I'm trying to implement the MVVM pattern in WPF. I've followed Jeremy Alles's Very simple MVVM demo application. I have a ListBox that has a binding to an ObservableCollection: <ListBox Name="myListBox" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding Persons}"> <ListBox.ItemTemplate> <DataTemplate> ...
I have a .xaml file and a .cs file that share value with Binding. To make it simples, I have 1 button and 1 textbox. I want to button to be disabled when the textbox's text has no character. Here is the two codes of the xaml for binding: <TextBox Name="txtSend" Text="{Binding Path=CurrentText,UpdateSourceTrigger=PropertyChanged}"></...
hello i have a window(wpf) with labels and text boxes, i want him to fit to the screen resolution as much as possible, how do i do it ...
In WPF is there some mechanisim to reuse the property setters amoung differant triggers? For example I have the following. <Style TargetType="{x:Type Label}"> <Style.Triggers> <DataTrigger Binding="{Binding}" Value="{x:Null}"> <Setter Property="Content" Value="...
Hi, I've upgraded WPF application to Visual Studio 2k8. App is .NET 3.0 which is set as a platform in the project. If I build project & release confiuguration, app is running well. If I try to publish it using ClickOnce, it is crashing because xaml resources couldn't be find. Any idea? Thank you very much. P.S. It seem that XAML r...
I have a lot of pre-existing BMPs (and our clients have pre-existing bmps as well) that prevent us from simply converting them to PNGs. How does one get WPF to respond to the transparency techniques formerly used in winforms? Thanks, jeff ...
I have a TextBlock inside a limited-size control. If the text is too long to fit into the control, I'd like to show a tooltip with full text. This is a classic behavior you surely know from many apps. I tried using a Converter to convert TextBlock width into Tooltip's Visibility. <GridViewColumn.CellTemplate> <DataTemplate> ...
I have a background thread updating an array. At timed intervals I call myDataGrid.Items.Refresh(). However nothing changes on the screen. But when I for instance click on the column heading of the data grid on the screen the information is actualized immediately. I like to see the changes on the screen at timed intervals, for instanc...
Hello, I'm writting an WPF application using the mvvm toolkint. In the main windows I have a command in a button that open another window using: catView.ShowDialog(); Well, I close that window (using a close button or the X) and when I close the main window, the app is still running and I have to kill it. If I don't open the second ...
I have an IValueConverter whose job it is to convert a BlockId to a ConditionLabel. The problem is that my Model object is what has the smarts to do the actual conversion. My code looks like this so far... public class BlockIdToConditionLabelConverter : IValueConverter { private Model _model; public BlockIdToConditionLabelConve...
Hi, Does anyone know of any good resources relating to UI design, specifically focusing on WPF and touchscreens? Thanks for your time ...
I have this ItemsControl in my View: <ItemsControl ItemsSource="{Binding ItemPageItemViewModels}" ItemTemplate="{StaticResource ItemPageItemViewModelsTemplate}"/> And above it I have this DataTemplate which renders all the items: <DataTemplate x:Key="ItemPageItemViewModelsTemplate"> <TextBlock Text="{Binding Title}"/> </...
Hello: I have a time sheet type of presentation, which is currently using three (3) datagridview controls on a winform as follows: 1) projectGrid - rows are variable, with one for however many projects were worked on that week (typical is 1 to 5 for most users). 2) nonProjectGrid - four rows of fixed activities one can record time spe...
Okay, similar questions exist, but they are all about how to determine this from outside of the entity itself and use the DataContext the entity is attached to. I am binding my entities to an edit form in WPF. Within a DataTemplate, I want to be able to set the background color of the root container within a DataTemplate to show it has...
I'm making a UserControl that is a child of a StackPanel. When it's content changes the size of the control should also change. How should the UserControl notify the StackPanel (or any other container control) that it's size has changed? For example, if you have a Label control and change the Content element then it will be resized. How...
I'm using a TreeView to let the user navigate a complex data structure more easily. I'm trying to add a feature to my application so my users can add new items to the datastucture by clicking a button on a toolbar. This new item has 3 levels, each with 1 item. I would like to select the item in the lowest level. Adding the data isn't a ...
Hi. I have a custom control (from MS Toolkit - DatePicker). I've made my own style like this: <Style TargetType="{x:Type local:DatePicker}"> But this style does not apply automatically. I have to add Key: <Style x:Key="DatePickerStyle" TargetType="{x:Type local:DatePicker}"> and reference it in each custom control like <toolkit:...
Hi, I have a button in my Main window, on the click of this button the Main window should be reloaded. How to achieve this? Please reply Thanks Sharath ...
Hey guys, How do I assing in memory Bitmap object to Image control in WPF?? PS: I googled about it but no luck :( ...
How to do this? ...