浅析c#中登录窗体和欢迎窗体关闭的问题

第一次在cnbogs发文章,这次来个很基础的,主要给小白看。

在c#的winform编程中,我们经常会做登录窗体或欢迎窗体,并把他们作为启动窗体。

但是,我们有可能会遇到一些问题。

请看下面的代码:

private void button1_Click(object sender, EventArgs e)
{
this.Close();
new Form2().Show();
}

这段代码想让form1中的button1在点击后关闭form1,show出form2,但是目的没有达到,form2是show出来了,但仅仅是一闪,便和关闭的form1一同消失了。

这是怎么回事呢?让我们从,Main方法里找答案。这是自动生成的Main方法:

  static void Main()
{
Application.EnableVisualStyles();//启用可视样式
Application.SetCompatibleTextRenderingDefault(false);//将某些控件的UseCompatibleTextRendering设为默认值
Application.Run(new Form1());//这是关键
}

我们看到这一句

 Application.Run(new Form1());

这是什么意思呢?这是要在没有窗体的情况下,在当前线程上开始运行标准应用程序消息循环,并显示这个窗体。

也就是说,要在一个没有窗体的线程上显示一个窗体,使这个线程不结束。

回过来,在button1的点击事件中,我们show出来的form2又是什么情况呢?这个form2是存活在一个新的线程上的,所以这两个窗体才不会相互阻塞。

那么问题来了,为什么把form1关掉,form2也会关掉呢?

原因是,form2所在的线程,是show它的线程的附属线程,在这里就是说,form2的线程属于form1的线程。在form1关闭的时候,form1所在的线程也就结束,连带着,就把他的所有附属线程也都结束掉了,form2所在的线程自然也不例外,所以form2也会随之关闭。

知道了原因,那么我们就来思考解决的方案。Application.Run();好像很牛的样子,我们来试试它行不行。

改变后的button1代码如下:

 private void button1_Click(object sender, EventArgs e)
{
this.Close();
Application.Run(new Form2()); }

可是运行结果是报错

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SbcZdbKhldmzYOcX/hwIH/wq4kYUWSr3zlwXGJGwAAHJQj7nC6SKV74B5WQdzyWsC9e/8Q4h4FrSRNmkEYRHEn7caRNUMzSTtxNNlOuvpWNUbaz2aSisabiVxKK5FLbCbmaBudOGomadIKgijuJE3eVBR31E4af5pEcbcTR9RTOS8U88jlkovOOpskVv+zjZnf5yjuOsYcMTrAp8j1iuJuSrxr9NqVUCop3Nrw+8zovpn5SyUs3Walki996cvDjjk5jLibi9044v8GQRgErUWxXyw2y98uucjddOiltxbTRa+4FzVxa5+1ccl0QCFqfU3Zalaxn2FzMV1s8n89s0Vxl70XYj9sLaZpJ25F2RLFu9lcTBdbQfYgijti9aO4w54i/6QWSotbXYR1vHA0TtlQziMajOLuYlOfuUCfHf1UVtzqpyV4j/3VdRvxXlQe4xe3cXLyC1+4d7KlklbSiSP+bxgErSRNk6bcM5LCRojijnzhsPBUeNh2RMbtQs24laQvCLjEy1qdEWyrMrf2iPuZNPvZkZSM20C8mzzRlg9E41pW3o0jQ1X8eGCnvprfsj5bHWAbQ/6pLq4TRy5xy66a0Y2jgn0ukHE3E8/nJYq76pvYTMaw59QYl7j1O7uK+3F/frgYXNxs75cfhijuDHjgrbW41cOV8qz/5YOzacTNzCX9RUE4TY9O3NK/XghpJaa4xT7DHCpzEbYU4nhAZrJCc/q6WztD1iBfO/4dSNtcqriTlt44F3eRPrszbk3c9JZMWpq4tQ943gdkU5Inbo3JidvEVlgUdxSNCtkpWUDSVBMZRYXZBD6lGzf5ZzBpZumGvVMq4m4laTeO1Tm1/siv2GrxQPRfrXHLHVTPudhr6WK3rLGy12cvVLaPvZrKzHTH9G3l7Js60dgCIanUKO7KVzWTlB+J6TfC3eeS+9nfjpfZxxa9NI4741YlmCRGmllQ3Nm7xZ/ipeNY87JaOOLLZeaN4g5/3xWNZptFCULcrj67a/HK1iBTafOQaew2EDdBTcUtfap/KxRe4zuH8bXR3CeU00rZdMVlbBEyx7f2Hl3c6pziCybvj2w8ihO16MEatMWtHZaaiV/cSuOdVP1aqrRvr6Y+M90xZVvpfdMOkMp0cwsYNW7lo9uJI+ObhP6ZL9DnMvuZi1wRvnSeHqrZY9LSdglFVaIFZ6lEea+7cZSf3WuHBNY1fcdgR8Qo7iZJIk4AJuIdUSobcjvkZdy5fRbbk45er7eo7s+uNRLbNk0Xm0buoix9FB6sHbUVd/Yeq1mbLBEqn1LtzVY+5NYe1IkjXRmux9kuqGXc5vl3MVGXvv4lICTEbQha/ukUt5pxW2tKr6YrF1Y7RgnR7IN6wLO3gKuIob8v9noV6rMm9OH62Td0jVuVdfZYCEi8iXrZge9IrP9Es3xTUNNzqoXsUGGcHPLWuJU9QXvX+umz/mcrSZOm4yINOkPn9lfPYyPjJqi3uMX7yvchtitkqQSH7QuWSnIqD57HnDxx8xmyHVR+Qw2M3LCYuHNq3G5x+/L00N2xgkLUj1LaxCHEndvnvsXt6Wcu7mRSO7RorzL1J1bNlqDMxw0Jsj05irusgG6se7Zg8jJEtRtJopzJd4qbPLvIdqHcPnu+JbCbFKVdozJDbkHWmrgyJ9tbIG6TeopbyxGUj2IUdzpJolzDFGf7q/UhNysSdmGBeqx8v84Vt9kfxSZKqddfKsnKkeJVrqtK2B98s+jt26tpndQiOlasBJEdVIqKWx7PqANSK+bfe+g+Uys4fD/7pJmkna5dOgsKiMkhQWrPEf2XB/5mkvpPRDu/B/hXmR8FsulFMm6iz+rOrP8p0221wK1l3JF2NhLizqUvkVZG3Hp2YFxFpKYb2QdJ+8C7zsiFxcUtO+D9Aq65RjunlCTOjDtQawXdONaTRy35s6pA2W8olH2dWE0ie7U6pmwrrdrjPulHiVsJkZoppX+l3Kw36OoztYJD97Mw7H3Rzmw7neLKuI0NojzL9wRjH9ZLCkaNXmvEFrf49mmfRdDed7toZog7t8+yNetcRZ64xRutrqMh7sUx/AKgbjQaM8V/QFMhcbso6RK9OuKqS2wYJriCql2Mp2QJO0nyyimsrGFlr8oBhroe0XlViZV8WIvSPgtEJURdnKsaVLDP2pc/+YvE1mJvsen4UaL7KpTWYrpI/IpT9mfyu+Lk6esHNJUXt34acJMBcQOwWdg44uYX723eD/aG99qGX8GNQyk3EgEeNo64AQDVBKYuHYgbADBaIO7SgbgBAKOlRHFbAyGRQyPlDFjKH+cOH2qPu1SZIxDEDQAYIeXUtY1GMrE6Zva1Jl6lDuOrdVifmXrJxIG4B0X5JU4+VRgMYURov23Rr0x3Q1/jrF4ipt5Aw9OaeUsQUEVKyLiNFogGc4dWyGsz663eLG/c95LxU01xk7e4Gx/KXevCQL23n/pnJcStX3w7kWNDqeLOfkKi3bvZut+Aee+9sa81GDPGFSnekcmc6XbuuDlBGNClEog7X9wVGCRB86x6q5MwGOw3PqMU94SvkCsq7iKDA2Q3enaZ3VxriHuTYBSmndm0z8gSPsWRiYdhqFTJIe6C4o4qMEiClk23EnY3fM9tenKBuAPt7vu6l8XhOfdWTurtdunAbT83KJa4zelBGBCnLvk8oXygVdullKkDgNYIxN1fxs3Q74EwjkESzJxOu3kxcU8o8t781GAI5vRsSAH11t7G/QutG65S/dQ3oDU/m1PebTx/U7gX6lq1ocXtmFlD/2k1Mu7NgqtUYl4ZUijjtl+rQL4W4i5S467AIAnS1Nni5AvNV5H35ncMhuC4wX92YGgmnU52NzhxFx5XvUjLUcX9xMkBBCJ95IS8TeFbqGfVyhG38/6i9vgpEPcmQTc1cUkff1Ao4/bXuLWXoFTSh7iDMJj0IAnC1OqN7vjN7agbals3nCs6GILos2iN3Y840RZtrym1ysaCzBmMOXM3hXuhvtuFD1njln1OYj5iC/UGeUolG/XSnU2PeaWH/NM0afGM23eRIlVOIRc3Maor7iAIJzhIArePUnBv8r/VOyaXIm71wKAou2nU+s1zpHJinrjJW2MX3BTUQgcWd7GMW1wRmM3vOxuMjHtT4P4VjC1u++Xkb3aE+gl906k3ubiJUT1xR5UYJCFgpk4SrezA/xb98YjbORiC6wb/YRR3O52uHPRPFkyINc36ade4Xe33KW7fQj2rNuzlgFqJhrhTswXEvRnQdOk3qfFTGvJnO8QispOT5kWBolnP730mQfXEXYFBEvgS+YgjsgNKLTvIFbdnMATy5KF+2s06hGhr6hO3q/2+M273Ql2rNry4jZ6kadrtEN8zFCBusCmporhdbOJBEjYapLhFMYqsevNDiO9SQJS5waahPuLe1IMkAABARj3EvekHSQAAgIx6iBsAAIAE4gYAgJrR2GCjvAMAwIanL5FC3AAAMHkgbgAAqBmNxsy+ffcXBOIGAIDJg5OTAABQMyBuAACoGeMT95EjRz7/+c9D3AAAMCQQNwAA1AyIGwAAagbEDQAANQPiBgCAmgFxAwBAzYC4AQCgZkDcAABQMyBuAACoGRA3AADUDIgbAABqBsQNAAA1A+IWNJNOHE2+G2DU4I0ekFaStPQpUdxJmpPv2GakmuKO4k43jvSJUdzpxJExJduTqJcEYdBMUjlPM0mNFthERxQbVN6xXLIDQRgEYTNxthzF3TQlPwnaUqK424mjKO6maao5KIo7adqJW3HHWhWzwVZCLsi9NbRtYrqP2gjDbtjC26eZ8IlZrzKhRHFX9rlQf5pJJ46pWbtxFKptkLOJplqOhWWd921pZYfJ+k/9qb0XVovWekVy5xl4+8sdzw662eZi15ruasHYRMBD5cTtfVO1/YMZUHiQFmgz6SaJo0EmcUusauMDd1I9QjST7KPIjx1ks1HcSZM47hL90Q5RxGdP9Ift9EYeRDraIW5luykbs5XoBzyzA2QO69iwhHoK4tk+QStJu3EkGxdbQD3YF3qj2Zoq66tveXJrUKtPbl5Xfuo/9quLow+QmbjdxhdvaF6ekUMUJ+q6W2vUXMw+AoutIAibi2/ai9P2HzP9grgLUTlxi/cvL+MWfzaTNGlGeo4pXmsn6TbDJYaD+93QQRR3RLctufO9WX4Uo7irpntiZimLcYjbkp31rpUrbt/2MfacpKn9W/yNlv135Mt8dcytoW8ruXkdi3L2mdi19OjGTX03T1pNdSfwZNzyg0BuhNzPCPFeeDYjn6e72AqC1qIx02IrgLjLoLLipnYNLfVQawLdOJKfOvUB+4STrYn9Y6CMO9vnsi4RKlQlpe2sxkKjuKPt97LnfOakGbIKo/K5U5elreBQpZJs9V3i1pTUiSNtTiPDdUTf4vZuH8rj1Oc/741mb1YUd5NmXxm3lYA7N68n43a8F1HEjoiROGIRB48CJfuIf01pJWwzDlLl5/sYmVKQb1l3sRXFb8o6SXMxXVQ+C659A6WSglRW3L6MWy3vWqUS/oAoAZPk+kXJ9axO6t+yKXG798+WMk9WkFV9lIqvFOYOTTqIzUe5icJKCTtx5DpeErPxbwCdDrGCWU25jIw7d/sEUkz+TLDQgSQrlTTN946vsrYlgjBoJp1Ot9MxCjg5GXexeqDwbNRKOt24GXeShPtaPZw0k06SdJJELDFpZktXvkAkrWzrDXx6tplQaYHSafUtWIzjbpp2xbex7pvGSZrsc42Mu38qK27X7hwGQdhMkqbY+ShxJ01tnuEyboe4hVDIjyifPzfjVsvf5jyBctqNZ17K9OyDyltoxt1OmsRxQp5aK1aEVVffXSoRnzSqRECcAXZ8dyl0kIgLbh/ZMSv51U5O5n21Esk7F7fjqGwUnZM47rJzLUPY0H6hVe/iR3GelCj1MfbuyhmSpngcxQmv+8f69wb9GNbHcdT80Fl7iHwLIibtVtxdbAZhELQWu9lbE8XdRbWMA3H3T2Nso7yXXOMmxc2c1c+3yAG/0XPt5JSS+6hxi/mpDvuODXKeOI4TdiBRcnn36vvFbWx/Xdy8dCPryNZm827VbJ7+ca0Rnz5kxt0UDoziTtKy3jtK3M2EXWWhpg75J661t56/ijy8iYOBdpFMJ25pOQrfyVuujLsZx1FkinvIYwyxLQ1xZ2/Nm904UmsmOZ8LlEqK0dd11WMQd8Fv6w5xO064U5/ZofaPZtKNI8N9OTlskcuwyHmoa+DEsli1hudWsgO26MmzZ57eWqtmVHUzARmb3c6YrAUVOWPc5zbk+4A/485/T4UEmwkrLORl3HxiNie5ao5M33jWdU6FF8C0nujqJy7NtN7ZEYg7J+NWnlpM0zTVri1R693IuAejauJW4edkgiCMIuJqM7e4xW6UzWPmp4rj5FdLdsywrkhx1rj94i58BFLIy5G1L/Xq4acZx5GlyIEz7si85M4+/9ZSslOfuIk+lC9u9TBGpnDF3uggy6A7xNXKiri1luljQ6Y2I2vQv7tk76CqQsVlvBvqbxGsRqjeyi62jAbtLqnlxJyDHL/IXa3T6euVXb6yKKrbrcVUVrrlTrKoFbgg7v6pprjFR9DYfVWBOg/+So6Tl3GL1zquU2Z74YDiNhk44xZbQzYu/WRcqlyOuKO4ax1RiIybXYCRJrH7ChZ2LQh1ErXoGdRi20c9xDoy7kJvdCBPvqmXhGubq5kom13ZOY09kO+uok1XWcz4PU7WiLrfinxc2Fn8DoisB0ZxR5ypNC7Oy8m4WSeJS2joPvsybsXjUfxmmqaLTXZ9t0i6m4vaDgZxD0TlxN1MUuqrvXxfU0PKVJ4lXp6fcSvN0vbx0KJTDzUBURhY3PppUm3tlIxJrpTzvC75c0B9pVuUtUPvb0DojNt6E9XqzeA/AHGWkmReKfuZbQaje943ml+hwa81LrhLWD91UZTt2M7GSenAmpn9NEFdWeOtieJu2kmSTjaz2BXUt0BJhHNKJcUybnufNHZCKWVxkNEW0U3TxWUfEJUAACAASURBVJZWJ5F9040/2O6xqaicuAEAAPiBuAEA9SMMpw0m3qVxAnEDAOoEN3UQmmwmfUPcAIDaQCtb1/fEOzkGIG4AQD3It7bb3ey1QWAWWGT+HtAvZFn8dBgq7Wiv6rdc4+iA3pMgkA8EeuONxszy0lwQhEGwf365Z8XS0WzmOYgbADAxhhU3VzB7NvOsKm4paIEoy6jzsKcycYdGg4XQZyaW6/szbDRmZueXl47mL+joUm9ji5vf03mEi3BeEi47gItYAaAxrU3lqgUKJtSr1Dw3DANnOiy6MVTGLehH3Nmz4lWNxkwQ7J9fVjNrgqNLveX5/eMRt36x7aiu6zR//1aeuI2LhfW7IEHcAAzEUOLWPRtoD1Rx20z7npUZupaqe1+ivFZfO31N1WMDNacU6dElu07CiiVzs/PLy/P7g3HVuI3bpY4C9efj8sdaZYpb/RVc4d81QNwAOBky486vcStpNfXCMMjm8RAWcH1uC1LWzt42du9hdhYtzy31ludniSXOzi9vFHHTt8sYjbiD7FZQeS+EuAFwUqK4HU/JxNlVSLFeNUCFROItlej6NpgOw7DRmAlm58X5yVAm10eXelrhe3Z+ubc0QXGrv5nW7oaRNJVbEivDO7GRPrTf4+qtUYvoZj8Mz34iTCxaufmy0hSfavdfTFENrhRUlFoNcScj6+axLLpxTI19DMAGpRxxK6coCTVnGXeWNTsz7qxxK18ugk/cWX/MhYrjhC7uuaXl+Vn+2rkleUnJLLveZIzi1krcQStR5ZvdU824+5I0uD4cDJnwcqdbTsxeko0eYi86uz8GGwBF3BJI3mgtT9zKoKvZ6mj3ZaXW16jw4MYOYBNRgri1aobSZiFxl3xyMszJuO2yicAS9+z8EiuSZPXupbkgCI8uLc/Pzi1NLOM2B1WRMxhzqrUO12MN/Z6Z6mzi3kmuRQsF8xtzazc4JcXdjSPzEKLcxkgXt2uhxnRrrBkANjamnQe4jttfDDHq1Owx5Xo+cxBSlwMWOTlp5uZ0bb2QuOcyXYsiydElWe+ulrhJRfYtbvGsvGVzEXGrI1sqym7Kurm7/1LcMl1WJ/rETXUG4gabjOHEHSpK1bxpiduoewh9y5lzMu5ccZOnQIk1dV2eGLAf4PR6vV6PlbbdTFDcdumAVmSeuGUBRLvLpZyTErdz0WKoXHELUFkwoa4qUe7Zb6lZuS+zu1SS3XGbLJX0d09OAOpLvrv99QqzQKGVOFxFanMe0ZQj4/bjWoSzk3TGvXuPWR6xLgcMgnCy4g69JyfVeYqJW7/bMnUdtz6ejvOibPVO2eprHdehqzVuMU8nScyMO2+h5snJYnfBB2BjQFS0lar3xLs3HnCvktqif/NAxg02FfbJyYl3aZyMSdzM2hD3cKgDO+nlFADAZgLirhVKGQbWBmDTAnEDAEDNgLgBAKBmQNwAAFAzGo2ZffvuLwjEDQAAkwcZNwAA1AyIGwAAagbEDQAANQPiBgCAmjExce/cuQsAAPrlnnvuNZh4l8bJhMUNAAADoN1hKsy7HaCKcfM/74A1hYezcdzEVd4+ZaD7qBDDROgj73CRHl1Shp0MA3vosiAMIG4AwGQZ1NrqkAj06DnOkXkHuvu2OgxCH+OZFVmRIAyMUd6Fu48u0bfnhrgBAJMkE3dfuXZgZqxBYCvVMwCC6yk6HdZHbLAp0GFPT4IwCMJGY4aPKOm7Gfd+NgvEDQCYGIa1+7ihqzZumTKxhFyYSL2zXmWDn03br/KNklNM3LIqIkd5DwKifgJxAwAmhmv8hPzXqhp1ZsEFSiWOVwVBaGfZssMDijuvxl0g4+ZA3ACAyVDCqDdUiu0UqLNlw7mWuLPvAWqZu88BH0rIuPdLsUPcAIDJYGSdA4xV5k2olXnY/K7GzZdo4haz6a/ts5/8Jd4ZkHEDAGrDgNbWbaumzHb67Bjx3RhQWM2vs9eq7RhL729NveIOQ/M6bi3jVmBXB0LcAIBJwsU9gAoDRbKGiLUZ/Bm3eQaSSr1DUtx6kXrgk5PstWFj9x5nus1ieX523OKWg6bzkdTVIc8do3Y1kzTtxk11tHXZlDqOO9lOK9GGY4/ijj46exA2kzQbUt0MPg6kOnK8NQvGXwdgWIaydqDVuElx2+chqRboTLzPjDtP3IH72XA6tH456cm4x1jjzkZWTJKEGzxhkm0mbDhz1Z9JU6g2aiWdzKRBYMwWZk5WhK4LN2kaak5agSnu7NgQxV11cQCA0dHf+T0b/eSkUd02tO6pg+sthMrlKPKpoUslvop8GBQWN2PsGTf3ayuKu2najSNraHP2fJwNoasJV0iW65UdDzpxk5s6aQZS5XHCPd5KUrlEZmR9gF53xg0AAOOhmvcqUVwp0lueF4sKRjORalYSaqHdQM6TV6/g7URRnKRpkiTCz2yCPEjkZtyEz60DCVsFjM4OABiSaopby6yJ2nEniZNumnaTxFlWFvWQpNlMeJbN1Mmya72ELReqlVOUZ4vUuM35jWq7WBGIGwAwJJUUtyZHqT9mc5kIizONSZJ0uh0q49YS95QoqQiHRlSpJSVq5XnnGKO4m9XE024chc0EpgYAlEwVxc3KF0qVmeXCVoGbn6iMoiYhXiLjFi5uJnrJxUqNBewwIHTfiSPruhRlYfI4ISsnvCjvbh8AAAahquJWrZgkxkWBTN9ZFpxdIqJn3NT1IYEu7iCwEvMsMuFaNW5+1lTpNmuFvyQ7HogzolZlBgAABqSK4g6CULu2mmfWesbNJiZZTkyLm10HwmvciZkvK5myUdAQ17HwP6W4xXRN9knTrF+ribx8CjVuAEApNBoz+/bdX5BJXFXC8u00TTvdjl6VFpVucZ2fEUkru/JEnJxk7Q+ecZtF8yzjjppJR2mTH2v4n60kTeII4gYAlEMVM27NelEr6WQprW3MIDB+HpkRxd1OHMmCiZyBFLcn45Y1maiZdNKkaV/okvUnUzsEDQAYEVUUNwAAAA8QNwAA1AyIGwAAagbEDQCoAd5hEIa481Q9gbgBADXAr+Z8cRc0vvyTugdskU464fO4pof6rVzVm81mL5QLqoq4v4NAIGoeTyNGEOqNuaW7HSLdP7/cW5qfX16enw1CObbZaMV99+7dqakp/FvxfxGIicRnn33G/mVhP85/vSdyZ/gsfwlZL6npH39865133nn//fevXLlyTcbaWpquXbt2bW1tbS1N05T931tfX7906VIQhIa4czPuo0uZuMeUcff1LiImEnA3YlJRirh9z3jdrM7jW1QBcV+9enVNCZe4L1++HIbTTz/9NDmWglvcy/NHdXHPzo8p40YgEAgjhhW3P6POe74PcTtCiPuDq1evruVk3Gmv15MZNynMRmNmubc8P5tb4N4/vzxoqURae4CMe/Xs7cMXxR8Xb9939lP51NKZT6bmVW4/etW9QbPX3jk8f3vJWoreVNamMuenjz7Lp6ye5a2tnr2tL/fTR5/1/NlfO0vZzK4uEevij6Uz3q2UFziyIiYVHrveLSTuwovRm8oxNdlLaroq7mvX1GKJR9xUxt2PuGfnl3u9pZGLW3rBkrLFmTuqFlfP3j588c5hj8fzxK0eEkRIe969e9Fldg4/uly9c9+ZO1kDxp/F29HEra6I6LzVjrb6z95Z5a81Wx5S3AjEpILMsvsVt54wU0525dp99ZKKW7duvfPOO+9/8IFVKkmd4g6njYw77+SkDj87OXpx2+HJuC1xqzPLp8QDQtyfPvos11l+xm0umuqkJtPbj141mjW64WxHe9Wztw8/y5u67+yn1lFH/ZM/Vg5C2YFHbhlk3IiaxlAZt7uC4VJzn8LWe0nFrVsfv/vuu8VOTqa9Xu/S5cshOzmpDmecd3LSrHfPzi2NM+MmclUedw5nqbSVUap2zrJOUtx3Ds9/Ih1aJOO+7+yn9PeAM3ekuFVjPnpV9uHuXWnMIu1oi+b9t8Rtfr1YYk9dvXOfc/t4v5EgENUOv0aLSdawsenmfLXnJuAecX9Mi/v69fUbN26sr6/r4l6/fPmyrHFbV3wXr3GPRdxqMIstnWFVkbt3795dOsMSZDVl1jLuTPeZ9zNxCz/ePmxpyyHuu3fv3r178bbVASXUA4wu7sNnbqszq6luTjuiBUPc+robs92lvkn4Mu7BUm9k3IhJRd85s6MBc4rj78+sP+g27IU4nvn444/ffde8HLC3vn7zxo2dO3feuHFjff26dlWJvByQ+q1QtcSteeHqnfvmPzFLB4L7zn5K1XC5qoiaibfGzZaVV3d2VN4VcdulEuW1mrg97ejP3r6PEre9Te47e+fw/O3DZ9Q+09tHqyAhEJsjKOMWEnfhA4P6OiI+/vhjcR03r3Gvr6/fvHnz85///O///u//yZ/8yY0bN69fX19bW0t7vfVeT14OqKky73LAyWbcnz767CdTz95ZVbJdNtFf4xYP1Dy0mLjv3r1rJqG+CzboDN0slbA2fWcF3Zm++a1i6YxSD1Hm4W1evM3ErXfYzri1RL6vy1FYIONGIAYLfnJSZNy9Xu/GjRu//du//cADDxw/fvxb3/rWI488wmomBS8HLCbuMBj4BzgDZtwXb7NTc5mnztxWq8ZZKVlLWrXidY64r96578yd/CtYnr2z6r/QhfWKErdUpFKjyGvnrvwGIBq5euc+bVMU/Ipgi1sr/Q8gbgQCMVgY4r5x48aDDz748MMP/83f/M3f/d3f/eAHP/jRj360tLR048aN+olbhixtGzVZvQaSXfiRTWf1Ci1Pd4tbu8bDc8EG75Kse2iZ8tU79/nEfdeYkt/O3btLZz6RpyIfvcpeK1SbzUaviNL+p48+e/vRrKhy+1HighO+Gc2auyOQcSMQgwWZcdtR/4z77l3rmoq76jV8amQX0j17Z5WVgPWTk7IorJYUjGb1qkUBcYu0l7/QqnGTreW3c/XOffNqqUcW9IW4+aqZ4ha5vJbaq1fOTFnXDvJTr85reBAIRDlhiJv4AY5yZXfNxK2EKICcua2XPu7yJFEXDfeyMpG5W9YlHD+5vP3o1ewsqNWB4WvcRhmnUDvGaUw1lTZOllKLdoV5dY16xELGjUCMOjayuOEFBAKxIWMjixtR8cCRFYEYLEoX97599xdkTBk3/q3yvwgEYoBAxo1AIBA1i1u3br3yyivPPffcgh5PPPEE+1fGd7/7/7/22msQNwKBQEw4bt269dxzz7377rs3RbDr/65cuXL58pVLly5/+OGl9957/+23f/nGG52//du/hbgRCARiwnHr1q1vf/vbUtm93vpaml67tvbOO79+++1fXfz52xcuXDzXefPFl17udpcfn38c4kYgEIgJBxO3/JXN2lp69eq1jz66cvHi2z/72Vsr53/W7a78+F9ffeGFf37jjQ7EjUAgNkIMfXfACYcU9/Xr19O0x6z94YeXf3bhreXln5479+bZs+defvmV//2/X3r99XMQNwKB2AjhV3O+uIspX/6pPNPHUcGzkI8/ZuLmdZJr19auXLl66dJHF1aFuF/r/PjHr0pxX74sb+vKJGne1hXiRiAQVQ/jJquGeAuKm5xoj6WgPCgpnc/ErWfcHnHL+3Ernswbumz//HJvaZ6P8s5HLutNYrBgBAKBuDv8mJOeZNhzTDBnKtZLano/4tZq3CElTJdIjy5l4kbGjUAgJhyliNv3jNfNRfPvAuIuUCrpPD7/uBxIwRzl3TuQwtGl5fmjurhn5yFuBAIxmRhW3P6MOu/5PsTtCFXcRUoluScniw1dtn9+GaUSBAIxofDY9W4hcRdejN5UjqnJXlLT1ZOT16/fuH6d3Xq79/77H7777nu/+tW7v3j7nTffXNHFTWXc/Yh7dn65N+bBghEIBEIGmWX3K249Yaac7Mq1++olFeJywJs3btz4zW9u/fu9ex/68z//2sMPMx579NG///u/f+utn2vitsaczDs5qcPPTkLcCARiQjFUxu2uYLjU3Kew9V5ScevWx/Lk5M2bvzn8F3/xP59++h++//3vf//7//AP//DDH/7wJ6+8oon78uVQuxwwDES6XVDcR5eW52fHOlgwAoFAaOHXaDHJGjY23Zyv9twE3CPujzNxZ6WS3voHH9ClksuXL8sat1ok6bPGDXEjEIjJRd85s6MBc4rj78+sP+g27IU4nvn4Yy3j3nvffX9+6JCjVNLRruNWCtwQNwKB2ERBGbeQuAsfGNTXEaGI+8ZvfnPrLw8f/p9PP80LJXqphN2rRF4OqKky73JAiBuBQCBKC/VeJfRVJb/4Vbe7gnuVIBAIRFVCFTddKvne91ZXfw5xIxAIRFXCEPf/+9//+99/73v/KOLll18+d+4cxI1AIBAVCpRKEAgEomaB+3EjEAhEzQLiRiAQiJpF6eLet+/+gkDcCAQCMUgg40YgEIiaBcSNQCAQNQuIG4FAbPbo/14lEw4p7vX19bW19KOPrly6dPmDDz48f/5Ct7vy+uudV1557Z//5V//8Uf/VAlxq9aGuBEIxJAhPW1SbX0zcV+/fp1Z+8MPL73//oe//vX73e7y66+fe+XV115++Sf/9OK//PAfX4C4EQjEhgpa2bq+J91HOm7duvXss8++++67aZpevXrto48+unz5o0uXLl+8+PMLF9762YXVn/70ZysrP33zzZV//ddXnnnmGYgbgUBshMi3ttvd5r3+iDoLmbGbpRjzZYXLNbdu3Xr55ZefffbZx+cf9/PMM8+cOXOmL3HPzi8vHTXnObrUYwFxIxCIicWw4tb0avualC+bpL9MfT3xDB23bt1655133n///StXrlxTYm1tjf27lqZpura2tpb2euvr67mjvKuyNh4vz+8Xap1bWh5olHeIG4FADB+mtamsOb9g4su4cwdrsGfpL+Nm4r569eramlfcadrr9cgxJ9WMG+JGIBBVj2HEnWlVT5DdFRL9pb7nPlMf6AvTon9xXw7DrFSiDn8DcSMQiHrEMOKWL/dk3I6kWZ/mejnRkNl/XdxZMFunPDJxXxaDBXvE3XMEE7ecAeJGIBCTiRLFbT9jl62Nlsnu+J63or+Me31dDhZs17j9JyeRcSMQiKpECeL+zJ0xK/MYDzUzk7Yu5vB8cWc5OD85GXgz7vnlpaP0VSVzS8vzsxA3AoGYeJQhbjGjMGwf4hYTrEUW03ZRcadpmqa93nqvB3EjEIiNEKad+7gcUDG2uxji9LEh7mxm6nJAh8MLiVuUunslihs1bgQCMcEYTtx3s6s/NLES4qZ1/pk9D5Vx54n7ytWra2vXer3eDTtu3ry+vl5Y3K5zk73e8vys+AHO8vx+iBuBQEwy8t3trVcYRtUN7bz0z9S4OjPxDB3KD3Curq2t3bx589577w3DMAzD3/3d3/3DP/zDv/zLv/zWt75148aN7KoS7w9wSJFaGXcY4CfvCARi4pElu5ay/eqcbBi/nGQZ94MPPvhnf/Znx48ff+aZZ370ox+xewdmP8DBvUoQCMRGCqusUV1ls7B/8s7c/dd//dff/e53X331VXHH1zWIG4FAICoRTNwffPCB+gOc9fX1GzduPPfcc9LaEDcCgUBUJZi4L1++fO3atVSJ69ev37x58/r166lyScn6+jrEjUAgEBMOJu6rV68yNXtifX0d4kYgEIjJBxP32tqarWkpazUgbgQCgZhwMHHbjr5+/Tr714hcce/bd39BIG4EAoEYJJi4bUG7Ahk3AoFATDiYuC/1E/UQd/F+AADAZqAG4kYgELWOpxEjiEqLGwAAQEEgbgAAqBkQNwBgcyEHACtKOB2G/UznT007/yzWQ5ogDBRxW0MG759fXp6f1VqDuAEA1cKpTg23BzMbEn7kSEH7G1E8Lh/zpvo9VHhWJAiDIGw0ZpasAYKFxOeWesvzs/x+3KMdLBgAAAaARd5sPm9q4pZTXFJWs2zX42xx0wOK2zhyqCsShIEv4yZeBXEDACYPGd6XcG9mqbSRHYt5Qm2KwEyli6Tb0+KF7uze0+Fcce/e47/hSW9pLpidX16aCyBuAEAVcEWhl1ueFZjiznLkIjXu7PG0FLeep0+Ty8rrpKfGPbfUWzo6O7/cE4NPHl1ant+vtsNy8DGKe7a95dAB+XjqZHvrydVte53z7zi0ms2vNDI1/4mHrXoJP9i7sMWeGITb5/RXzbWn5o5lT4nHQXBg28n2dtGf7CXZDIxjW+f5bAXZPudbdwA2G4OJO6Q9KylQHilS4xaPAzPBL7lUMmsOOrk8P7/UW5oLAuX85Oz88lhr3FzcB7ad/GRqvr09OLDt5OrWOWZDZrFjW31SpkynHgwsNNWazhWqlS3MtqfmjllHC03c/ACwd2GLFLd1INk6q6zFyYUdvBHz0AJxA6AyXLrNWsjPuPUKta81/XEmbn3OUsTNaTRmer3e0tEwCPZnw72z2shRqe9eb3l+9ujSeMStmCtLtA9sExk3aTE643bpeP6TqflPlPmPbdX+ZJugPZXlxZq4jQSc6VWbOHeMFrfRmvJY6T9hf4gbABeFrF3oahCqxm2Ju0iNW5TUc2fzdti7yo3dM/Nmxr10NJhb4g/EzEeXestjEncYBEbGLQx+qJ1l08XKIJrQlYw7m753YYtoUFGnUd/I8mKyNc7ehS3z3ozb/JbQ3s7ELfsgl06m5K5vEgBsYorm2tpLqKS42MnJwDWdvqpEfbbPGrfz2ekw5KUSIuPusSLJ3NLy/PxSrzfuk5OZuB0Zd+bNLGmVYpXeLJZxc8TMthytUklAiFu8nHfGnXFnObWSfR/YdpIdbHwZN1JvAIbCKECHqkCJc4DKq4jW3Onz0OIO3M+G0yFd4xZl7uX5WXE9SRCEQbB/rOIWibavfu09B8hnILJsu7Syd2GL4lzL3WrGvUDU1ueOBcGBbXPtrSfb2/cubHGUSuyjyJZDC1vn21tFmUWI2/jeQBy9AKgoocLEO6PgyLJDxaGOGrft8UA7AFAMXeP21WTCIFAzbpOjvFwSBrxyMqaTk9xc1nk/h7PUlNa6LCQ34+YzsBODXN92yYXIuHccWhWnE/mfW2ezZDlLjc2M+9hWeVSYbTNxbzdX38i45RQ1VQegklRV3BuMqt6rxKhxE1d60J41s/LZttRrlgUTJzNZTq0dG5RL/WxxH9h2sr3tUFvOv/3Qwg7SsFzcspadU5SnxH1sa3bBCcQNqg3EPRYqLu5QKf6GWrpqzU+WSvhT86vbZrMzhwbb53iRRJ6oZJeIKJk7E7comMwdE92TSg1FV0U7croUN5+iXFKi5O/b5zRxb8u+KKxuO9Q2LziRJzPtB5Pen8BmB+IeC9UXdxhkP4Exzbvj0OqUyIWn5o7xHNwyeFYwccmdITJi4zc42dJZr5QsXnssxKpYWIg7K5iY4haNy9OPWpkoW0H1tRA3qCwQ91gYrbgNaxcUt7w+JLs4eu5YoP6C8eTCNik4cV1g5ko2Ze6YnF/7EaZRdVHLF1r6TDHb3jLXNjL3HYdWxfHgwDZ2clJrh+fp5A87PT8IEg1q1z7mzQ/ApIG4x0IVxQ0AqCsQ91iAuAEA5QFxj4VGY2bfvvsLAnEDALxA3GMBGTcAoDwg7rEAcQMAygPiHgsQNwCgPCDusQBxAwDKA+IeCxA3AKA8IO6xAHEDAMoD4h4LEDcAoDwg7rEAcQMAygPiHgsTE/fOnbsAABuNexQm3pmNyITFDQDYgCDjHgsQNwCgPCDusQBxAwDKA+IeCxA3AKA8IO6xAHEDAMoD4h4LEDcAoBzCcFoVdxhO5zLxPtcUiBsAUA4Q99iAuAEA5YFSyViAuAEA5QFxj4WKiruZpI7oxpGcLYo77M8o7qRpJ46CMIjiTpo0lXY6cRQEYRC0ErKdKO64FmUuDgCQB8Q9FiosbiZihSjuaiaNWkknTdOkKcXNLNxJmrqUk2aYud1oR06P4g6bs5nwZ+WDSb9JANQGiHssVFjcjhS400mTJpOvL5REO4mjKGgm3OCUuJFxA1AOEPdYqLK4s4qHAkuMW1HcdczA5xHiDoNA2lnML2WdtPQXtpLUlenrDQIASCDusVBRcQfulJtlwUzcCTlXEsedtBO3uJ47cRSEUdxl6baBbzni1RA3AEWBuMdCVcVdDKsUzvNxawayIMITcDp5V2riAICiQNxjocriVq4VCehThXS+TIhbtzPTuJjNUy6HuAHoD4h7LFRR3LnlC6s2rSveaIpPbyX8hUzb2TEAGTcApQFxj4UqipvTFGcKsz+Ni7h9amciZuKOE/bC7FJu1ci5GTdq3AAUBeIeC1UVN8+6lUSYFDdPvbWMW82gRTMtw/OWuH0ZN8QNQFEg7rFQTXHzIrQm00LiFjk1lzi/LpDn1FktRf4yJ/Zfxa2/CgCQB8Q9FqopbgBAPYG4xwLEDQAoD4h7LEDcAIDygLjHAsQNACgPiHssQNwAgPKAuMcCxA0AKA+IeyxA3ACA8oC4xwLEDQAoD4h7LIxQ3La1IW4ANjgQ91iAuAEA5QFxjwWIGwBQHhD3WKiBuP+///E/ijDxTQkAgLjHQz3EfT0vaHFbN/ZWbxIrH0dxlz+O4g67a1UzoQe0zF7VSqwZ3LeHVefM7p8ll2uOXq/cTquZyOmtRM5j37C8E0fNRNxt3DUUp+wAPQIyPbqbXGXevvqsvMX55PdjUBUg7rFQG3H/XXLa4HuL7cXTPzzzjy84xW2gyFp9nMlRnUEVJdECLW7q1q+KSfNGiJDejOIuuythU7mTeCduRVl/RAekTw1xq8vS3Nq/uJOkIw4MUdztxHEi+zvp3RdUDoh7LNRJ3K+8vix5o/vT5Z++tXrxFy+8+M/DibuVKDfyJgcUzmRHiDuKO1y4+Rm3dmAwIZeuZNwG+eJWMmVqUGX1LriebjcTJu1Op5t2up2kpW4xAEwg7rFQP3GfPbfSWb7w09WfX/zFL3/1zrv/8vKP3eI2R8khxO0fSCeVYw2T4m4lwlFBagAAEw9JREFUSptFMm4mQUqSLSbuAqPOt8geJ4lH3K6MW1OwfuSg2pGDwEHcwAXEPRbqJO6z586/8ebP3jy/unrxF7/81Tu/fu+9Dz744NWzZ93i1gsajlJJNrPTR5m4FU2mxuDFDnHzxUl7NpPUzKxlbV3reZpZ3q4jR3GH9bZgqSRb3/7FnSTqkSJp6nk6JA5UIO6xUBtxf/8H/2v5p29deOsXb//ynQ8++OCjjz66cuXKlStX3lxecYpb2s3GEjdZ6BAi85RK9MW5M2XpRO/I9LIJ3jiXqVWw5ulvQCbUdMYtqi6DZdzqeEP8Ve7KEtjEQNxjoTbifv7Mjy7+4pfv/vrXly5dunbtWk/EWxd/XvyqksxxprijuJPEcRJrZ/+k4IqJOwgDsyrtnC3wZ+h0a8p6KSuS+VRNge1SCc/rdXG7jzRKjbsVd9JOpys2IMQN3EDcY6E24v5fP/qnd9799YcffnjlypVer3f9+vUbN25cv379l7/61ZBXlQSZQ7MMNEtpgzBH3FHcSVq5tWlxlYh/htyKOzFmcZ+X8Q1UKklagbyqhP0JcQMSiHss1Ebc//TSvzBrr62tXb9+/aaI9957r6C4tQxXFTe7MCR7bPvRK27zIkI1xTYzbrXArfWHrOo0k7TT7VA5e94BoNTLAfUDgHr5OcQNTCDusVAbcf/klVfffHN5dfWtt3/5y/fef//S5cuXP/ro8uWPPvzwUkFxa2cFNQUbpYNup5NaI8p34yirg3fiOFHK0Mp5P8P4BcRNHiqYduVVHGnquWh6iIy7UDv6QSGWmwviBgQQ91iojbgH+eVkoJ8wVFNa4bVmkiZN85RgEITZeUKlDKK6VRFaN474giyR9VvjVi1uN8We0i/y8CTd1uI8zwbFRKz2GeIGBBD3WKiHuHGvEgDqAcQ9FmogbgBAbYC4xwLEDQAoD4h7LEDcAABQMyBuAACoGRA3AADUDIgbAABqBsQNAAA1A+IGAICaAXEDAEDNmJi4d+7cBQAAoC8mLG4AAACDAXEDAEDNgLgBAKBmQNwAAFAzIG4AAKgZEDcAANQMiBsAAGoGxA0AADUD4gYAgJpRUXE3Ez6mbTbELTUSbjPhI/zKBxPfoAAAMGpqIe7MyHJ6EIR84POkxQdHT1oT35oAADAGqijuZiKT627HzLfTNE2TZhiIZDxphkH2AjoxBwCAjUQVxR1kmXUrSbtxFMWdNGmqj0OebqfdOOIzx1a1hJm9E0cT38oAAFAidRW3qH1342bcSdOkSZS5IW4AwIakwuKWaTQvj7SUx7Kc0o3jhFW39XpJN44mv3EBAGAUjErcpLWLiTuKO5Z8I55Wy9miOG42E3UeXFgCANgkVFDcYSBLJeRZx1RcQAJxAwA2JdUWdxAG+qXcWsGaELd2UQlq3ACADUnVxc3zaF4qieKOIuK8jBviBgBsSKoobp47J60s71Zq3M0EpRIAwKamiuIGAADgodGY2bfv/oJA3AAAMHkajZniA8ND3AAAMHkgbgAAqBkQNwAA1AyIGwCwSZh2P6gZEDcAoPpMC4ZshHwwbTGJdQzVx9Ohgj1zozETnTz91BGfr488de75k/shbgDABMn1afEZXHNOMAEXmpZTpMdDeXTJ5i8i7p07/+qpc6dPRhA3AGBibGRxc19rSbf9gHcvDKd3795zTglm8CNPnSMD4gYATIpp/bFR1rCrHOQU1wPPn/42Cy46Z9XUwkjIpsjpypzysZpx26l3dPI0K5Kgxt0Ps+0thw5MvhsAbChIBYcOCxf0da64SflOu1vwdMNLGAZBGPJ/NVmT5IpbnTIhcdMePLZ1/pMpJ+3txgv3Lmw5ubBDvHz73CdbZ2VTB7adXN22Nwxm23ZT2Wyz7am5Y9ljpbVsoqM/yrIAAIPRl5fJk42DZdzGFLVN/wz9JN1mxh0qeTdBozFz5KlzLnEbNZNxidttQIbt8e1zq9v2Ek1pghbm3XFoVWthts3nEaLfcWiVTVFfvn1udevcKt0lJnHV7K4+AAAGZICE2tXCYOK2F+pPt/tBzbiDkCqeyDmn7Rr3uXPnzj3/SMTFvf/k86dPRhPNuLfPrW471N5yaGGr6cQD207mZdxBGATHtp5c2OE4Emw5dCAIjrGWt899snXOLW49YadBxg3ACJlIqcT1uPRSia5pfkLSUHb2uNGYeV6ckzQ58p1z575zZFLXcW+fE8pjiTDTIpHSHth2sg8zGrk5Wwpv2ZlxH9h2klmePFqIgwQybgBGhavoEeoTR3Fy0m6wyIL6OjlpZtyhfh13GJrzN3bveerIriNPaZm1SLfPqWcmxyfuTKYu5o7lz3OyvfWkTKtJ4QqDy2zaUePecWiVrM+YIOMGAAwEeemIlnEr7g7DafHLyf0nnz937qm/Uq2t1EwmkHEf20qUJg5sOylrIGLKITPJlflyEBAnNq1q+LGtSspMZtzb59rb+VPIuAEAo8OoaFsnJ0X2rf3k/ch32KXcR56yJD7267hdF41o4ma5sP9SEL+4lRZYMd1R4y5yhR8ybgDAWKjsvUoKZNx7F7aeXLWTXDvjdvndvKTPc1WJeIoq0RhfAgAAYLRUWNz+jJsVph1JriFuNcsmLhzcu7ClcMbtrrSwB+x4wyoqVg1978IWNtF+MOn9AABQIyor7hy2z/Gf2ORm3MZ5ReKqEpl3e36Ak5dxC8WbXxT4NePM3RA3AKAMqijuIleV8JnzMm5N4rxxtyiJgnjxjJthn71EIQUAUDJVFDcAAAAPGOUdAABqBsQNAAA1A+IGAICaAXEDAEDNgLgBAKBmQNwAAFAzIG4AAKgZuI4bAABqBsQNAAA1A+IGAICaAXEDAEDNgLgBAKBmjETcLmtD3BlFhtQBAHCmrfFzM+Rs1qC6/QzXWysqK+4D205mN1C1784auMctmyLus9reLm+NzV8oGlcFKkc8CMLAHCtS9Mdzz+5Avz/4bNscYScoOrzZjkPEyD4EhP0L9dNaNe1GuNqi+SgTRgv2+ETkiEUAlIU1+qLylHysiHvaeGqDUQdxWw5i+pAitl6ojN7rva+3OcxNkJnXbHy2bdyYmxglJwi3z61unfMOk1ZkQGHdleS9yHn3NHHLwXeUO4abi+N6FYMgF7jv+d6FLaIF5fDpFjfZ+SIHIQB8FMy4hd+5wSHu8YmbqYcLyEwAlTQ2P+P2liNMDTksv+XQgSA4tnXuWMB8N+cWt56w0+Rn3Me2nlyl28lWxx7XTR01TYpbHMMy+WriDvRxIejR6NlrxdCdWSezA1J7qzJ2xJa5dv5GAKBvzIzbTsDDLOOm/D75VSgTVdz33/+f/I/HlnEf2zq/uuUkHwRSulsbZqxYxr3l0AE6r5w7RpZfGMTwZjJzdGbcB7adZJa3B8HRjiX+jHv73Oq2va7xNj8xFu3PuNUVFI9tcZsHD22stcAtbsPO6vwQNygfbl4q4+YzBELcVsFkA1LBjJthZI5mFThwijsMAs2PRCKZZaC8ZbdwrQF/HbVjlv7nn28sVON21Iu5psl+frLl0IIubk9W7su4BxO3+PbT3k6USjCoJhgeIW4xJXvANB1m4lZfNelujwom7txcmz0eo7jZKLqzYvx147t/No+zPqueiHNVijnEUJPugSUdGff2ufZ2n1iLZtxicb6M29Fzqsat9HPH3mM79uZn3Nm2pcVt9E0cJFh5Z7bNSiXb5hxvGQADwhXszrjZs3xmTx18Y1DNjPvAtrn21pOr2w458lPt2g/VU8bQvRrODD1P3EoxnVdvArLGXeQKv2JXlbBikTtRJYck1sVNZ76ejFtsOvlCdoDZu7BFlJWEuLMtzF7Op6ulErkpHAcqAPrENC9Zs95sGXe1atw7Dq1unZWZI3W2rchI8MJQ/hmCIJTpZO5BQs4ceMVNLbSvrDM34xbbIcvxyZOTYWBeSWmKW7J9ztfD7XNKcm2Je/uhhR2yeMJNzQ48ZmcAGBBRD6EvLBGzbU5xVyTjPrBtzr46Qkrc8IuRYpsZt2ooLeNWz6Hxc5hqtdfSzV5RtCmQcbsrLeyBNOwnrho6P5Go5Krb59TyDiluY1tla22fg1VPqLoPfrLNY1tPLuzYu7CFdd4SdzaPupH3LmyxTksAMBj6RX7ZlDAI1QtOIO5KnZxUJ5o/rtGrEwXELUoB2Qtn20b5mLiqRLG8s8qRl3GLzhBn9uT5wG2HlKeUZekGVMQ9196ifS0gxG2fJLQybrvEJKcoP8+ZbU/Ntakad6jLXVj7ENwNSkH4l180kvPLScfl3hNfizKpi7hF9UAaik7oBqlx2zkpkXFLiIJ48Yxbrpq7kKLWpo2MO+e0qmhWZL5UqUcuWn4D0Dqg1ovkQchzaDQy7m1zn/Czl9qBBD/AAaBkKituAAAANBA3AADUDIgbAABqBsS9Sdl4P0kAYPNQP3GP9ndQ4bTJqN+DyQkU7gagppQg7v/65PkxZ9yjNY7aeIkLcjUFcQMA+qTRmCnO5hP3qJtlE+FuAEA/9Cfu//rkeQlTtjHFL+6LFy/u3r2HuPe5MkU+tksizlunU1PIFgohX6I+kGUTo4RC/qk+CKzyi70sI8e3WzAa8U+kcN1qB+IGoI4MmHGrmi6YcV+8eFFm3KqmZVdsdxeZ054YDFkHdynSfuya6J/BWJb9lMvvnga9K+vaSvafAIBaMNZSCcu41cWTP10t7mjPCEaDb5TiliRT6b7c6knDc7sUUIqn8NzfEuIGoI5MoMada9i+xE2uVTniJqcXTKL9j/udM/A6ukCdZICnAACVpaKlkmEmBpSP+iie+H06WP0kGE7cfR0hLIpvJQBALRjw5KSddOeenLx48aI8Oan2gDw56ap3k3UV1+nKQareRvWjSBEjpM5Dqn8aM9tzko/tFxaZ6AB1EgA2EiWUSuyo5i8na+ypwsn1ptgaAGx6KivuvMFT3GOAqTewZvcp/dy3b3/u27fdQ9Kwm522tyu3ft1xaNVxA2vjpqzqCAYFRtsZmMLJNQBgw1N9cVPjeGk3qtZv202OUUA0rozeW+AAoI/CY43TqLUpHygD3wwvbgAAEFRR3NoIMqry2Ijj5sw54s4Zl8s7wi8x7tdsW+mSIe5RZtwAACCooriDIKRLJQOJOzfj3nLoAD2msBjdnD87dyyYbVM1FsLL5EiPAABQCjUVt3+UW20EL2dCzccjDwNq1HPzIEEdM1TcqT015BgAAAxBlcVtDnE7QMatDeHorF+Tw/vqquWLJg4YyoGBrmUTRwUAABiCKopbaLRIqcQaU5hWpzHucN8DCmeL1vqgjIDOW845QgAAwPBUUdxBEBaucRsW1sRN59FWOcU3mzqo/NyxYLa9dTaTOzECOjJuAMDoqbe4dxxa1WvHpDotuesZtypWLePeu7BFFbdSPGEVbSs3R8YNABgHNRb3jkOr1uUctrgPbDtp5cW54haV8eyF8qpBft336rZDbeuUIzJuAMA4qKK4xRUaxCXS0qSUtUNTnXsXthDZ7kA17qwb+muZx+cWCl7lMvH3GwCwAaiiuAEAAHiAuAEAoGZA3AAAUDMgbgAAqBnli9tjbYgbAACGpy+RQtwAADB5Go2ZnTt3FQTiBgDUkekymPhaZEDcAIANz/Dahbgnvc4AgE0GxA1xAwBqBsQNcQMAJkEYTquQUxxMuxrJeyHRQhUYt7jhbgDAYBi+7ue1prhdfxZpYeL0Ze0yxQ13AwD6xRBu4M7BrdduHHEzf05A3Kq+AQCgILt379m9e4/6oDB79EbUNme0pnbvadAt97W4EdKXsssXNwKB2GDxH/7DlyX/zR3qbPv23W+LZt+++4MgtKe/oIdnivHCxsJn/EGj8cILLzz88MMNEQ8//PALL7zQaDTYs4fPfnb47GfyT7uFnTt3/c7v/I7Hkg899NBDDz30uIhvfvObbMo3v/nNxx9//KGHHhrAvEMCcSMQCGeMWtwDY4j7i1/84iOPPPLCCy888sgjX/ziF5m4WUhxsxhe3MzdzNoQNwKBqFyMX9yDZdx2jFTcMh577DGIG4FAVCtqkXG74vDCWVXc7M9+xc2s/dhjj5HiPnr0KMSNQCCqFdXPuD3uPnz2s8MLZ5m42YN+xe2x9mOPPTYpa0PcCATCF+M/OVkQQ9xknSSztnB3X+K2rS1PS8qYiLUhbgQC4YvxiFuad2Bxs2DnJ5MkUaslqrUHELfL2pNSNsSNQCByYgzilpJ1XQ5YUNzS2l/84hflxX/c3Za1+xW3tPZkfQ1xIxCI/KhLxm1YWzpaLXl7WvCIuzpZNsSNQCAKRfV/gLPTUeNWn7WtXUTchrsnLmtN3D9+pfXGi1/z/3vkyJF/h0AgNl9U/3LAnY6rSvpqwX8ddwWZ+vErrVy+2fzKpPcfBAIxgaiFuIdvoX7ifvknzVz+LwQCsckC4q4yU1NT+e7+xv/9nye9FyEQiLFG9cU9PBtc3JPehRAIxLjDFndBxiPuTc7Uyz9p5robGTcCsdkC4q4yTnGrEye9CyEQiHFH6eKeuOw2Ev8HzlrYRwwHaWYAAAAASUVORK5CYII=" alt="" />

这是怎么回事呢?这是因为在form1所在的线程上已经运行着一个form了,运行着标准应用程序消息循环,所以就不能在这个线程上再开启一个新循环,显示一个新form了。

既然这个线程不能再来个form了,那我们就换个线程试试!最终的button1的点击事件代码如下

  private void button1_Click(object sender, EventArgs e)
{
this.Close(); new System.Threading.Thread(() =>
{
Application.Run(new Form2()); }).Start();
}

在这里,我新建了一个线程,并在这个线程里run了form2,开启新的应用程序循环,结果正如我们所料,成功运行,form2show出,form1关闭。

总结一下:

一个线程只能跑一个form,

Application.Run()可以当前线程上开始运行标准应用程序消息循环。

要想再开启一个不受原来窗体影响的窗体,

需要开启新的线程。

在新的线程里,

Application.Run()

这在登录窗体和欢迎窗体中会很有用

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