Questions tagged as 'xaml'

1
answer

How does "DependencyProperty" work?

I'm trying to understand the dependency properties feature. I have read some tutorials in msdn but the feature is still obscure for me. Example: using System; using System.Collections.Generic; using System.Linq; using System.Text; using Sy...
asked by 03.01.2017 / 17:46
2
answers

Doubt on using in Visual Studio

I create a new project but I can not put those using as in this example below. It appears as in the other code below ... Please help me = / using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Runtim...
asked by 10.04.2015 / 19:10
1
answer

Select City and State [Filter]

I would like to create two ListPicker or even LongListSelector , so that when the user selects an "x" State, the cities appear in another ListPicker or enter another window with another LongListSelector the cities that...
asked by 06.02.2015 / 11:55
1
answer

Create and display a badge on a page xamarin

I use xamarin.forms (Net Standard) and am having trouble creating a badge and displaying its value. I have a Tabbed Page that has a Grid with 8 cells. Each cell has an image and each image will receive this badge with its respective value....
asked by 23.02.2018 / 15:46
1
answer

Increase the "text box" of the / Editor in Xamarin Forms

Save people! You would know how I can do to increase the text space in the Editor /> "in Xamarin Forms? In the same way that we can increase an input /> in HTML with padding? Thanks for any attempt." I would like it to be as large as the imag...
asked by 14.06.2017 / 07:59
2
answers

Change the Foreground of certain items in a ListBox, via Style, using a Converter?

I have ListBox where the data source is ObservableCollection<string> . I would like the items that started with "WARNING" to have the red font. I would be able to do this using a DataTemplate , a Converter a...
asked by 01.09.2016 / 19:47
1
answer

Pass / Receive List between pages and fill listview C # Windows Phone 8.1

I'm creating a small application for windows phone 8.1, in which the user selects as many checkboxes as necessary, and from there the app loops through all the checkboxes to check which ones are selected, and then pick up their value by playing...
asked by 13.05.2016 / 07:50
1
answer

Navigation between Pages

I am making a sales order app with Xamarin , but I have a problem, call a search page, and return the selected value to the page I was on. I'll explain better below. Screen 1: Order registration screen, in this screen, the operator enter...
asked by 15.06.2016 / 13:35
2
answers

LongListSelector on Windows Phone 8

I would like to make a screen with a LongListSelector this way, taking results from a webservice of mine and mounting in that style. How could I develop this? I am a layman in this part of XAML, is it possible to indicate the basic ste...
asked by 23.01.2015 / 18:12
1
answer

Close only one window

I created a window JanelaUm , every time I click on button this window is displayed. no code-behind of JanelaUm I have event window_KeyDown with the following code: if (e.Key == Key.Escape) this.Close()...
asked by 15.12.2014 / 16:37