文档介绍：usingSystem;;ponentModel;;;;;namespace九宫格{publicpartialclassForm1:Form{publicForm1(){ponent();}privatevoidpanel1_Paint(objectsender,PaintEventArgse){}privatevoidbutton1_Click(objectsender,EventArgse){string[]array={"1","2","3","4","5","6","7","8","9"};Randomrd=newRandom();for(inti=0;i<9;i++){intdata=(0,9);stringtem=array[i];array[i]=array[data];array[data]=tem;}Label[]lb=newLabel[]{label1,label2,label3,label4,label5,label6,label7,label8,label9};lb[0].Text=array[0];lb[1].Text=array[1];lb[2].Text=array[2];lb[3].Text=array[3];lb[4].Text=array[4];lb[5].Text=array[5];lb[6].Text=array[6];lb[7].Text=array[7];lb[8].Text=array[8];for(inti=0;i<9;i++){lb[i].BackColor=;}intm=(0,9);lb[m].BackColor=;}privatevoidlabel1_Click(objectsender,EventArgse){if(==){stringt=;=;=t;=;=;}if(==){stringt=;=;=t;=;=;}if(=="1"&&=="2"&&=="3"&&=="4"&&=="5"&&=="6"&&=="7"&&=="8"&&=="9"){Messa