cyf
129 lines
3.6 KiB
C#
129 lines
3.6 KiB
C#
/******************************
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* 说明：管理SplashScreenForm界面
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* 创建人：龚宇超
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* 创建日期：2017-08-08
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using DevExpress.XtraSplashScreen;
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using Lskj.Data;
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namespace Lskj.Control.Model
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{
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public static class SplashForm
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{
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private static SplashScreenManager _loadForm;
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private static readonly object _syncRoot = new object();
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// FrmSplashScreen 继承 SplashScreen，创建 SplashScreenManager 时会自动显示。
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private static bool _isShown;
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/// <summary>
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/// 等待窗口对象
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/// </summary>
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public static SplashScreenManager LoadForm
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{
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get
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{
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lock (_syncRoot)
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{
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if (_loadForm == null)
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{
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SplashFormProperties properties = new SplashFormProperties();
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_loadForm = new SplashScreenManager(typeof(FrmSplashScreen), properties);
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}
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return _loadForm;
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}
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}
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}
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/// <summary>
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/// <para>说明：显示等待窗体</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-12 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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public static void ShowForm()
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{
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try
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{
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lock (_syncRoot)
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{
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if (!_isShown || _loadForm == null)
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{
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SplashScreenManager manager = LoadForm;
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_isShown = manager != null;
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}
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}
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}
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catch (Exception)
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{
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lock (_syncRoot)
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{
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_isShown = false;
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}
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throw;
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}
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}
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/// <summary>
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/// <para>说明：关闭等待窗体</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-11 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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public static void HideForm()
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{
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try
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{
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lock (_syncRoot)
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{
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if (_loadForm == null || !_isShown)
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{
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return;
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}
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_loadForm.CloseWaitForm();
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_loadForm.WaitForSplashFormClose();
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_isShown = false;
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}
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}
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catch (Exception ex)
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{
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lock (_syncRoot)
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{
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_isShown = false;
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}
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}
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finally
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{
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lock (_syncRoot)
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{
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SplashScreenManager manager = _loadForm;
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_loadForm = null;
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if (manager != null)
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{
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try
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{
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manager.Dispose();
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}
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catch (Exception)
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{
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}
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}
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}
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}
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}
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}
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}
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