diff --git a/src/Visual_DVM_2021/UI/Main/SapforPackagesComparisonForm.java b/src/Visual_DVM_2021/UI/Main/SapforPackagesComparisonForm.java
index ba71eb66..13c131cc 100644
--- a/src/Visual_DVM_2021/UI/Main/SapforPackagesComparisonForm.java
+++ b/src/Visual_DVM_2021/UI/Main/SapforPackagesComparisonForm.java
@@ -80,6 +80,12 @@ public class SapforPackagesComparisonForm {
         lObjectName.setText("?");
         lObjectName.setToolTipText("Объект не назначен.");
         UI.Clear(treePanel);
+        if (isMaster()){
+            UI.getMainWindow().getTestingWindow().ShowNoSapforPackageVersionEtalon();
+        }else {
+            UI.getMainWindow().getTestingWindow().ShowNoSapforPackageVersion();
+        }
+
     }
     protected void showObject() {
         lObjectName.setText(object.getPK().toString() + (isMaster() ? "(эталон)" : ""));
diff --git a/src/Visual_DVM_2021/UI/Main/SapforVersionsComparisonForm.java b/src/Visual_DVM_2021/UI/Main/SapforVersionsComparisonForm.java
index 1bf39d9b..c158164a 100644
--- a/src/Visual_DVM_2021/UI/Main/SapforVersionsComparisonForm.java
+++ b/src/Visual_DVM_2021/UI/Main/SapforVersionsComparisonForm.java
@@ -1,13 +1,59 @@
 package Visual_DVM_2021.UI.Main;
 import Common.Current;
+import Common.Global;
+import Common.Utils.Utils;
+import GlobalData.Settings.SettingName;
+import ProjectData.Files.ProjectFile;
 import SapforTestingSystem.Json.SapforVersion_json;
+
+import javax.swing.*;
+import java.util.Vector;
 public class SapforVersionsComparisonForm extends ComparisonForm<SapforVersion_json> {
+    //почти полный клон VersionsComparsionForm. В будущем нужен рефакторинг. Наверное.
     Current current;
+    private final JComboBox<ProjectFile> cbFile;
+    protected ProjectFile file = null;
+    private SapforVersionsComparisonForm getMaster() {
+        return (SapforVersionsComparisonForm) master;
+    }
+    private SapforVersionsComparisonForm getSlave() {
+        return (SapforVersionsComparisonForm) slave;
+    }
     public SapforVersionsComparisonForm(SapforVersionsComparisonForm slave_in, Current current_in) {
         super(SapforVersion_json.class, slave_in);
         current = current_in;
         bApplyObject.setVisible(false);
         bClose.setVisible(false);
+        cbFile = new JComboBox<>();
+        tools.add(cbFile, 3);
+        //--
+        cbFile.addActionListener(e -> {
+            ProjectFile File1 = null;
+            ProjectFile File2 = null;
+            ClearText();
+            file = (cbFile.getSelectedItem() instanceof ProjectFile) ?
+                    ((ProjectFile) cbFile.getSelectedItem()) : null;
+            if (file != null) {
+                if (isMaster()) {
+                    getSlave().selectSameFile(file);
+                } else {
+                    File1 = getMaster().file;
+                    File2 = file;
+                    //---
+                    if ((File1 != null) && (File2 != null)) {
+                        boolean ExtensionsOn = Global.db.settings.get(SettingName.ExtensionsOn).toBoolean();
+                        String name1 = ExtensionsOn ? File1.file.getName() : Utils.getFileNameWithoutExtension(File1.file);
+                        String name2 = ExtensionsOn ? File2.file.getName() : Utils.getFileNameWithoutExtension(File2.file);
+                        System.out.println("name1=" + Utils.Brackets(name1) + "name2=" + Utils.Brackets(name2));
+                        if (Global.db.settings.get(SettingName.ComparsionDiffMergeOn).toBoolean()) {
+                            if (name1.equalsIgnoreCase(name2))
+                                master.DoComparePass(true);
+                        } else
+                            master.DoShowPass(true);
+                    }
+                }
+            }
+        });
     }
     @Override
     protected Current getCurrentObjectName() {
@@ -15,11 +61,44 @@ public class SapforVersionsComparisonForm extends ComparisonForm<SapforVersion_j
     }
     @Override
     protected String getText() {
-        return current.getDescription();
+        return Utils.ReadAllText(file.file);
+    }
+    @Override
+    public boolean isReady() {
+        return super.isReady() && file != null;
     }
     @Override
     protected void showObject() {
         lObjectName.setText(object.toString());
         lObjectName.setToolTipText(object.toString());
+        cbFile.removeAllItems();
+        Vector<ProjectFile> files = object.files;
+        for (ProjectFile file : files)
+            cbFile.addItem(file);
+    }
+    @Override
+    protected void removeObject() {
+        cbFile.removeAllItems();
+        file = null;
+    }
+    public void selectSameFile(ProjectFile file_in) {
+        file = null;
+        cbFile.setSelectedIndex(-1);
+        for (int i = 0; i < cbFile.getItemCount(); ++i) {
+            ProjectFile projectFile = cbFile.getItemAt(i);
+            if (Global.db.settings.get(SettingName.ExtensionsOn).toBoolean()) {
+                //если учитываем расширения, ищем полное совпадение
+                if (projectFile.file.getName().equals(file_in.file.getName())) {
+                    cbFile.setSelectedIndex(i);
+                    return;
+                }
+            } else {
+                if (Utils.getNameWithoutExtension(projectFile.file.getName()).equals(
+                        Utils.getNameWithoutExtension(file_in.file.getName()))) {
+                    cbFile.setSelectedIndex(i);
+                    return;
+                }
+            }
+        }
     }
 }