Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,672 questions
0 answers
How to complie IronPython WPF application to exe?
I create a IronPython WPF project, but how can i complie it？
asked 2020-10-03T05:30:27.817+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 66%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
陈勇潮
1
Reputation point
commented 2020-10-06T07:01:29.96+00:00
DaisyTian-1203
11,616
Reputation points
1 answer
Not able to WCF service reference to MVC project using net.tcp
My project is using MVC with WCF for 5 years and the code hasn't changed much. Recently my laptop got replaced since then I am facing trouble adding a service reference to MY WCF services in my MVC project. Please find the error, IIS configuration and…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,377 questions
asked 2020-10-03T05:10:54.41+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(16, 57.99999999999999%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Sushant Sinha
1
Reputation point
answered 2020-10-06T02:28:13.567+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 77%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPD%3C/text%3E%3C/svg%3E)
Peng Ding-MSFT
91
Reputation points
0 answers
receiving emails WPF Application (not forms)
hi all i'm trying to receive emails in my app and am struggling to work out the Xaml window code. i think my back end code works which is as follows private void Button_Click_1(object sender, RoutedEventArgs e) { using (var…
asked 2020-10-03T21:45:51.377+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 61%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDG%3C/text%3E%3C/svg%3E)
darren guest
1
Reputation point
commented 2020-10-05T23:12:15.297+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 51%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEH%3C/text%3E%3C/svg%3E)
Emon Haque
3,176
Reputation points
0 answers
load a specified user control and its code behind on demand
Hi Peter + Daisy, As far as I can understand, the code behind of a specified user control would fail the following code: (UserControl)XamlReader.Load(new FileStream(_userControlFilePath, FileMode.Open)); Is there a way to load a specified user…
asked 2020-10-05T03:58:17.937+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 62%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
jennyliu835
221
Reputation points
commented 2020-10-05T22:26:31.997+00:00
jennyliu835
221
Reputation points
1 answer
One of the answers was accepted by the question author.
How to bind SelectedItems.Count and Items.Count of ListBox in ViewModel's property?
In xaml this works: <TextBlock HorizontalAlignment="Right"> <Run Text="{Binding ElementName=lb, Path=SelectedItems.Count, Mode=OneWay}"/> <Run Text="/"/> <Run Text="{Binding…
asked 2020-10-03T20:14:48.167+00:00
Emon Haque
3,176
Reputation points
accepted 2020-10-04T14:17:49.647+00:00
Emon Haque
3,176
Reputation points
1 answer
One of the answers was accepted by the question author.
button.ActualHeight with IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj)
I have the code bellow in Wpf C#. It works but problem is the first bt.ActualHeight.ToString() in message is always "0: All other values are right. Can you help me pleas public static IEnumerable<T>…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(172.8, 9%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Visual Studio: Handling renaming of items with design view
Greetings, Let's say that we are creating a form in design view in Visual Studio. We place a button on the form and then double-click the button to automatically generate an event handler for the click of the button. This takes us directly to the code…
asked 2020-10-03T16:51:08.687+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 34%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
FriQenstein
136
Reputation points
answered 2020-10-03T18:15:53.907+00:00
FriQenstein
136
Reputation points
1 answer
How do you access the Windows 10 SystemIndex in a .Net Core app since OleDb is unsupported?
I have a .Net Framework app that I am porting to .Net Core 3.1. It queries the system index to find relevant files using AQS and OleDb. But how do I get the same functionality in .Net Core 3.1 since Ole Db is not supported? (Btw, the keyword system…
asked 2020-10-03T05:32:16.567+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 99%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPS%3C/text%3E%3C/svg%3E)
Pete Stewart
1
Reputation point
answered 2020-10-03T08:11:58.763+00:00
Castorix31
81,726
Reputation points
2 answers
One of the answers was accepted by the question author.
What cause this DataTable.ImportRow()'s failure?
for (int i = 0; i < P5.Rows.Count; i++) { var dr = P5.Rows[i]; (※※※※) if ((bool)dr[0]) { dt.ImportRow(dr); } } I paused the program at line(※※※※), then…
asked 2020-10-01T19:52:11.45+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 15%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
Chenbinhao
21
Reputation points
commented 2020-10-03T05:25:24.4+00:00
Viorel
112.1K
Reputation points
2 answers
One of the answers was accepted by the question author.
How to enable Thumbnail LivePreview to be live for when window is minimized?
If you put continuous animation at window (WPF Framework), then you minimize window, then go at Taskbar application button to view its LivePreview, animation at the preview is paused. How to enable Thumbnail LivePreview to be live for when window is…
2 answers
One of the answers was accepted by the question author.
In WPF apps, should the implementation of INotifyPropertyChanged only be in the ViewModel?
I'm assisting in writing a WPF app. One thing I've done only in the ViewModel (VM) to date, is define properties associated with the data from the model, so that I can use MVVM Light's RaisePropertyChanged() method in the setter of the property. That's…
asked 2020-10-01T00:54:39.513+00:00
Rod Falanga
561
Reputation points
accepted 2020-10-02T12:19:15+00:00
Rod Falanga
561
Reputation points
0 answers
What is the best solution for draw lines in Viewport3D in WPF
Hi I'm trying to make a 3D Chart of a surface with the Viewport3D class and it must be able to be moved with mouse. My problem is how to make the lines for the grid of chart. I need that the lines have a behaviour like 2D moving in a 3D space. I dont…
asked 2020-10-01T13:15:12.163+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 28.000000000000004%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
Alex Hyx
1
Reputation point
commented 2020-10-02T08:16:33.28+00:00
Jack J Jun
24,286
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Is it possible to load user controls on demand? - Cont.
Hi Peter + Daisy, Is it possible to load a specified user control (i.e. UC1, UC2,... UC# ) without building any list, just as we do with a specified page? For example, NavigationService NS = fm.NavigationService; NS.Navigate(new…
asked 2020-10-01T06:47:35.623+00:00
jennyliu835
221
Reputation points
commented 2020-10-02T05:30:47.083+00:00
jennyliu835
221
Reputation points
0 answers
Convert MemoryStream to BitmapImage thrown “System.NullReferenceException”
I am trying to use TagLib to load album art dynamically to Image in WPF. So ,I define a dependency property like this: public static readonly DependencyProperty AlbumImageProperty = DependencyProperty.Register( "AlbumImage",…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 45%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
How to access the internal filtered collection of ICollectionView?
I've these collection and collectionviews: public ICollectionView Tenants { get; set; } public ICollectionView Plots { get; set; } List<int> foundPlots and these subscription and filters: Tenants.CurrentChanged +=…
asked 2020-09-30T09:18:22.63+00:00
Emon Haque
3,176
Reputation points
accepted 2020-10-01T09:50:51.473+00:00
Emon Haque
3,176
Reputation points
1 answer
One of the answers was accepted by the question author.
Wpf C# get ActualHeight of the button added by program
I have a code bellow. I want to get heights from all buttons adding programmatically, but results for all heights is 0. Can you help me please? int k = 1; int indexMax = 100; Double[] vyska = new double[1000]; private void btnOpen_Click(object…
1 answer
Chart Update after created and linked datasource
Hallo I'm trying to find a way to update the chart after the a list of Objects was binded with the chart. (Simple explanation below). Chart is created once the form is loaded, and got a tick event that should update the data every couple of…
asked 2020-09-30T21:19:53.553+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 3%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
jacques labuschagne
1
Reputation point
answered 2020-10-01T04:44:28.903+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 7.000000000000001%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDZ%3C/text%3E%3C/svg%3E)
Daniel Zhang-MSFT
9,611
Reputation points
1 answer
One of the answers was accepted by the question author.
How to bind Group Names and Items separately in different Comboboxes
I've an ICollectionView named MyObjects with group description. In code I can access group Name and Items this way: foreach (var gr in MyObjects.Groups) { var group = gr as CollectionViewGroup; var name = group.Name; var item =…
asked 2020-09-29T08:59:09.113+00:00
Emon Haque
3,176
Reputation points
accepted 2020-09-30T09:21:37.597+00:00
Emon Haque
3,176
Reputation points
1 answer
'Navigate' is not a member of 'WebView22' ?
Hello & Thanks ; Trying to convert my SafeBrowser WebBrowser1 to WebView22 & getting error: 1>C:\Users\vmars\source\repos\WindowsApp2_01\Form1.vb(7,9): error BC30456: 'Navigate' is not a member of 'SafeBrowser'. Which brings up the…
asked 2020-09-26T00:22:20.55+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 17%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
vmars316
621
Reputation points
commented 2020-09-30T08:32:36.32+00:00
Daniel Zhang-MSFT
9,611
Reputation points
1 answer
receive email on Wpf application C#
hi im wondering if anyone has any idea how to receive emails in my application. I have been looking for some help on what the front end is for my users but also the code behind it any help would be great
asked 2020-09-25T22:13:11.543+00:00
darren guest
1
Reputation point
commented 2020-09-30T08:12:00.52+00:00
Zhanglong Wu-MSFT
261
Reputation points Microsoft Vendor