire.Pdf.Graphics;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -26,10 +28,11 @@ namespace WinFormsApp
 
         private void FormPreviewPDF_Load(object sender, EventArgs e)
         {
-            axAcropdf.src = src;
-            axAcropdf.LoadFile(src);
-            axAcropdf.setView("Fit");
-            axAcropdf.Show();
+            var doc = new PdfDocument();
+            doc.LoadFromFile(src);
+            Image image = doc.SaveAsImage(0, PdfImageType.Bitmap, 500, 1000);
+            pictureBox.Image = image;
+            pictureBox.SizeMode = PictureBoxSizeMode.Zoom;
         }
 
         private void buttonCancel_Click(object sender, EventArgs e)
diff --git a/WinFormsApp/FormPreviewPDF.resx b/WinFormsApp/FormPreviewPDF.resx
index 24f9693..af32865 100644
--- a/WinFormsApp/FormPreviewPDF.resx
+++ b/WinFormsApp/FormPreviewPDF.resx
@@ -117,12 +117,4 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <data name="axAcropdf.OcxState" mimetype="application/x-microsoft.net.object.binary.base64">
-    <value>
-        AAEAAAD/////AQAAAAAAAAAMAgAAAEZTeXN0ZW0uV2luZG93cy5Gb3JtcywgQ3VsdHVyZT1uZXV0cmFs
-        LCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BQEAAAAhU3lzdGVtLldpbmRvd3MuRm9ybXMu
-        QXhIb3N0K1N0YXRlAQAAAAREYXRhBwICAAAACQMAAAAPAwAAACEAAAACAQAAAAEAAAAAAAAAAAAAAAAM
-        AAAAAA4AANgTAADYEwAACw==
-</value>
-  </data>
 </root>
\ No newline at end of file
diff --git a/WinFormsApp/WinFormsApp.csproj b/WinFormsApp/WinFormsApp.csproj
index 7d85a86..42a15a7 100644
--- a/WinFormsApp/WinFormsApp.csproj
+++ b/WinFormsApp/WinFormsApp.csproj
@@ -35,6 +35,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.11" />
+    <PackageReference Include="Spire.PDF" Version="10.6.7" />
   </ItemGroup>
 
   <ItemGroup>