MetroMessageBox

MetroMessageBox.Show(this, "The message: Info", "The Title", MessageBoxButtons.OK, MessageBoxIcon.Information);
MetroMessageBox.Show(this, "The message: Error", "The Title", MessageBoxButtons.OK, MessageBoxIcon.Error);
MetroMessageBox.Show(this, "The message: Warning", "The Title", MessageBoxButtons.OK, MessageBoxIcon.Warning);
MetroMessageBox.Show(this, "The message: Question", "The Title", MessageBoxButtons.OK, MessageBoxIcon.Question);

DialogResult dr =  MetroMessageBox.Show(this, "The message: Question YES NO", "The Title", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if(dr == DialogResult.Yes)
            {
                // Yes
            }
            else if (dr == DialogResult.No)
            {
                //NO
            }