Button file drop not working

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1.00/5 (2 votes)

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These codes not work for button file drop

What I have tried:

  public Form1()
        {
            InitializeComponent();
            button1.AllowDrop = true;
        }

private void button1_DragEnter(object sender, DragEventArgs e)
        {
            e.Effect = e.Data.GetDataPresent("FileNameW") ? DragDropEffects.Move : DragDropEffects.None;
            string s = (string)e.Data.GetData(DataFormats.FileDrop, false);
            button1.Text = s;

        }

Posted 10-Dec-18 1:04am

alienqueen

Updated 10-Dec-18 2:38am

v3

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RickZeeland · Answer 1 · 2018-12-10T01:59:00

Solution 1

See example here: Walkthrough: Performing a Drag-and-Drop Operation in Windows Forms | Microsoft Docs[^]

Posted 10-Dec-18 1:59am

RickZeeland

alienqueen · Answer 2 · 2018-12-10T02:38:00

Solution 2

I solved with these codes:

string[] file = (string[])e.Data.GetData(DataFormats.FileDrop);
            if (file != null && file.Length != 0)
            {
                button1.Text = file[0];
            }

Posted 10-Dec-18 2:38am

alienqueen