// Drag Drop
private void TextBox1_DragDrop(object sender, DragEventArgs e)
{
// get all files droppeds
if (e.Data.GetData(DataFormats.FileDrop) is string[] files && files.Any())
{
Encrypt.ResetText();
foreach (string filePath in files)
{
if ((File.Exists(filePath) || Directory.Exists(filePath)) && filePath != files.Last())
{
Encrypt.AppendText(filePath + Environment.NewLine);
}
else
{
Encrypt.AppendText(filePath);
}
} // End foreach
} // End if
}