How to use OpenFileDialog c# windows form

Question

How to use OpenFileDialog c# windows form

Answer

using (var openFileDialog = new OpenFileDialog())
{
    openFileDialog.InitialDirectory = @"d:\";
    openFileDialog.RestoreDirectory = true;
    openFileDialog.Title = "Select PDF File";
    openFileDialog.DefaultExt = "pdf";
    openFileDialog.Filter = "pdf files (*.pdf)|*.pdf|All files (*.*)|*.*";
    openFileDialog.FilterIndex = 0;
    openFileDialog.Multiselect = false;
    openFileDialog.CheckFileExists = true;
    openFileDialog.CheckPathExists = true;
    openFileDialog.ShowDialog();

    txtFolderPath.Text = openFileDialog.FileName;
             
}