C# DevExpress XtraMessageBox自定义字体，字体大小，自定义按钮大小，自定义Icon

Posted 2022-03-02 xyz0835

1.使用XtraMessageBoxForm，自定义Icon

2.重写XtraMessageBoxForm，自定义消息字体，标题字体

3.注册XtraMessageBoxForm的Showing事件，自定义按钮字体及按钮大小

 

具体代码如下，只写了简单两种方法，可自己扩展，赋值MessageBoxIcon可以显示想要的Icon

 

    public static class UIMessageBox
    
        static UIMessageBox()
        
            MessageBoxForm.MessageBoxFont = new Font("Arial", 14F); //定义字体类型
        

        static readonly Icon MessageBoxIcon = null;


        public static void Show(string message)
        
            ShowInternal(null, message, "Notice", SystemIcons.Information, DialogResult.OK);
        

        public static void Show(Control owner, string message)
        
            ShowInternal(owner, message, "Notice", SystemIcons.Information, DialogResult.OK);
        

        private static DialogResult ShowInternal(Control owner, string message, string caption, Icon messageIcon, params DialogResult[] dialogResults)
        
            MessageBoxForm form = new MessageBoxForm();
            form.Icon = MessageBoxIcon;
            XtraMessageBoxArgs args = new XtraMessageBoxArgs(owner, message, caption, dialogResults, messageIcon, 0);
            args.Showing += Args_Showing;
            return form.ShowMessageBoxDialog(args);
        

        private static void Args_Showing(object sender, XtraMessageShowingArgs e)
        
            MessageButtonCollection buttons = e.Buttons as MessageButtonCollection;
            SimpleButton btn = null;
            foreach (var dialog in (DialogResult[])Enum.GetValues(typeof(DialogResult)))
            
                btn = buttons[dialog] as SimpleButton;
                if (btn != null)
                
                    btn.Size = new Size(Convert.ToInt32(btn.Width * 1.2), Convert.ToInt32(btn.Height * 1.2)); //按钮大小
                    btn.Font = e.Form.Font; //按钮字体
                
            
        
    

    internal class MessageBoxForm : XtraMessageBoxForm
    
        internal static Font MessageBoxFont = new Font("Arial", 10F);

        public MessageBoxForm()
        
            Appearance.Font = MessageBoxFont;
        

        protected override FormPainter CreateFormBorderPainter()
        
            return new MessageBoxFormPainter(this, LookAndFeel);
        
    

    internal class MessageBoxFormPainter : FormPainter
    
        internal MessageBoxFormPainter(Control owner, ISkinProvider provider) : base(owner, provider)  

        protected override void DrawText(GraphicsCache cache)
        
            string text = Text;
            if (text == null || text.Length == 0 || TextBounds.IsEmpty)
                return;
            AppearanceObject appearance = new AppearanceObject(GetDefaultAppearance());
            appearance.Font = Owner.Font;
            appearance.TextOptions.Trimming = Trimming.EllipsisCharacter;
            Rectangle r = RectangleHelper.GetCenterBounds(TextBounds, new Size(TextBounds.Width, appearance.CalcDefaultTextSize(cache.Graphics).Height));
            DrawTextShadow(cache, appearance, r);
            cache.DrawString(text, appearance.Font, appearance.GetForeBrush(cache), r, appearance.GetStringFormat());
        

        protected override int CalcTextHeight(Graphics graphics, AppearanceObject appearance)
        
            return (int)(graphics.MeasureString(Text, Owner.Font).Height); //标题栏的高度
        
    

 

调用时：

UIMessageBox.Show("This is a message");