133 lines
3.4 KiB
C#
133 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace CommonLibrary
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{
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//=============================================================================
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//
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// 时间：2017-03-08 12:41:37
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// 用于耗时操作的提醒
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//
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//=============================================================================
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/// <summary>
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/// 用于稍微耗时事件处理时的消息框提醒
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/// </summary>
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public partial class FormMatterRemind : Form
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{
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#region Constructor
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/// <summary>
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/// 实例化一个耗时处理的对象
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/// </summary>
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/// <param name="description">需要显示的文本描述</param>
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/// <param name="action">需要操作的方法</param>
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public FormMatterRemind(
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string description,
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Action action
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)
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{
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InitializeComponent();
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Description = description;
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DealWithResult = action;
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DoubleBuffered = true;
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Icon = UserSystem.GetFormWindowIcon();
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}
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#endregion
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#region Paint Support
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private void FormDownloading_Paint(object sender, PaintEventArgs e)
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{
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//绘制显示
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e.Graphics.DrawLines(pen_dash, new Point[]
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{
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new Point(44,44),
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new Point(14,44),
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new Point(14,14),
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new Point(44,14),
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new Point(44,44),
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});
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//画边框
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e.Graphics.DrawRectangle(Pens.LightGray, new Rectangle(0, 0, Width - 1, Height - 1));
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}
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#endregion
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#region Form Load Show
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private void FormDownloading_Load(object sender, EventArgs e)
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{
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pen_dash.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;
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pen_dash.DashPattern = new float[] { 5, 5 };
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pen_dash.DashOffset = 0;
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time.Interval = 38;//2017-03-08 13:20:33
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time.Tick += Time_Tick;
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label1.Text = Description;
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}
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private void FormDownloading_Shown(object sender, EventArgs e)
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{
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time.Start();
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System.Threading.Thread thread = new System.Threading.Thread(ThreadRequestServer);
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thread.IsBackground = true;
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thread.Start();
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}
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#endregion
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#region Time Tick
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private void ThreadRequestServer()
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{
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//后台请求数据
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System.Threading.Thread.Sleep(100);
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DealWithResult();
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Invoke(new Action(() =>
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{
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time.Stop();
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System.Threading.Thread.Sleep(20);
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Dispose();
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}));
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}
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private void Time_Tick(object sender, EventArgs e)
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{
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Pen_Offect--;
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if (Pen_Offect < -5) Pen_Offect = 4;
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pen_dash.DashOffset = Pen_Offect;
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Invalidate();//引发重画
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}
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#endregion
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#region Private Members
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//定时块
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private Timer time = new Timer();
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private Pen pen_dash = new Pen(Color.Green);
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private float Pen_Offect = 0;
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private Action DealWithResult = null;
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private string Description = string.Empty;
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#endregion
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}
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}
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