Tutorial by Examples: box

An observable is created from the TextChanged event of the TextBox. Also any input is only selected if it's different from the last input and if there was no input within 0.5 seconds. The output in this example is sent to the console. Observable .FromEventPattern(textBoxInput, "TextChan...

TextBoxes allow the user to input data into the program. We are going to modify the form and add a textbox so the messagebox show us the message that the user wants. Now our form looks like: And then modify the button click event to use the text of the textbox: private void cmdShowMessage_Click...

ComboBoxes allow the user to choose one of various options provided by the developer. We are going to modify the form and add a combobox so the messagebox show us the message that the user want from a list that we will provide. After adding the combo to the form we now add a list of options to the...

Box boxlty - box line type boxlwd - box line width boxcol - box line color boxfill - box fill colors Median medlty - median line type ("blank" for no line) medlwd - median line widht medcol - median line color medpch - median point (NA for no symbol) medcex - median point s...

This uses the SwiftyDropbox library to upload a file from a NSFileHandle to the Dropbox account using upload sessions, handling every error case: import UIKit import SwiftyDropbox class ViewController: UIViewController { // filled in later in doUpload: var fileHandle : NSFileHandle?...

This code places the hint text at form load and manipulates it as follows: C# private void Form_load(object sender, EventArgs e) { textBox.Text = "Place Holder text..."; } private void textBox_Enter(object sender, EventArgs e) { if(textBox.Text == "Place Holder text....

In this example we will implement a custom Checkbox for Android and iOS. Creating the Custom Control namespace CheckBoxCustomRendererExample { public class Checkbox : View { public static readonly BindableProperty IsCheckedProperty = BindableProperty.Create<Checkbox, bool&gt...

Checkbox is a control that allow user to get boolean values from user for a spesific question like "Are you ok?". Has a event called CheckedChanged, which occurs whenever the check property is changed. Here is a CheckBox that has a question "Is Checked?". We got this Message...

Boxplots are descriptive diagrams that help to compare the distribution of different series of data. They are descriptive because they show measures (e.g. the median) which do not assume an underlying probability distribution. The most basic example of a boxplot in matplotlib can be achieved by jus...

import tkinter as tk root = tk.Tk() rbvar = StringVar() rbvar.set(" ") rb1 = tk.Radiobutton(root, text="Option 1", variable=rbvar, value='a', indicatoron=0) rb1.pack() rb2 = tk.Radiobutton(root, text="Option 2", variable=rbvar, value='b', indicatoron=0) rb2...

Matplotlib has its own implementation of boxplot. The relevant aspects of this function is that, by default, the boxplot is showing the median (percentile 50%) with a red line. The box represents Q1 and Q3 (percentiles 25 and 75), and the whiskers give an idea of the range of the data (possibly at Q...

Text box controls are typically used to accept input from the user. A text box control can accept one or more lines of text depending upon the settings of the TextMode attribute. Label controls provide an easy way to display text which can be changed from one execution of a page to the next. If you...

A check box displays a single option that the user can either check or uncheck and radio buttons present a group of options from which the user can select just one option. To create a group of radio buttons, you specify the same name for the GroupName attribute of each radio button in the group. If...

A radio button list presents a list of mutually exclusive options. A check box list presents a list of independent options. These controls contain a collection of ListItem objects that could be referred to through the Items property of the control. Basic syntax of radio button list: <asp:RadioB...

Often you will want to have an input box that takes numbers only. Again by deriving from the standard controls this is easily achieved, for example: using System; using System.Windows.Forms; using System.Globalization; namespace StackOverflowDocumentation { public class SONumberBox : SO...

This custom UserControl will appear as a regular combobox, but unlike the built-in ComboBox object, it can show the user a default string of text if they have not made a selection yet. In order to accomplish this, our UserControl will be made up of two Controls. Obviously we need an actual ComboBox...

public class MyPage : ContentPage { RelativeLayout _layout; BoxView centerBox; BoxView rightBox; BoxView leftBox; BoxView topBox; BoxView bottomBox; const int spacing = 10; const int boxSize = 50; public MyPage() { _layout = new Rel...

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Listbox is a control that can contains collection of objects. Listbox is similar to Combobox but in Combobox; Only selected items are visible to user. In Listbox; all items are visible to user. How to add items to ListBox? private void Form3_Load(object sender, EventArgs e) { ...