VAR
a0 AT%M*:REAL:=0.0;
a1 AT%M*:REAL:=0.1;
a2 AT%M*:REAL:=0.2;
a3 AT%M*:REAL:=0.3;
a4 AT%M*:REAL:=0.4;
i:int:=0;
ar:array[0..4] of real;
b:bool;
pr:pointer to real;
r_trig1:R_TRIG;
END_VAR
r_trig1(clk:=b);
if r_trig1.q then
b:=0;
for i:=0 to 4
不带参数的跨线程
private
void button1_Click(object sender, EventArgs e)
{
Thread t = new
Thread(() =>
{
Random R = new
Random();
this.Invoke(new
Action(()=> { this.Text =
Private Declare Function SetWindowText Lib “user32” Alias “SetWindowTextA” (ByVal hwnd As Long, ByVal lpString As String) As Long
Private Sub Command1_Click()
SetWindowText Form1.hwnd, “hellworld!”
End Sub
同事的电脑运行程序,莫名其妙的闪退。
增加以下代码查找原因。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace