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private void textBox1_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.StringFormat))
{
textBox1.AppendText(e.Data.GetData(DataFormats.Text) + "\t");
}
}
private void textBox1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.StringFormat) && (e.AllowedEffect == DragDropEffects.Copy))
e.Effect = DragDropEffects.Copy;
else
e.Effect = DragDropEffects.Move;
}
private void textBox1_DragOver(object sender, DragEventArgs e)
{
if (e.Effect == DragDropEffects.Move)
listBox2.Items.Remove((string)e.Data.GetData(DataFormats.Text));
}