使用委托参数在 C# 中的类和窗体之间传递数据
本文关键字:窗体 之间 数据 参数 | 更新日期: 2023-09-27 17:55:28
我必须将值从类传递到RichTextBox中。这是我的代码。我必须将值传递到文本框、列表框等任何工具中,但我不知道怎么做。我必须使用委托将 md 值传递给两个方法并传递到同一个富文本框中。
namespace delegateEx2
{
public class MyClass : Form1
{
delegate void MyDelegate(string MyString);
public void ShowThoseMessages()
{
MyDelegate md = new MyDelegate(log1);
md += log2;
md("Error Log Text");
}
public void log1(string message) {
//what can I write here to pass the md into the RichTextBox on Form1.cs
//I tried something like Systems.Windows.Form.rtxblog but did not work
//......................................
}
public void log2(string message2)
{
//.....................................
}
}
我之前不得不查一下。下面是一些示例代码...
班级.cs
using System.Windows.Forms;
。
public bool validateForm(TextBox txtTitle, TextBox txtPath, CheckedListBox ckList)
{
bool title = false;
bool path = false;
if (txtTitle.Text == String.Empty)
{
title = false;
txtTitle.Text = "Title is empty!";
paintred(txtTitle);
} else { title = true; paintwhite(txtTitle); }
if (txtPath.Text == String.Empty)
{
path = false;
txtPath.Text = "Path is empty!";
paintred(txtPath);
} else { path = true; paintwhite(txtPath); }
bool ckItem1 = ckList.GetItemChecked(0);
bool ckItem2 = ckList.GetItemChecked(1);
bool ckItem3 = ckList.GetItemChecked(2);
bool ckItem4 = ckList.GetItemChecked(3);
bool ckItem5 = ckList.GetItemChecked(4);
if (title && path && ckItem1 && ckItem2
&& ckItem3 && ckItem4 &&
ckItem5 )
return true;
else
return false;
}
然后以我的形式,我有...
if (TheClass.validateForm(txtBox, txtBox2, listCheckList))
{
txtBox3.Text = TheClass.generateItem1(something, something2);
txtBox4.Text = TheClass.generateItem2(something, something2, txtPath.Text, txtTitle.Text, listCheckList.GetItemChecked(5));
}
else
{
MessageBox.Show("Please check fields marked in red, if any. Double check your Check List required items.", "Title Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
简单的问题是更改富文本框声明中的修饰符。您可以在 Form1.designer.cs 中找到该声明。将修饰符从私有更改为受保护,然后您可以从 log1 方法访问富文本框。