usingSystem;
usingSystem.Collections.Generic;
usingSystem.Drawing;
usingSystem.Windows.Forms;namespacewindshadow14
{
publicpartialclassMainForm
{
inti=0;
inta;
intb;
inti1;
longc;
publicstaticvoidMain(string[]args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(newMainForm());
}
publicMainForm()
{
InitializeComponent();
}
voidButton10Click(objectsender,System.EventArgse)
{
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"0";
}
}
voidButton1Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"1";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"1";
}
}
voidButton2Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"2";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"2";
}
}
voidButton3Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"3";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"3";
}
}
voidButton4Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"4";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"4";
}
}
voidButton5Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"5";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"5";
}
}
voidButton6Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"6";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"6";
}
}
voidButton7Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"7";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"7";
}
}
voidButton8Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"8";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"8";
}
}
voidButton9Click(objectsender,System.EventArgse)
{
textBox1.Text=textBox1.Text+"9";
if(textBox1.Text=="")
{
textBox1.Text=textBox1.Text+"9";
}
}
voidTextBox1TextChanged(objectsender,System.EventArgse)
{
if(i==1||i==2||i==3||i==4)
{
textBox1.Text="";
}
i=0;
}
voidButton12Click(objectsender,System.EventArgse)
{
i=1;
a=int.Parse(textBox1.Text);
i1=1;
}
voidButton16Click(objectsender,System.EventArgse)
{
b=int.Parse(textBox1.Text);
textBox1.Text="";
switch(i1)
{
case1:
c=a+b;
break;
case2:
c=a-b;
break;
case3:
c=a*b;
break;
case4:
c=a/b;
break;
}
textBox1.Text=c.ToString();
i=0;
a=0;
b=0;
i1=0;
}
voidButton13Click(objectsender,System.EventArgse)
{
i1=2;
i=1;
a=int.Parse(textBox1.Text);
}
voidMainFormLoad(objectsender,System.EventArgse)
{
}
voidButton14Click(objectsender,System.EventArgse)
{
i1=3;
i=3;
a=int.Parse(textBox1.Text);
}
voidButton15Click(objectsender,System.EventArgse)
{
i1=4;
i=4;
a=int.Parse(textBox1.Text);
}
}
}
还可以这样编usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Text;
usingSystem.Windows.Forms;namespacewindshadow
{
publicpartialclassForm1:Form
{
inta;
intb;
intc;
intb1;
publicForm1()
{
InitializeComponent();
}privatevoidbutton1_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"1";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"1";
b=0;}}privatevoidbutton2_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"2";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"2";
b=0;}
}privatevoidbutton3_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"3";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"3";
b=0;}
}privatevoidbutton4_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"4";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"4";
b=0;}
}privatevoidbutton5_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"5";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"5";
b=0;}
}privatevoidbutton6_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"6";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"6";
b=0;}
}privatevoidbutton7_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"7";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"7";
b=0;}
}privatevoidbutton8_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"8";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"8";
b=0;}
}privatevoidbutton9_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"9";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"9";
b=0;}
}privatevoidbutton11_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+"0";
if(b==1)
{
textBox1.Text="";textBox1.Text=textBox1.Text+"0";
b=0;}
}privatevoidbutton10_Click(objectsender,EventArgse)
{
textBox1.Text=textBox1.Text+".";
}privatevoidbutton13_Click(objectsender,EventArgse)
{
a=int.Parse(textBox1.Text);
b=1;
b1=1;
}privatevoidbutton17_Click(objectsender,EventArgse)
{
longd;
switch(b1)
{
case1:c=int.Parse(textBox1.Text);
d=a+c;
textBox1.Text="";
textBox1.Text=d.ToString();
break;
case2:
c=int.Parse(textBox1.Text);
d=a-c;
textBox1.Text="";
textBox1.Text=d.ToString();
break;
case3:
c=int.Parse(textBox1.Text);
d=a*c;
textBox1.Text="";
textBox1.Text=d.ToString();
break;
case4:
c=int.Parse(textBox1.Text);
d=a/c;
textBox1.Text="";
textBox1.Text=d.ToString();
break;
}
}privatevoidbutton14_Click(objectsender,EventArgse)
{
a=int.Parse(textBox1.Text);b=1;
b1=2;
}privatevoidbutton15_Click(objectsender,EventArgse)
{
a=int.Parse(textBox1.Text);b=1;
b1=3;
}privatevoidbutton16_Click(objectsender,EventArgse)
{
a=int.Parse(textBox1.Text);b=1;
b1=4;
}privatevoidbutton12_Click(objectsender,EventArgse)
{
textBox1.Text="";
b=0;
b1=0;
a=0;
c=0;
}privatevoidtextBox1_TextChanged(objectsender,EventArgse)
{
}
}
}这是退格键voidButton1Click(objectsender,System.EventArgse)
{
try
{
inta=int.Parse(textBox1.Text);
a=a/10;
textBox1.Text=a.ToString();
}
catch
{
doublea=double.Parse(textBox1.Text);
intb=(int)a;
textBox1.Text=a.ToString();
intzz=textBox1.Text.Length;
intt=zz-1;
textBox1.Text=textBox1.Text.Remove(t);
}
}
