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{"compress":true,"commitItems":[["9f3faa75-9cdd-4ae2-8d10-5b73f43af625",1558803028055,"# 委托系列学习之委托基础\n------\n## 委托概念\n\n> 委托是用户自定义的类,它定义了方法的类型。储存的是一系列具有相同参数和返回类型方法的地址列表,调用委托时,此委托列表的所有方法都将被执行。\n\n> 委托是一个类它定义了方法的类型使得可以将方法当作另一个方法的参数来进行传递这种将方法动态地赋给参数的做法可以避免在程序中大量使用If-Else(Switch)语句,同时使得程序具有更好的可扩展性。\n\n> 委托也是一种类型,所以它和类是同级的,可以通过委托来掉用方法,不要误以为委托和方法同级的,方法只是类的成员,还有定义委托和与之对应的方法必须具有相同的方法签名,即参数个数,类型相同,返回值类型相同\n\n> 委托是C#中函数回调机制就是c语言中的函数指针在面向对象中的封装\n> 简而言之就是函数指针。它定义了方法的类型,使得可以将方法当作另一个方法的参数来进行传递。\n> 委托和类相似,都是用户自定义的一种类型,只不过类表示的数据的集合,而委托表示的是一个或多个方法.\n\n\n",[[1558802977298,["Administrator@Ruyu-PC",[[-1,104," "]],[105,105],[104,104]]],[1558802978273,["Administrator@Ruyu-PC",[[1,104," "]],[104,104],[105,105]]],[1558802982218,["Administrator@Ruyu-PC",[[-1,210," "]],[211,211],[210,210]]],[1558802982582,["Administrator@Ruyu-PC",[[1,210," "]],[210,210],[211,211]]],[1558802987105,["Administrator@Ruyu-PC",[[-1,311,"> "]],[313,313],[311,311]]],[1558802987553,["Administrator@Ruyu-PC",[[-1,310,"\n"]],[311,311],[310,310]]],[1558802988913,["Administrator@Ruyu-PC",[[-1,309,"\n"]],[310,310],[309,309]]],[1558802990730,["Administrator@Ruyu-PC",[[1,309,"\n"]],[309,309],[310,310]]],[1558802991984,["Administrator@Ruyu-PC",[[1,310,"》"]],[310,310],[311,311]]],[1558802992810,["Administrator@Ruyu-PC",[[-1,310,"》"]],[311,311],[310,310]]],[1558802995862,["Administrator@Ruyu-PC",[[1,310,"> "]],[310,310],[312,312]]],[1558803061130,["Administrator@Ruyu-PC",[[1,447,"\n"]],[444,444],[445,445]]],[1558803061595,["Administrator@Ruyu-PC",[[1,448,"\n"]],[445,445],[446,446]]],[1558803062620,["Administrator@Ruyu-PC",[[1,446,"> 我觉得\n\n> 你看我时很远\n\n> 你看云时很近"]],[446,446],[471,471]]],[1558803070403,["Administrator@Ruyu-PC",[[-1,446,"> "]],[448,448],[446,446]]],[1558803072733,["Administrator@Ruyu-PC",[[1,446,"`"]],[446,446],[447,447]]],[1558803074567,["Administrator@Ruyu-PC",[[1,450,"`"]],[450,450],[451,451]]],[1558803083809,["Administrator@Ruyu-PC",[[-1,30,"> "]],[32,32],[30,30]]],[1558803085069,["Administrator@Ruyu-PC",[[1,30,"`"]],[30,30],[31,31]]],[1558803086847,["Administrator@Ruyu-PC",[[1,100,"`"]],[100,100],[101,101]]],[1558803089124,["Administrator@Ruyu-PC",[[1,103,"`"],[1,105,"`"]],[103,105],[103,107]]],[1558803092340,["Administrator@Ruyu-PC",[[-1,106,"`"]],[107,107],[106,106]]],[1558803094044,["Administrator@Ruyu-PC",[[1,208,"`"]],[208,208],[209,209]]],[1558803097044,["Administrator@Ruyu-PC",[[1,211,"`"],[1,213,"`"]],[211,213],[211,215]]],[1558803099094,["Administrator@Ruyu-PC",[[1,313,"`"]],[313,313],[314,314]]],[1558803101779,["Administrator@Ruyu-PC",[[-1,214,"`"]],[215,215],[214,214]]],[1558803109779,["Administrator@Ruyu-PC",[[-1,314,"> "],[1,316,"\n"]],[314,316],[315,315]]],[1558803110997,["Administrator@Ruyu-PC",[[1,315,"`"]],[315,315],[316,316]]],[1558803113374,["Administrator@Ruyu-PC",[[1,397,"`"]],[397,397],[398,398]]],[1558803116755,["Administrator@Ruyu-PC",[[-1,315,"`"]],[316,316],[315,315]]],[1558803117323,["Administrator@Ruyu-PC",[[-1,314,"\n"]],[315,315],[314,314]]],[1558803120310,["Administrator@Ruyu-PC",[[1,314,"`"]],[314,314],[315,315]]],[1558803125069,["Administrator@Ruyu-PC",[[1,349,"`"]],[349,349],[350,350]]],[1558803129197,["Administrator@Ruyu-PC",[[1,314,"\n"]],[313,313],[314,314]]],[1558803137726,["Administrator@Ruyu-PC",[[-1,352,"> "]],[354,3