Multiple file selection in fileDialog

If you are using the Open File Dialog you can allow multiple file selections and the use the FileNames property to get the files selected by the user. OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = "Images (*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|" + "All files (*.*)|*.*"; // Allow the user to select multiple images. dlg.Multiselect = true; dlg.Title = "My Image Browser"; if(dlg.ShowDialog() == DialogResult.OK); { string[] files = dlg.FileNames; foreach(string file in files) { // do something } }