Why does the GetFullPath method return the wrong document path?

Question

WPF

There is a file, the path to it is: "C:\Users\User\Desktop\Diploma - copy\Diploma\docs\zmk.docx"
In the code below, in the line

string pathToTemplateDoc = System.IO.Path.GetFullPath(@"docs\zmk.docx");

I'm trying to find this full path relative to a relative path, but the result of running this line is the string: "C:\Users\User\Desktop\Diploma - copy\Diploma\bin\Debug\docs\zmk.docx", where bin\Debug comes from ?

private void ToPrint(object sender, RoutedEventArgs e)
        {
            MainWindow window = new MainWindow();
            string[] data = window.DataCheck();

            Word.Document doc = null;
            Word.Application app = null;

            try
            {
                app = new Word.Application();
                string pathToTemplateDoc = System.IO.Path.GetFullPath(@"docs\zmk.docx");

                MessageBox.Show(pathToTemplateDoc);
                doc = app.Documents.Add(pathToTemplateDoc);
                app.Visible = true;

                Word.Bookmarks wBookmarks = doc.Bookmarks;

                foreach(Word.Bookmark mark in wBookmarks)
                {
                    if (mark.Name == "pasportSeries")
                    {
                        mark.Range.Text = pasport.Text;
                    }
                    
                }

                app = null;
                doc = null;
            }
            catch
            {
                app = null;
                doc = null;
            }
        }

Answer 1

Because when debugging, your current directory

C:\Users\User\Desktop\Диплом - копия\Диплом\bin\Debug\

, well, plus the path that you indicated to it. The file is not required at all.

Answer 2

include the file in the assembly, then it will be copied to the build folder and the path to it should be available