private void BrowseBtn_Click(object sender, EventArgs e)
{
videoController.CleanFolder(1);
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
string filename = openFileDialog.FileName;
file1 = filename;
VideoTextPath.Text = filename;
videoController.OpenVideo(filename, 1);
imgArr1 = videoController.Frames();
img1 = videoController.ChosenFrame1();
pictureBox1.Image = img1;
}
}