It’s going to be a while before I understand what is going on under the hood relying on the higher level features of the WPF object model and run-time engine, so in the interim I thought I would try to be more in control of the user interface. I am trying to draw my Canvas contents using the DeviceContext, which seems to work, but I don’t even understand what is going on under the hood for..
Tag : wpf
TextChanged event of TextBox fired before text really has changed. How is i..
Timer(2) in RELEASE mode should execute 500 calls per second ( 1000/N ) but it only executes 65 calls per second, probably because the 15 ms system timer resolution. In DEBUG mode it executes these 500 calls per second which indicate a much more precise system timer. I can not find any explanation for..
From my testing, it seems that the DataContext seems to be always assigned first before the assignment of Dependency Property, if I only set the DataContext and the Dependency Property once via XAML ( see the example b..
I have a DataGrid – th..
The task is «creating a password input field with the option to show or hide the password». There are no security requirements, so working with the password can be done in a string..
I use DrawContext to draw text in WPF Canvas. I want the text to have this effect when it is highlighted, with red fluorescence around it. How can I achieve this? Please note that the numbers 3 and 8 are also red inside.
Image i..
I am unable to get a RotateTransform to animate smoothly in WPF. I’ve been able to reproduce the behvior using the following simple application where a button rotates back and forth between 0 and 180 de..
[enter image description here][1]I add an item to the RadListBox and always update it to record the operation status of the program in rea..
private void TextBox27_GotFocus(object sender, RoutedEventArgs e) { Stil53.Begin(); TextBox27.Select(TextBox27.Text.Length, 0); Takvim_Kapat(); KeyEventHandler mhth = new KeyEventHandler(TextBox27_PreviewKeyUp); <=////this } private void TextBox27_PreviewKeyUp(object sender, KeyEventArgs e) { Listelemeler.Para_Birimi_Noktalama(TextBox27, e); } In the gotfocus incident I’m trying to trigger the KeyEventArgs event. How can I achieve this? Can you give me an idea? thank you in advance In ..