c#winform练习

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1、实用文案//1.添加两个按钮一个文本框如下图：当用户点击爱时弹出“我也爱你哟”，点击不爱时弹出“还是被你给点到了”并退出程序usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;namespaceLove_and_notLove{pu

2、blicpartialclassForm1:Form{publicForm1(){InitializeComponent();}privatevoidLovebtn_Click(objectsender,EventArgse){MessageBox.Show("我也爱你哟！");this.Close();}//触发点击事件privatevoidNotLovebtn_Click(objectsender,EventArgse){MessageBox.Show("还是被你给点到了");//关闭主程序this.Clo

3、se();}//针对鼠标移动至按钮所属区域时触发事件privatevoidNotLovebtn_MouseEnter(objectsender,EventArgse){//声明一个变量用于存放按钮的Ｘ轴坐标intx=this.ClientSize.Width-NotLovebtn.Width;//声明一个变量用于存放按钮的Ｙ轴坐标inty=this.ClientSize.Height-NotLovebtn.Height;标准文档实用文案//声明一个随机数实例Randomr=newRandom();//声明按钮的

4、移动范围NotLovebtn.Location=newPoint(r.Next(0,x+1),r.Next(0,y+1));}}}//2.在窗口中放置两个控件如下图：usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;namespa

5、ceLable控件和TextBox控件{publicpartialclassForm1:Form{publicForm1(){InitializeComponent();}privatevoidtxtBox_TextChanged(objectsender,EventArgse){lblTxt.Text=txtBox.Text;//使lable控件的值等于textbox的值}}}//3.做一个跑马灯的练习控件如下图：在窗体中放入label和Timer两个控件并分别设置两个控件的属性Label控件：Text：☆★

6、Timer控件：Enable:trueTick:事件标准文档实用文案usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;namespace跑马灯{publicpartialclassForm1:Form{publicForm1(){

7、InitializeComponent();}privatevoidtimer1_Tick(objectsender,EventArgse){label1.Text=label1.Text.Substring(1)+label1.Text.Substring(0,1);}}}//4.小闹钟在窗体中放一个label和timer两个控件并修改其属性Timer控件：Interval:1000Enable:TrueLabel控件：Name:labtimeusingSystem;usingSystem.Collectio

8、ns.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;标准文档实用文案usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Media;namespace小闹钟{publicpartialclassFo