3_A_VBNET

Public Class Form1
    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        RichTextBox1.AllowDrop = True
    End Sub

    Private Sub RichTextBox1_DragOver(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles RichTextBox1.DragOver

        If e.Data.GetDataPresent(System.Windows.Forms.DataFormats.StringFormat) Then
            e.Effect = DragDropEffects.Copy
        End If
    End Sub

    Private Sub RichTextBox1_DragDrop(sender As Object, e As System.Windows.Forms.DragEventArgs) Handles RichTextBox1.DragDrop

        Dim files() As String = e.Data.GetData(DataFormats.FileDrop)
        For Each path In files
            RichTextBox1.Clear()
            RichTextBox1.AppendText(path)
        Next
    End Sub

End Class