C# 如何添加自定义键盘处理事件如何配置app.config ? | csharp key press event tutorial and app.config

【C# 如何添加自定义键盘处理事件如何配置app.config ? | csharp key press event tutorial and app.config】行是知之始,知是行之成。这篇文章主要讲述C# 如何添加自定义键盘处理事件如何配置app.config ? | csharp key press event tutorial and app.config相关的知识，希望能为你提供帮助。
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csharp key press event tutorial and app.config
Guide MainForm

protected override bool ProcessCmdKey(ref Message msg, Keys keyData) { //System.Console.WriteLine(" ProcessCmdKey " + cur_image_id); //capture up arrow key if (keyData =https://www.songbingjia.com/android/= Keys.Left) { //this.button_prev.PerformClick(); button_prev_click(); return true; } else if (keyData == Keys.Right) { //System.Console.WriteLine(" Enter " +cur_image_id); //this.button_ok.PerformClick(); button_ok_click(); return true; }return base.ProcessCmdKey(ref msg, keyData); // trigger 2 button_ok_click }

TextBox

private void textBox_index_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { //enter key is down button_goto_click(); } }

app.config app.config.xml

< ?xml version=" 1.0" encoding=" utf-8" ?> < configuration> < startup> < supportedRuntime version=" v4.0" sku=" .NETFramework,Version=v4.5.2" /> < /startup> < appSettings> < add key=" image_extension" value=https://www.songbingjia.com/android/" png" /> < add key=" output_filepath" value=" ./output.json" /> < /appSettings> < /configuration>

usage

reference System.Configuration.dll

using System.Configuration; private void init_config() { var appSettings = System.Configuration.ConfigurationManager.AppSettings; string image_ext = " *." + appSettings[" image_extension" ]; string output_filepath = appSettings[" output_filepath" ]; }

Reference

enter-key-pressed-event-handler

History

20190919: created.

Post author: kezunlin
Post link: https://kezunlin.me/post/9f24ebb5/
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