Print with a printer that is not the one configured by default
Hi. I'm migrating from winForm to WPF and I have the following code which works very well: printDialog = new PrintDialog(); if (DialogResult.OK == printDialog.ShowDialog()) { try { PrintDocument pd = new…
Using an image for the top of a ProgressBar's Value
Basically, I want to have a vertical ProgressBar that represents water and I'd like for the top of the ProgressBar line to be a wave instead of the default line. Is there a way to use an image like that in the ProgressBar? I really just need to have an…
![](https://techprofile.blob.core.windows.net/images/e132fda0c00c4bb98c608a076c87a4cb.png)
Canvas.Setleft sometimes not working in the same condition
I want to achieve the effect of moving the rectangle edge (one rectangle moves along one side of another rectangle) using Canvas.SetLeft to set the left border of the moving rectangle. **Under the same conditions**, it can be achieved, but…
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WPF Treeview Binding Problem
Evening, My Continents are displayed in the treeview in this case, and in the second piece of code my country's are displayed but i cant put both together, can somebody help. Thanks Madaxe <TreeView…
![](https://techprofile.blob.core.windows.net/images/319aafad7757470c87140361047582b7.png)
Additional question about a user control loading more than once
Earlier I asked why a datagrid was causing the window to load more than once. I got the answer, and thank you for your responses! However, in a strange coincidence, the release version of the app still exhibits the same behavior. Although it does…
![](https://techprofile.blob.core.windows.net/images/fefadda8866e4e3f859dcdf8cef56e0e.png)
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Combobox with dynamically created items for enum type with text coming from Attributes won't support binding of SelectedItem
I have a custom WPF combobox that generates its contents based on an enum type it's told about via a XAML attribute. When that attribute sets the corresponding property, the control calls the function below. private void OnEnumTypePropChanged(string…
![](https://techprofile.blob.core.windows.net/images/c16866ad6ce74b5db35876d6e736f077.png)
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INSERT INTO (OLEDB) RAISED NO ERROR BUT NO NEW RECORD INSERTED
Hello. I'm new to WPF migrating from Windows Form. I'm creating a non-profit system for my village management to store data related to the residents. I need to add new user for login before adding new residents data and accessing the sensitive data. …
How do I get the XAML Designer to show side-by-side?
I must have fat fingered something which turned off the XAML view. Now all I see is the Designer. I want to see them both, side-by-side in the window. How do I get that back? I'm using VS 2019 Enterprise Edition, version 16.5
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Why does clicking on a datagrid cause the window to flash?
I'm working on a WPF app with a colleague at work. This app has a launch panel with 7 buttons. Clicking on any of the 7 buttons causes a new window to popup. These new windows all start with a datagrid, listing the contents of 1 of 7 tables,…
![](https://techprofile.blob.core.windows.net/images/fefadda8866e4e3f859dcdf8cef56e0e.png)
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WPF: How do I bind with this behavior?
Here is an image to help clarify my question. Three TextBoxes and a TextBlock. I want the TextBlock to mirror the contents of one TextBox, but, if I mouse over another TextBox the TextBlock will mirror the Text of that TextBox instead. Mousing…
![](https://techprofile.blob.core.windows.net/images/e132fda0c00c4bb98c608a076c87a4cb.png)
Using validation rules to disable a button
Hi, I know that in WPF, I could bind a button's IsEnabled property with some TextBox to receive the Validation.HasError result as its IsEnabled value. This does work for simple TextBox. But in my case, I have a DataGrid for user to do the input.…
Wpf white squares bug on display
When i running wpf application theres little white squares on display where position on mouse cursor. Any one know about these wieard bug
![](https://techprofile.blob.core.windows.net/images/e132fda0c00c4bb98c608a076c87a4cb.png)
How to sort ListView by selected column?
Source thread: how to sort list view with different dataTemplate (int, bool, string, ...), answered by Alex Li-MSFT. I have a ListView control and I want to sort all the items in the list when user click on specific column header, how to achieve it? …
![](https://techprofile.blob.core.windows.net/images/319aafad7757470c87140361047582b7.png)
When ValidationStep set to UpdatedValue, the invalid red border won't go off
Hi guys. I'm using ValidationRules to do the data check on UI. When I set the ValidationStep to UpdatedValue, it works weird. When the input is incorrect, the control shows a red border as normally. However, after I changed the value correctly, the…
Async ProcessBar not working
Source thread: Async ProgressBar not working, answered by Peter Fleischer. I'm trying to set up an async read of a bunch of files with a ProgressBar, but it doesn't work. Here is my MainWindow: Class MainWindow Dim TheProgress…
![](https://techprofile.blob.core.windows.net/images/e132fda0c00c4bb98c608a076c87a4cb.png)