Winform 程序开机动画

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WinFormSplashForm
{
    public partial class SplashForm : Form
    {
        System.Windows.Forms.Timer t = new System.Windows.Forms.Timer();
        bool fadeIn = true;
        bool fadeOut = false;

        public SplashForm()
        {
            InitializeComponent();

            FormSettings();
            // If we use solution2 we need to comment the following line.
            SetAndStartTimer();
        }

        private void FormSettings()
        {
            this.FormBorderStyle = FormBorderStyle.None;  //取消窗体边框
            this.Opacity = 0.5;   //初始化透明属性
            this.BackgroundImage = Properties.Resources._00;
        }

        private void SetAndStartTimer()
        {
            t.Interval = 100;
            t.Tick  = new EventHandler(t_Tick);
            t.Start();
        }

        private void t_Tick(object sender, EventArgs e)
        {
            //渐进时逐步增加透明度直到1.0
            if (fadeIn)
            {
                if (this.Opacity < 1.0)
                {
                    this.Opacity  = 0.02;
                }
                // 透明度到1.0后,执行渐出显示
                else
                {
                    fadeIn = false;
                    fadeOut = true;
                }
            }
            else if (fadeOut) // 渐出显示
            {
                if (this.Opacity > 0)
                {
                    this.Opacity -= 0.02;
                }
                else
                {
                    fadeOut = false;
                }
            }

            //所有效果显示完成后,关闭本窗体,显示主窗体
            if (!(fadeIn || fadeOut))
            {
                t.Stop();
                this.Close();
            }
        }
    }
}