[C#] フォームへファイルをドロップする – 端くれプログラマの備忘録

この先使うかもしれないのでスニペット覚え書き。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace TestApp
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        protected void DragEnterHandler(object s, DragEventArgs e)
        {
            e.Effect = DragDropEffects.All;
        }

        protected void DragDropHandler(object s, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
            {
                foreach (string fileName in (string[])e.Data.GetData(DataFormats.FileDrop))
                {
                    MessageBox.Show(fileName);
                }
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.AllowDrop = true;
            this.DragEnter += new DragEventHandler(DragEnterHandler);
            this.DragDrop += new DragEventHandler(DragDropHandler);
        }
    }
}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace TestApp

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

protected void DragEnterHandler(object s, DragEventArgs e)

{

e.Effect = DragDropEffects.All;

}

protected void DragDropHandler(object s, DragEventArgs e)

{

if (e.Data.GetDataPresent(DataFormats.FileDrop))

{

foreach (string fileName in (string[])e.Data.GetData(DataFormats.FileDrop))

{

MessageBox.Show(fileName);

}

private void Form1_Load(object sender, EventArgs e)

{

this.AllowDrop = true;

this.DragEnter += new DragEventHandler(DragEnterHandler);

this.DragDrop += new DragEventHandler(DragDropHandler);

}

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