How to upload an image in windows application?

OpenFileDialog openDLG = new OpenFileDialog();
openDLG.Multiselect = true;
openDLG.ShowDialog();
//put filter to file open dialog box to select image file only
openDLG.Filter = "ImageFiles|*.Jpg|*.Gif|*.bmp|*.png";
System.IO.File.Copy(openDLG.FileName , "D:\\" + Sustem.IO.Path.GetFileName(openDLG.FileName));
MessageBox.Show("File upload successfully");

 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        OpenFileDialog1.ShowDialog()
    End Sub

   
    Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
        Dim _filename As String
        Dim _destination As String = "D:/UploadedImages"

        _filename = OpenFileDialog1.FileName
        If Not String.IsNullOrEmpty(_filename) Then
            File.Copy(_filename, _destination)
        End If
    End Sub

        private void button1_Click(object sender, EventArgs e)
        {
            DialogResult result = openFileDialog1.ShowDialog();
            if (result == DialogResult.OK) // Test result.
            {
                textBox1.Text = openFileDialog1.FileName;
                File.Copy("source", "Server.MapPath(strImgPath )-destiantion");                
            }
        }

private void btnLoad_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofdImgFusion = new OpenFileDialog();
            ofdImgFusion.Multiselect = true;
            ofdImgFusion.Filter = "Image File(*.JPG;*.PNG;*.BMP)|*.JPG;*.PNG;*.BMP";
            ofdImgFusion.Title = "Select a Image File";

            if (ofdImgFusion.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                lstSourceImg.Items.AddRange(ofdImgFusion.FileNames);
            }
        }

private void btnSave_Click(object sender, EventArgs e)
        {
            StreamWriter swFusionResult = new StreamWriter(D:\Test\ProImg.jpg", false);
            pcbFusionImage.Image.Save(swFusionResult.BaseStream, ImageFormat.Jpeg);
            swFusionResult.Flush();
            swFusionResult.Close();
        }
private void lstSourceImg_Click(object sender, EventArgs e)
        {
            Bitmap SourceImage = new Bitmap(lstSourceImg.SelectedItem.ToString());
            pcbSourceImage.Image = SourceImage;
        }