Code snippet for messagebox with YesNoCancel buttons in C#:

System.Windows.Forms.DialogResult dr = MessageBox.Show("Record has been changed.Do you want to save it?", "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);

if (dr == DialogResult.Yes)

{

// Code

}

else if (dr == DialogResult.No)

{

// Code

}

else

{

// Code

}