Article directory foreword 1. Qt commonly used input window controls 2. QFontComboBox and QComboBox control programming 2.1 Introduction to Controls 2.1.1 QComboBox combo box 2.1.2 QFontComboBox font combo box 2.2 Routine function design 2.3 Effect of routine execution 2.4 Generating the project 2.5 Code editing 2.5.1 Modify the project file _qcombobox.pro 2.5.2 Modify `main.cpp` 2.5.3 […]
Tag: combobox
Combat wxPython: 032 – ComboBox drop-down list box under the basic control
A combo box is like a combination of an edit control and a list box. Can be displayed as a static list, with text fields editable or read-only; on different platforms, it can be a drop-down list with a text field; or a drop-down list without a text field. One, wx.TextEntry Many methods in the […]
C# or wpf or MFC ComboBox.OnSelectionChanged(SelectionChangedEventArgs) Get the changed value, don’t get it directly. Another pit
WPF version C# using FT_Tools; using MSFramework. Common; using System; using System.Collections.Generic; using System. ComponentModel; using System. Linq; using System. Text; using System. Threading. Tasks; using System. Windows; using System. Windows. Controls; using System. Windows. Data; using System. Windows. Documents; using System. Windows. Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System. Windows. Shapes; using WpfM20UpdateFW; namespace […]
QT drop-down box MultiSelectComboBox with multiple selection
Needed a dropdown box with multiple selections for the job, found this: https://blog.csdn.net/qq_43793182/article/details/122080407?utm_medium=distribute.pc_relevant.none-task-blog-2defaultbaidujs_baidulandingword~default-0-122080407-blog-126646432 .235 v36pc_relevant_default_base &spm=1001.2101.3001.4242.1 &utm_relevant_index=3 But there are still some problems with this code, for example, clicking on the blank space will hide the drop-down box. So I refer to other people’s code on github https://github.com/ThisIsClark/Qt-MultiSelectComboBox, which looks like the source of the […]
Application of WPF DataGrid+ComboBox Control
1. Realize the function This article takes employee work statistics as an example to introduce the application of the DataGrid + ComboBox control. The left side is the department, and the right side is the department member information. When the department is switched, the content on the right side changes. 2. Front-end code <Grid> <Grid. […]
[Qt] Customize the QComboBox to implement the drop-down option to add the delete button, press Enter to add the option
Article directory foreword 1.comboview.h 2.comboview.cpp 3. Effect display Summarize Foreword Record Qt’s custom QComboBox drop-down option to add delete button function. Reminder: The following is the text of this article, the following case is for reference 1.comboview.h The code is as follows (example): #ifndef COMBOVIEW_H #define COMBOVIEW_H #include <QDebug> #include <QStyle> #include <QLayout> #include <QLineEdit> […]
051.PyQt5_QComboBox_drop-down selection box
QComboBox drop-down selection box Description It is a combined control, which displays the smallest space for the user to operate by default. You can select more preset options through the drop-down selection interface Inherited from: QWidget Functional role Constructor QComboBox(parent: QWidget = None) # Create the QComboBox object and set the parent object at the […]
WPF implements (fancy) search function and placeholder prompt based on ComboBox
Write custom directory title here Target 1. Realize the search function 1. ComboBox definition 2. .cs code 2. Realize the customary pop-up function 3. Add a placeholder for the ComboBox to realize the prompt function 4. Eliminate the last small bug Five, the last bug Note: At the same time, I would like to thank […]
JList, JComboBox implement list box
Both JList and JComboBox are similar, they both have a list box, but the list box of JComboBox needs to be displayed in a pull-down manner. 3. Set the listener to monitor the changes of the list items. JList is completed through addListSelectionListener, and JComboBox is completed through addltemListener. package com.aynu.layout; import javax.swing.*; import javax.swing.border.EtchedBorder; […]
ComboBox two data binding methods and their efficiency in C# winform
1. ComboBox two methods of data binding 1.1, Method 1, DataTable //Create DataTable DataTable dataTable = new DataTable(); dataTable.Columns.Add(“ID”); dataTable.Columns.Add(“Name”); DataRow dataRow = dataTable. NewRow(); dataRow[“ID”] = “1”; dataRow[“Name”] = “Method 1-Test 1”; dataTable.Rows.Add(dataRow); DataRow dataRow1 = dataTable. NewRow(); dataRow1[“ID”] = “2”; dataRow1[“Name”] = “Method 1-Test 2”; dataTable.Rows.Add(dataRow1); DataRow dataRow2 = dataTable. NewRow(); dataRow2[“ID”] = […]