initial commit. Drop Files work

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (test_tkinter_drop_files)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/test_tkinter_drop_files.iml" filepath="$PROJECT_DIR$/.idea/test_tkinter_drop_files.iml" />
+    </modules>
+  </component>
+</project>

.idea/test_tkinter_drop_files.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

main.py

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+import tkinter as tk
+from tkinterdnd2 import DND_FILES, TkinterDnD
+
+window = TkinterDnD.Tk()
+
+main_frame = tk.Frame(window, padx=50, pady=20)
+main_frame.pack(fill=tk.BOTH, expand=True)
+
+listbox = tk.Listbox(main_frame)
+listbox.drop_target_register(DND_FILES)
+listbox.dnd_bind('<<Drop>>', lambda x: listbox.insert(tk.END, x.data))
+listbox.pack(fill=tk.BOTH, expand=True)
+
+button = tk.Button(main_frame, text='Button')
+button.pack(fill=tk.BOTH, expand=True)
+
+window.mainloop()
+