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博客园 - 水色天空

用docfx生成c#项目API的简洁教程 wpf datagrid鼠标穿透 OxyPloot设置X轴时间DateTimeAxis WPF设置DatePicker日期格式之卡Bug大法 WPF程序自动重启 InstallShield打包.net项目无法包含数据库、配置文件等 handycontrol中NumericUpDown无法显示自定义错误提示的解决办法 DataGrid代码生成列居中问题 Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 9 High-Water Marks Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 9 Missing Message Problem Solver Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 9 Zero-Copy Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 8 Node Coordination Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 6 Multithreading with ZeroMQ Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 7 Signaling Between Threads (PAIR Sockets) Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 5 Handling Interrupt Signals WPF绑定RadioButton的标准做法 解决.net reactor加密后的dll,在其它电脑无法运行的问题 函数返回值的一些规则 Chapter 2 - Sockets and Patterns【选译,哈哈】 Part 4 Handling Errors and ETERM
WPF中MVVM模式下ComboBox绑定,无法更新selectedItem的解决方案
水色天空 · 2022-10-30 · via 博客园 - 水色天空

在绑定自定义类的时候,itemsource是可以绑定成功的,但无法绑定选中项,即selectedItem,一直没正面解决这个问题。今天又遇到了,于是按下了伟大的F1,打开了在线文档,看了下selectedItem属性,没什么问题,然后,好像突然明白了什么

于是,在自定义类中重写了Equals(),结果就解决了这个困扰小一年的问题。

public override bool Equals(object obj)
        {
            return obj.ToString() == Name;
        }