Replacing Windows login form with Custom WPF Fingerprint Login Form
Hi..Is it possible to replace windows login form with custom biometric login form? if yes please give the solution.
View ArticleDragging image from User control is firing Window leave event on WPF Mainwindow
Hi, I am using multiple user control inside my main window( I am using ribbon window) , if i start dragging from one of the user control main window mouse leave, mouse move events will hit, which is...
View ArticleWPF Shader Effects Performance Issues
I have a video format that decodes into Yuv color format. I wrote a pixel shader that converts the Yuv image to Rgb. The pixel shader performance is worse than doing the conversion on the CPU. Note...
View ArticleXAML twoway binding for DatePicker
I do two way binding on a textbox. My data property fires when I tab out. That is good.I do two way binding on a DatePicker. My data property fires for every key stroke. That is bad.What am I dong...
View ArticleMultibinding converter async/await method
hello,In my project I've three property (MyProp1, MyProp2 and MyProp3); When change one of these, I must execute my calculate method (with three property as parameters) and binding the result in a wpf...
View ArticleFocusing on the control of DatagridTemplate Column and Key Navigation between...
Hi Friends,I have DataGrid with DataGridTemplate column, Which has multiple controls in it, So Whenever GridCell got Focused need to focus on firsdt control in a Template. Kindly suggest....
View ArticlePop Up doesn't close when I click anywhere outside the Pop Up
I have a pop up in my application whose StaysOpen property is set to false . This pop is opened on MouseUp event of a Image as below <Image Source="{Binding}" Height="100" Width="200"...
View Articlewhy no image when camera capturing after integrated with user control?
https://drive.google.com/file/d/0Bxs_ao6uuBDUNzhrbVdlU2w4MGs/view?usp=sharing https://drive.google.com/file/d/0Bxs_ao6uuBDUYV93QXRybktJOXc/view?usp=sharingwhy no image when camera capturing after...
View ArticleWPF Memory not released when called from ActiveX
I have a class that populates 1000 ComboBoxes into the UI, the code is namespace ActiveXMemory { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary>...
View Articleshowdialog() method problem
Hello,in wpf application Although i use showdialog() method i still can access the parent window private void button2_Click(object sender, RoutedEventArgs e) { win_1 w = new win_1();...
View ArticleWPF ReportViewer column header not repeated on every page when export to PDF...
I am working on a WPF application using .net 4.0 and SQL Server 2008R2. The problem is in the ReportViewer where the column header does show up on each page within the ReportViewer itself; however,...
View ArticleDispatcherTimer with multiple lap times from 0
Hi,I would like to ask, if it's possible to implement DispatcherTimer with lap times to wpf mvvm application. The scenario is more complex than the standard DispatcherTimer implementation I guess.I...
View ArticleCreating add-ons for WPF applications
I have a simple database application where an user can add or delete persons. Moreover, the application has a button "Add new button to application". This application is built using Prismframework....
View ArticleTo notify collection changed while adding item to IEnumarable collection
Hi,My requirement is item should be added in IEnumarable collection and should trigger Collection changed event while item added/removed from IEnumarable collection.Using Reflection I have tried to add...
View ArticleTreeview Numpad Subtract Key Problem
I have a number of textboxes embedded within a TreeViewItem and I have run into a problem where if you type the '-' (the Subtract key) from the numpad (the -/_ key works fine) the branch collapses....
View ArticleChange WPF browser version
I know this question is asked many times and solution to this is adding key to registry as below.HKEY_LOCAL_MACHINE (or HKEY_CURRENT_USER) SOFTWARE Microsoft Internet Explorer...
View ArticleWPF load variables on startup
New to WPF I am creating an application that on Startup looks for a json file that has some user information(name, location)If the file doesn't exists I want to direct them to form that prompts them...
View Articlevalidate duplication in textbox
Hi All.I would like to validate duplication entered value in textbox. Does it possible to validate duplication value in textbox if collectionview for validation and collectionview for populate form...
View ArticleWPF TextBox Inside ViewBox loses Cursor on resize
I have a textbox inside a viewbox. When I try to resize the window, the textbox size and font size getting scaled, but if I try to focus the textbox and try move the cursor inside the textbox using...
View Articlepassing values between pages??
My project uses 2 pages MainPage.xaml and SecondPage.xaml. i have a textbox in MainPage.xaml which is used to enter numbers. i intend to perform calculations using the data entered in the first page...
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