将自定义类对象添加到 C# 中的列表框
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Adding custom class objects to listbox in c#
提问by Anirudh Goel
i have a class which looks like this
我有一个看起来像这样的课程
public class Process_Items
{
String Process_Name;
int Process_ID;
//String Process_Title;
public string ProcessName
{
get { return Process_Name; }
set { this.Process_Name = value; }
}
public int ProcessID
{
get { return Process_ID; }
set { this.Process_ID = value; }
}
}
now i want to create a Process_Items[] Array and display all the elements in a multi column listbox. Such that first column must have the processName and 2nd must have the processID. How can i achieve this in C# 2.0?
现在我想创建一个 Process_Items[] 数组并在多列列表框中显示所有元素。这样第一列必须有 processName，第二列必须有 processID。我如何在 C# 2.0 中实现这一点？
采纳答案by James Couvares
You should use a ListView control and add two columns (ListBox only has one column)
您应该使用 ListView 控件并添加两列（ListBox 只有一列）
Process_Items[] items = new Process_Items[] // Initialize array
foreach(Process_Items p in items) {
listView.Items.Add(p.ProcessName).Subitems.Add(p.ProcessID.ToString());
}
回答by Eoin Campbell
A list box has a single ListItem (string) displayed to the user.
列表框具有向用户显示的单个 ListItem（字符串）。
So you could override ToString() as
所以你可以将 ToString() 覆盖为
public override string ToString()
{
return string.Format("{0} [ProcID: {1}]", this.Process_Name , this.ProcessID);
}
If this is for a winforms app, have a look at the ListView Control or a DataGridView
如果这是针对 winforms 应用程序，请查看 ListView Control 或 DataGridView
回答by Fredrik M?rk
What kind of control do you use for the list? If you use a ListView, then you can do like this (assuming that instanceis a Process_Items - which btw is a strange name for a class IMO - instance):
您对列表使用哪种控件？如果您使用 ListView，那么您可以这样做（假设该实例是 Process_Items - 顺便说一句，对于 IMO 类来说，这是一个奇怪的名称 - 实例）：
listView1.Items.Add(instance.ProcessName).SubItems.Add(instance.ProcessID.ToString());
