Tag:control

  • The use of devexpress pop-up box, right-click menu and grid

    Time:2021-1-19

    Very important!!! In order to distinguish the naming of WinForm, dev will put some newly added properties in the properties object!! Can’t find the attribute you want, remember to look inside! 1、 Drop down box Let’s assume that our data source isdb.List()Here I mainly talk about the way of data source binding. 1. Drop down […]

  • The solution of win10 IE browser unable to open the HTTPS website — win10 Professional Edition

    Time:2021-1-15

    There is a lot of user feedback that Internet Explorer can’t open the HTTP encrypted website under win10 system. In fact, this problem is not related to Microsoft or even ie. it is mainly caused by the so-called optimization of security controls or digital certificate controls provided by most domestic commercial banks. The reason is […]

  • Gaode map API’s zoom scale control + 3D conversion

    Time:2021-1-14

    Scale bar control First, introduce the control AMap.Scale Then use map.addControl () add control map <span style=”background-color: #f5f5f5; color: #800000;”> *</span><span style=”background-color: #f5f5f5; color: #000000;”>{</span><span style=”background-color: #f5f5f5; color: #ff0000;”>margin</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: #f5f5f5; color: #ff0000;”>padding</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; […]

  • Gaode map API, map type switch (satellite map)

    Time:2021-1-13

    Common controls AMap.MapType : map type switch plug-in, which can be used to switch satellite map First of all, remember to introduce plug-ins Add control map.addControl () map <span style=”background-color: #f5f5f5; color: #800000;”> *</span><span style=”background-color: #f5f5f5; color: #000000;”>{</span><span style=”background-color: #f5f5f5; color: #ff0000;”>margin</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: […]

  • The addition and deletion of common controls in Gaode map API (eagle eye, toolbar, scale bar)

    Time:2021-1-12

    Eagle eye plug in AMap.OverView By default, the thumbnail is displayed in the lower right corner of the map map <span style=”background-color: #f5f5f5; color: #800000;”> *</span><span style=”background-color: #f5f5f5; color: #000000;”>{</span><span style=”background-color: #f5f5f5; color: #ff0000;”>margin</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: #f5f5f5; color: #ff0000;”>padding</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: […]

  • The solution of angular iscroll

    Time:2021-1-12

    http://blog.staydan.com/2014/…Collection of problems encountered in using iscroll control in angularjs project https://github.com/ibspoof/ng…AngularJS (1.2+) directive that enables iScroll 5.x to work

  • Using kotlin to develop Android Applications (6) – common container controls

    Time:2021-1-12

    Some Container Widget in Android App Some common container controls in Android Applications 1. Common container controls in Android Spinner drop down control Main attributes: Entries: binding data source in XML layout file( * entries=”@array/languages”)(it can not be set, that is, it can be dynamically bound in activity) Spinnermode: display form of Spinner (dropdown menu, […]

  • Serialport class encapsulation of C # serial port development

    Time:2021-1-11

    catalog Serialport class Parameter encapsulation Control operation encapsulation Implementation of serialportclient class Using serialportclient class Test demo Reference article Serialport class Microsoft encapsulates the serial communication in. Net. We can directly use serialport class to read and write the serial communication in. NET2.0 and above.For the convenience of operation, this paper encapsulates the serialport class, […]

  • WinForm of C – the pit that can be edited by table

    Time:2021-1-8

    Interface diagram: Complete code: [database interaction and some tool classes are ignored, just look at the logic] using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Drawing; using System.IO; using System.Reflection; using System.Text; using System.Text.RegularExpressions; using System.Web.Script.Serialization; using System.Windows.Forms; using ess_zbfz_main.commonForm; using ess_zbfz_main.dto; using ess_zbfz_main.entity; using ess_zbfz_main.ifs; using ess_zbfz_main.util; using ess_zbfz_main.vo; using ess_zbfz_main.zhaobiao; using Newtonsoft.Json; […]

  • Table control Spread.NET V14.0 release: supports. Net 5 and. Net core 3.1

    Time:2021-1-4

    Spread.NET Similar to winnet control, it can meet the requirements of. Excel, form and other functions ASP.NET The development requirements of table data processing and data visualization based on XML, XAML and winrt. Spread.NET It supports 462 kinds of Excel formulas, provides embedded system like excel designer and fully open API, and provides a more […]

  • Invalid operation between C # WinForm threads: the solution to access the control from a thread other than the one that created it

    Time:2021-1-1

    After. Net2, controls cannot be accessed across threads. The control on the form is created by the current thread. When the user executes a method asynchronously: assign a value to the control on the form in this method, remember: when executing an asynchronous delegate, the If a thread is opened to execute that method, an […]

  • Folding menu panel in Windows Form

    Time:2020-12-31

    In the process of program development, sometimes in order to make the main content of our program display larger area, we need to fold up some panels. Today, we will briefly introduce the implementation of a menu panel folding. First, use the panel to build the overall page layout, then add a collapse button or […]