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lu

2025-04-03 62a564f283e70b5eda749df806162a8c5aa7fe75

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using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace Gs.DevApp
{
    public partial class Toast : DevExpress.XtraEditors.XtraForm
    {
        private System.Windows.Forms.Timer tmr;
        private System.Windows.Forms.Timer tmr2;
        /// <summary>
        /// Shows a message windows. 3 sec is the suggested time
        /// </summary>
        /// <param name="messageText">Message</param>
        /// <param name="vanishingSeconds">Showing time</param>
        public Toast(System.Drawing.Color bgColor,string messageText, int vanishingSeconds = 2)
        {
            InitializeComponent();
            this.Appearance.BackColor = bgColor;
            double elapsedTime = 0;
            testo.Text = messageText;
            double vanishingMilliSeconds = vanishingSeconds * 1000;
 
            // message dimensions
            //this.Width = testo.Width + 50;
            //this.Height = testo.Height + 50;
 
            //text position
           // testo.Location = new Point((this.Width / 2) - (testo.Width / 2), (this.Height / 2) - (testo.Height / 2));
 
            //first timer
            tmr = new System.Windows.Forms.Timer();
            tmr.Tick += delegate
            {
                tmr.Stop();
                tmr2.Stop();
                tmr.Dispose();
                tmr2.Dispose();
                this.Close();
            };
            tmr.Interval = (int)TimeSpan.FromSeconds(vanishingSeconds).TotalMilliseconds;
            tmr.Start();
 
            //second timer
            tmr2 = new System.Windows.Forms.Timer();
            tmr2.Tick += delegate
            {
                elapsedTime += 50;
 
                if (elapsedTime >= (vanishingMilliSeconds * 65) / 100)
                    this.Opacity -= 0.05f;
 
            };
            tmr2.Interval = (int)TimeSpan.FromMilliseconds(50).TotalMilliseconds;
            tmr2.Start();
        }
 
        private void VanishingMessage_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = this.CreateGraphics();
            Pen p = new Pen(Color.DarkRed);
            SolidBrush sb = new SolidBrush(Color.DarkRed);
            Rectangle r = this.DisplayRectangle;
            r.Width -= 1;
            r.Height -= 1;
            g.DrawRectangle(p, r);
        }
    }
}