Windows Presentation Foundation

1 answer

Opening the default e-email app

I use this code to open the default application and attach the file. But this code tries to open the Outlook app. For example, my default email app is the Windows 11 main app, but some other people in window seven, or XP, might be another app So, this…

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Eduardo Gomez 2,326

commented

Hui Liu-MSFT 14,561 Microsoft Employee

3 answers

Contact Us form

Hello I am creating a contact us form The idea here is that people contact, the developer (me), with a bug or future request So, the user will type his/her email, and some comments will be sent to my personal email address. private static void…

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Eduardo Gomez 2,326

answered

Hui Liu-MSFT 14,561 Microsoft Employee

1 answer

filter & save to xml function doesnt work viewmodel

Hello Morning: First i read xml file to fill the datagrid edit, save the xml file, then export the datagrid to excel file using OpenXML, then read the excel file to fille the datagrid. When i jsut read the xml file, i can filter the datagrid and edit…

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Kran2022 241

edited the question

Kran2022 241

0 answers

Why is the combo box cursor/caret moves to the beginning when down arrow is hit?

In my app I have a combo box <ComboBox ItemsSource="{Binding ComboItems}" SelectedItem="{Binding SelectedCBItem}" StaysOpenOnEdit="True" Text="{Binding SelectedCBItem,…

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don bradman 371

commented

Hui Liu-MSFT 14,561 Microsoft Employee

1 answer

WPF Mousemove is a noticeable lag

I am making a UserControl called VolumeScrollBar to control the volume a video player I am working on. Now the problem I am having is when I slide my SwitchPath it moves noticeable slower than my mouse. How can I fix this ? note: everything is working…

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Brandon Boone 1

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soren60 81

2 answers

In WPF, I want to handle the start and end of Resize like WinForms

I need an event in WPF which can tell me when does the window's border stop being dragged, because I can't run my large code every time SizeChanged event triggers.

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尼龟杰 0

commented

soren60 81

2 answers

Subclassed Properties Not Binding

In my ViewModel I have this subclass: Public Class Printing Public AccountName As Boolean Public AccountNumber As Boolean Public Expiration As Boolean Public SecurityCode As Boolean End Class which I use as follows: Private _PrintList As…

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Roger Schlueter 931

answered

Hui Liu-MSFT 14,561 Microsoft Employee

1 answer

Download form URL and be able to click on it

So, I am doing shared file functionality. Right now, I am successfully uploading the file to Azure, and then putting the link in an email address, but I have some problems Even though I am inserting a URL, is not blue (Like a URL, that I can click on) …

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Eduardo Gomez 2,326

commented

Eduardo Gomez 2,326

1 answer

seralize object returns empty file after save

Hello All, Morning: I'm reading a XML file to fill the datagrid have no issues; then i modify the some values in the datagrid then save back to the xml file without changing the structure of the file. When i tried to seralize the file, empty file is…

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Kran2022 241

commented

Kran2022 241

0 answers

Share URL of files

Ok so I was trying to implement the windows ten share UI in WPF, and because is a pain and I need it to be backward compatible with Win 7. I am trying another approach I create a new Container in azure The new container name in "share" And…

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Eduardo Gomez 2,326

commented

Hui Liu-MSFT 14,561 Microsoft Employee

2 answers

How to find the index of a newly added item in a ListView collection

I have a ListView element using a GridView. The ListView.ItemsSource property is bound to a CollectionViewSource. When I add a new item to the collection, the item appears successfully in the grid but I cannot determine the index at which it appears…

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Charles Burkitt 30

commented

Charles Burkitt 30

0 answers

Issue with KB5017262 - Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10

We faced a problem in our WPF application when KB5017262 has been applied on our computers. Our application uses the VirtualizationStackPanel and set the flag IsVirtualizingStackPanel_45Compatible due to performance issues as explained in the post…

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ChristineCCC 1

commented

Tharen Debold 0

2 answers

Wrap overflow items in listview to new row?

Hi. I have a listview where i add custom items, after changing and trying alot things, no matter how many items i have added the items will not put overflow items to the next row when it runs out of space in the window width. Also, all items seems to…

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Stefan Grönberg 0

commented

Hui Liu-MSFT 14,561 Microsoft Employee

1 answer

Is this a right way to change DataGrid's value programmicality in C# WPF?

I want to be able to easily change the values of datagrid cells at any time Is this helper function a good solution? : public static DataGridCell GetCellConfig(DataGrid DGR1, string NAME_SUTUN, int ROWINEX) { var TheCol =…

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Mojtaba_Hakim 251

commented

Hui Liu-MSFT 14,561 Microsoft Employee

1 answer

How to set Focus on new row after TAB Pressed in the last row in C# WPF DataGrid?

I'm using C# WPF , I have a DataGrid that is bound to an ObservableCollection , I want to keep focus on DataGrid's row when user is entering value with keyboard on DataGrid, I mean when last row is focus after value entered , istead of lost focus on…

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Mojtaba_Hakim 251

commented

Hui Liu-MSFT 14,561 Microsoft Employee

2 answers

What is the best way to communicate with the database through Datagrid in C# WPF between DataSet and Entity?

I use C# WPF, I am programming an accounting program with a SQL Server database, in this accounting program, data is inserted, updated, and deleted by the user directly in a data grid, which contains a textbox and Combobox elements. In an issue…

asked

Mojtaba_Hakim 251

commented

Hui Liu-MSFT 14,561 Microsoft Employee

2 answers

How to sum duplicate row specific column values using SpreadsheetLight ?

I've got some excel worksheets like I'm trying to export the data to a SQLite database using SpreadsheetLight library. Now these sheets may have some duplicate rows (i.e. the columns BP_NO, NAME & BL_NO have the same value as previous row). In that…

asked

Boom Ba 146

accepted

Boom Ba 146

1 answer

How to detect Windows Application Dark mode

What is the way to detect windows application dark mode setting (If it is dark or light), in a C# WPF application. Settings > Personalization > Colors > “Choose your default app mode” Screenshot from Windows 10 operating system. I am aware of…

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Deshmukh, Gaurav 30

commented

Deshmukh, Gaurav 30

1 answer

WPF Canvas.SetLeft Problem

set value not changed

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김 영철 1

commented

김 영철 1

0 answers

How do I get published WPF app to work with .NET6

Hi, For a long time I have had a WPF application running in .NetFramework 4.8 and finally took the step to port it to .NET6 to get the LTS that follows. However I now face an issue with publishing. I have a Network Drive folder that I publish (ClickOnce)…

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William Morgensol 0

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Hui Liu-MSFT 14,561 Microsoft Employee

Windows Presentation Foundation

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2,172 questions with Windows Presentation Foundation tags

Opening the default e-email app

Contact Us form

filter & save to xml function doesnt work viewmodel

Why is the combo box cursor/caret moves to the beginning when down arrow is hit?

WPF Mousemove is a noticeable lag

In WPF, I want to handle the start and end of Resize like WinForms

Subclassed Properties Not Binding

Download form URL and be able to click on it

seralize object returns empty file after save

Share URL of files

How to find the index of a newly added item in a ListView collection

Issue with KB5017262 - Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10

Wrap overflow items in listview to new row?

Is this a right way to change DataGrid's value programmicality in C# WPF?

How to set Focus on new row after TAB Pressed in the last row in C# WPF DataGrid?

What is the best way to communicate with the database through Datagrid in C# WPF between DataSet and Entity?

How to sum duplicate row specific column values using SpreadsheetLight ?

How to detect Windows Application Dark mode

WPF Canvas.SetLeft Problem

How do I get published WPF app to work with .NET6