如何访问在另一个线程中运行的方法返回的值?
可以说:
public string[,] method1
{
string a = "blah";
return a;
}
private void btn_Click(object sender, EventArgs e)
{
Thread thread = new Thread(method1);
thread.Start();
// here I want to use a ...
Label1.Text = a;
}
谁能告诉我?
最佳答案
为什么不,
public Task<string> Method1()
{
return Task.Run(() => "blah");
}
private async void btn_Click(object sender, EventArgs e)
{
Label1.Text = await Method1();
}
或者,如果函数带有参数,
public Task<string> Method1(string someString, int someInt)
{
return Task.Run(() => string.Format("{0}{1}", someString, someInt));
}
private async void btn_Click(object sender, EventArgs e)
{
Label1.Text = await Method1("EZ", 1);
}
甚至,
private Task<string[][]> ArrayMaker(uint x, uint y)
{
return Task.Run(() =>
{
var result = new string[x][]
for (var i = 0; i < x; i++)
{
result[i] = new string[y];
for (var j = 0; j < y; j++)
{
result[i][j] = ((long)i * j).ToString(
CultureInfo.InvariantCulture);
}
}
return result;
});
}
private async void btn_Click(object sender, EventArgs e)
{
var bigArray = await ArrayMaker(1000000, 1000000);
}
关于c# - 访问另一个线程中的方法返回的值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22965871/