C# 執行緒中操作窗體控制元件
阿新 • • 發佈：2020-12-15
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1. 線上程中給textBox1
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;
using System.Threading;
namespace WindowsFormsApp12
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
// CheckForIllegalCrossThreadCalls = false;
// Class1 cs1 = new Class1();
Thread th = new Thread(test1);
th.Start();
// cs1.ShowEvent = test;
}
public void test1()
{
// ShowlbDevTem("123");
textBox1.Text = "123";
}
private void button1_Click(object sender, EventArgs e)
{
// ShowlbDevTem("112");
}
/* public void test(string str)
{
ShowlbDevTem(str);
}
public delegate void SWTDelegate(string AddStr);
//public delegate void ComsumerTextDelegate(int Index, string AddStr);
public void ShowlbDevTem(string AddStr)
{
if (textBox1.InvokeRequired)
{
SWTDelegate pd = new SWTDelegate(ShowlbDevTem);
textBox1.Invoke(pd, new object[] { AddStr });
}
else
{
textBox1.Text = AddStr;
//richTextBox1.AppendText(AddStr);
}
}
public void dataShow(int row, int column, string str)
{
row = row % 30;
ShowMessage(dataGridViewX1, str, row, column);
}
delegate void ShowMessageDelegate(DataGridView dg, string message, int row, int column);
private void ShowMessage(DataGridView dg, string message, int row, int column)
{
if (dg.InvokeRequired)
{
ShowMessageDelegate showMessageDelegate = ShowMessage;
dg.Invoke(showMessageDelegate, new object[] { dg, message, row, column });
}
else
{
dg.Rows[row].Cells[column].Value = message;
}
}
*/
}
}
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;
using System.Threading;
namespace WindowsFormsApp12
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//CheckForIllegalCrossThreadCalls = false;
// Class1 cs1 = new Class1();
Thread th = new Thread(test1);
th.Start();
// cs1.ShowEvent = test;
}
public void test1()
{
ShowlbDevTem("123");
//textBox1.Text = "123";
}
private void button1_Click(object sender, EventArgs e)
{
// ShowlbDevTem("112");
}
/* public void test(string str)
{
ShowlbDevTem(str);
}*/
public delegate void SWTDelegate(string AddStr);
//public delegate void ComsumerTextDelegate(int Index, string AddStr);
public void ShowlbDevTem(string AddStr)
{
if (textBox1.InvokeRequired)
{
SWTDelegate pd = new SWTDelegate(ShowlbDevTem);
textBox1.Invoke(pd, new object[] { AddStr });
}
else
{
textBox1.Text = AddStr;
//richTextBox1.AppendText(AddStr);
}
}
/* public void dataShow(int row, int column, string str)
{
row = row % 30;
ShowMessage(dataGridViewX1, str, row, column);
}
delegate void ShowMessageDelegate(DataGridView dg, string message, int row, int column);
private void ShowMessage(DataGridView dg, string message, int row, int column)
{
if (dg.InvokeRequired)
{
ShowMessageDelegate showMessageDelegate = ShowMessage;
dg.Invoke(showMessageDelegate, new object[] { dg, message, row, column });
}
else
{
dg.Rows[row].Cells[column].Value = message;
}
}
*/
}
}
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;
using System.Threading;
namespace WindowsFormsApp12
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//CheckForIllegalCrossThreadCalls = false;
Class1 cs1 = new Class1();
Thread th = new Thread(cs1.test);
th.Start();
// cs1.ShowEvent = test;
}
public void test1()
{
ShowlbDevTem("123");
//textBox1.Text = "123";
}
private void button1_Click(object sender, EventArgs e)
{
// ShowlbDevTem("112");
}
/* public void test(string str)
{
ShowlbDevTem(str);
}*/
public delegate void SWTDelegate(string AddStr);
//public delegate void ComsumerTextDelegate(int Index, string AddStr);
public void ShowlbDevTem(string AddStr)
{
if (textBox1.InvokeRequired)
{
SWTDelegate pd = new SWTDelegate(ShowlbDevTem);
textBox1.Invoke(pd, new object[] { AddStr });
}
else
{
textBox1.Text = AddStr;
//richTextBox1.AppendText(AddStr);
}
}
/* public void dataShow(int row, int column, string str)
{
row = row % 30;
ShowMessage(dataGridViewX1, str, row, column);
}
delegate void ShowMessageDelegate(DataGridView dg, string message, int row, int column);
private void ShowMessage(DataGridView dg, string message, int row, int column)
{
if (dg.InvokeRequired)
{
ShowMessageDelegate showMessageDelegate = ShowMessage;
dg.Invoke(showMessageDelegate, new object[] { dg, message, row, column });
}
else
{
dg.Rows[row].Cells[column].Value = message;
}
}
*/
}
}
class1中程式碼：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Windows.Forms;
namespace WindowsFormsApp12
{
class Class1
{
//public Action<string> ShowEvent;
public void test()
{
//ShowEvent("123456789");
Form1 f1 = new Form1();
f1.ShowlbDevTem("112");
}
}
}
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;
using System.Threading;
namespace WindowsFormsApp12
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//CheckForIllegalCrossThreadCalls = false;
Class1 cs1 = new Class1();
Thread th = new Thread(cs1.test);
th.Start();
cs1.ShowEvent = test;
}
public void test1()
{
ShowlbDevTem("123");
//textBox1.Text = "123";
}
private void button1_Click(object sender, EventArgs e)
{
// ShowlbDevTem("112");
}
public void test(string str)
{
ShowlbDevTem(str);
}
public delegate void SWTDelegate(string AddStr);
//public delegate void ComsumerTextDelegate(int Index, string AddStr);
public void ShowlbDevTem(string AddStr)
{
if (textBox1.InvokeRequired)
{
SWTDelegate pd = new SWTDelegate(ShowlbDevTem);
textBox1.Invoke(pd, new object[] { AddStr });
}
else
{
textBox1.Text = AddStr;
//richTextBox1.AppendText(AddStr);
}
}
/* public void dataShow(int row, int column, string str)
{
row = row % 30;
ShowMessage(dataGridViewX1, str, row, column);
}
delegate void ShowMessageDelegate(DataGridView dg, string message, int row, int column);
private void ShowMessage(DataGridView dg, string message, int row, int column)
{
if (dg.InvokeRequired)
{
ShowMessageDelegate showMessageDelegate = ShowMessage;
dg.Invoke(showMessageDelegate, new object[] { dg, message, row, column });
}
else
{
dg.Rows[row].Cells[column].Value = message;
}
}
*/
}
}
類中：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Windows.Forms;
namespace WindowsFormsApp12
{
class Class1
{
public Action<string> ShowEvent;
public void test()
{
ShowEvent("123456789");
// Form1 f1 = new Form1();
//f1.ShowlbDevTem("112");
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Windows.Forms;
namespace WindowsFormsApp12
{
class Class1
{
public Action<string> ShowEvent;
public void test()
{
// Class2 cs2 = new Class2();
// cs2.test(ShowEvent);
Class2 cs2 = new Class2();
cs2.test(ShowEvent);
}
}
}
class2程式碼
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
namespace WindowsFormsApp12
{
class Class2
{
// public Action<string> ShowEvent1;
public void test(Action<string> ShowEvent)
{
ShowEvent("123456789");
}
}
}