Hi, I have a window set to allow drop and my Drop Event Handler is working fine for images dragged in from Windows Explorer. But dragging in pictures from a web browser has some quirks. In Firefox, I am only getting .bmp files with random names. Images from IE 8 (haven't tested others) only show a Not Allowed mouse cursor. I guess t...
Hi All, I am using MVVM architecture to develop a WPF application... So far everything has been going fine. I have run into an issue with binding visiblity. I want to minimize writing code in the code behind if i can but if it's REQUIRED then I dont mind doing it. I have a ViewModel. THis model exposes a boolean and 2 commands. A con...
I'm restyling a button, and that includes providing a controlTemplate and also adding some triggers (for mouseenter and mouseleave). My XAML is as follows: <Style TargetType="Button"> <Style.Resources> <Color x:Key="ForeColour" R="128" G="128" B="128" A="255"/> <Color x:Key="BackColour" R="211" G="211" B="211" A="...
I love to make efficient apps and often look to concurrency and multithreading to improve application responsiveness and such, but lately my attempts always seem to be blocked by WPF's single-threadedness. No matter how efficient and parallel my code is, WPF seems to continually stall my UI and make my app look incredibly unresponsive--s...
I've got a WPF app that has a listbox which I'm trying to apply some mouseover effects to. It all works fine when I use simple Setters to change the background color on mouseover/selection, but I figured it would look nicer if it animated between states, so I switched the Setters for enter/exit Storyboards. It all works nicely initially ...
I have an extended Calendar control that is bound to a class containing a date and state values. The idea is essentially differentiate between national holidays, state holidays, and personal days off. I render these in different colours using a Converter that inspects the current date against the list of objects associated with the calen...
I'd like to be able to reuse this XAML rather than making a copy and changing the binding path. What's the solution for this? I'm want to display a tick or cross for a boolean column in a data grid. <Image> <Image.Style> <Style TargetType="{x:Type Image}"> <Style.Triggers> <DataTrigger Binding="...
I have seen this question: http://stackoverflow.com/questions/642498/how-to-keep-wpf-textbox-selection-when-not-focused And have implemented the solution there, so that my textbox shows the selection, even when it does not have focus. However, when I change the selection start or length, nothing changes visually in the textbox. Also, ...
I am trying to implement a snap grid using WPF and a canvas. I am thinking my math is off because the UIElement won't snap to the grid in the background. Below is the xaml I use to create the grid and the method I use to try and snap the UIElement to the closest grid line. The method used is fired as soon as the mouse button up event ...
Is there free 3d carousel control available? ...
Dear All, I want to make a Student Management Software using WCF (Visual Studio 2010). I have not made any projects in .NET. I need a lot of Master Screens, Transaction Screens, Reports and so on. How do i go on with this. Is it possible to create menus in WPF and i can create all my options [Student Master, Course Master etc.] in Menus...
How to convert the wpf polygon shape as bitmap image. am tryint to send as Visual parameter to change as bitmap, but it doesnt seems to be working. is there any other way to convert the WPF polygon to bitmap???? am using like below RenderTargetBitmap RTbmap = new RenderTargetBitmap((int)yellowPolygon.Width, (int)yellowPolygon....
hello I use DockingLibrary : http://www.codeproject.com/KB/WPF/WPFdockinglib.aspx but when I want to dock dockablecontent in the center(just in the center) of dockmanager an error raise: object reference not set to an instance of an object note: I use VS2010. what can I do to solve this? ...
Hello, I have a column with long user comments. I load it using following code... <my:DataGridTextColumn Header="Message" Binding="{Binding UserMessage, Mode=OneWay}" CanUserSort="True"> <my:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}" ...
Hi, I am in a trouble with databinding of the tabControl's Content Template. I have that class public class MainWindowViewModel : INotifyPropertyChanged { string _text1 = "text1"; string _text2 = "text2"; string _text3 = "text3"; public string Text1 { get { ...
Hi there, For some reason I have to initialize the ListBox items in behind code, the reason is too complication to tell. The LoadFamily() is called during WPF UserControl show up. public void LoadFamily() { DataTemplate listItemTemplate = this.FindResource("ManDataTemplate") as DataTemplate; foreach (Person man in family) ...
Hi. I have a very simple UserControl as shown below. I'm trying to get the background of the Label element to change whenever a property in the control changes, but it's not working: when I change the Selected property on the control instance, the label's background color does not change. Thanks! Code behind: public static readon...
I'm using RibbonSplitButton of the Microsoft Ribbon for WPF and want to open its dropdown when clicked. I tried to catched the clicked button and set IsDropDownOpen=true but the dropdown open then close immediately. How can I retain the dropdown open? Please help! (Or show me where the correct forum to post this, thank you!) Nam. [...
Hi guys, Is there any way to write the ShowDialog window method (e.g. driversWindow.ShowDialog();) via Xaml? I want that pressing a button will open a dialog window define in the Xaml code Thanks Eran ...
How to get the Elements defined under Control Template in runtime in WPF ...