C#之参数线程

public Form1()
{
InitializeComponent();
}
Thread t;
private void button1_Click(object sender, EventArgs e)
{
int num = int.Parse(this.textBox1.Text);
int num2 = int.Parse(this.textBox2.Text);
duo a = new duo();
a.num1 = num;
a.num2 = num2;
t = new Thread(test);

t.IsBackground = true;
t.Start(a);

}

private void test(object num)
{
duo a = num as duo;

//int n = 0;
//while (n < 10000)
//{

//    n++;
//    this.textBox1.Text = n.ToString();

//}
int n = a.num1;
int b = a.num2;

this.label1.Text = Convert.ToString((n + b) * b / 2);

}

private void Form1_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{

}
}

数组

public partial class Form1 : Form
{

public Form1()
{
InitializeComponent();
}
Thread t;
private void button1_Click(object sender, EventArgs e)
{
int num = int.Parse(this.textBox1.Text);
int num2 = int.Parse(this.textBox2.Text);
int[] a = new int[] { num,num2};
t = new Thread(test);

t.IsBackground = true;
t.Start(a);

}

private void test(object num)
{
int[] nums=(int[])num;

//int n = 0;
//while (n < 10000)
//{

//    n++;
//    this.textBox1.Text = n.ToString();

//}
int n = nums[0];
int b = nums[1];

this.label1.Text = Convert.ToString((n + b) * b / 2);

}

private void Form1_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{

}
}

集合

public partial class Form1 : Form
{
List<int> add = new List<int>();

public Form1()
{
InitializeComponent();
}
Thread t;
private void button1_Click(object sender, EventArgs e)
{
add.Clear();
int num = int.Parse(this.textBox1.Text);
int num2 = int.Parse(this.textBox2.Text);
add.Add(num);
add.Add(num2);

t = new Thread(test);

t.IsBackground = true;
t.Start(add);

}

private void test(object num)
{
//int nums=(int)num;
List<int> nums = (List<int>)num;

//int n = 0;
//while (n < 10000)
//{

//    n++;
//    this.textBox1.Text = n.ToString();

//}
int n = nums[0];
int b = nums[1];

this.label1.Text = Convert.ToString((n + b) * b / 2);

}

private void Form1_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{

}
}