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c# 多线程 调用带参数函数
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??線程操作主要用到Thread類,他是定義在System.Threading.dll下。使用時(shí)需要添加這一個(gè)引用。該類提供給我們四個(gè)重載的構(gòu)造函數(shù)(以下引自msdn)。?????Thread?(ParameterizedThreadStart)?初始化?Thread?類的新實(shí)例,指定允許對(duì)象在線程啟動(dòng)時(shí)傳遞給線程的委托。????Thread?(ThreadStart)?初始化?Thread?類的新實(shí)例。???由?.NET?Compact?Framework?支持。??????Thread?(ParameterizedThreadStart,?Int32)?初始化?Thread?類的新實(shí)例,指定允許對(duì)象在線程啟動(dòng)時(shí)傳遞給線程的委托,并指定線程的最大堆棧大小。????Thread?(ThreadStart,?Int32)?初始化?Thread?類的新實(shí)例,指定線程的最大堆棧大小。???由?.NET?Compact?Framework?支持。???????????我們?nèi)绻x不帶參數(shù)的線程,可以用ThreadStart,帶一個(gè)參數(shù)的用ParameterizedThreadStart。帶多個(gè)參數(shù)的用另外的方法,下面逐一講述。????一、不帶參數(shù)的????using?System;??using?System.Collections.Generic;??using?System.Text;??using?System.Threading;????namespace?AAAAAA??{????class?AAA????{????public?static?void?Main()????{????Thread?t?=?new?Thread(new?ThreadStart(A));????t.Start();??????Console.Read();????}??????private?static?void?A()????{????Console.WriteLine("Method?A!");????}????}??}?????????結(jié)果顯示Method?A!????二、帶一個(gè)參數(shù)的??????由于ParameterizedThreadStart要求參數(shù)類型必須為object,所以定義的方法B形參類型必須為object。????using?System;??using?System.Collections.Generic;??using?System.Text;??using?System.Threading;????namespace?AAAAAA??{????class?AAA????{????public?static?void?Main()????{??????Thread?t?=?new?Thread(new?ParameterizedThreadStart(B));????t.Start("B");??????Console.Read();????}??????private?static?void?B(object?obj)????{????Console.WriteLine("Method?{0}!",obj.ToString?());??????}????}??}????????結(jié)果顯示Method?B!?????三、帶多個(gè)參數(shù)的??????由于Thread默認(rèn)只提供了這兩種構(gòu)造函數(shù),如果需要傳遞多個(gè)參數(shù),我們可以自己將參數(shù)作為類的屬性。定義類的對(duì)象時(shí)候?qū)嵗@個(gè)屬性,然后進(jìn)行操作。????using?System;??using?System.Collections.Generic;??using?System.Text;??using?System.Threading;????namespace?AAAAAA??{????class?AAA????{????public?static?void?Main()????{????My?m?=?new?My();????m.x?=?2;????m.y?=?3;??????Thread?t?=?new?Thread(new?ThreadStart(m.C));????t.Start();??????Console.Read();????}????}??????class?My????{????public?int?x,?y;??????public?void?C()????{????Console.WriteLine("x={0},y={1}",?this.x,?this.y);????}????}??}?????????結(jié)果顯示x=2,y=3?????四、利用結(jié)構(gòu)體給參數(shù)傳值。????定義公用的public?struct,里面可以定義自己需要的參數(shù),然后在需要添加線程的時(shí)候,可以定義結(jié)構(gòu)體的實(shí)例。????????struct?RowCol????{????public?int?row;????public?int?col;????};???????public?void?Output(Object?rc)????{????RowCol?rowCol?=?(RowCol)rc;????for?(int?i?=?0;?i?<?rowCol.row;?i++)????{????for?(int?j?=?0;?j?<?rowCol.col;?j++)????Console.Write("{0}?",?_char);????Console.Write("\n");????}????}???
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