/// <summary>
/// 按钮更改颜色
/// </summary>
/// <param name="col">颜色</param>
/// <param name="btn">按钮</param>
void setButtonBackColor(Color col, SimpleButton btn) {
btn.LookAndFeel.Style = DevExpress.LookAndFeel.LookAndFeelStyle.UltraFlat;
btn.LookAndFeel.UseDefaultLookAndFeel = false;
btn.Appearance.BackColor = col;
btn.Appearance.Options.UseBackColor = true;
}
