private void MainForm_Load(object sender, EventArgs e) { if (!WindowCustomizationUtility.IsTitlebarColorPrevalenceEnabled()) { DialogResult result = MessageBox.Show( Strings.ColorDisabledWarningMessage, Strings.ColorDisabledWarningTitle, MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (result == DialogResult.Yes) { WindowCustomizationUtility.SetTitlebarColorPrevalence(true); } } }