design-time – Tarik Billa

How to see design-time data-binding in XAML editor (it works in runtime)?

January 1, 2024 by Tarik

Make sure that you have these definitions at the root tag of your xaml file (in your case the Window tag): xmlns:mc=”http://schemas.openxmlformats.org/markup-compatibility/2006″ xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″ mc:Ignorable=”d” Then, anywhere in the xaml (including the root tag) you can add this: d:DataContext=”{d:DesignInstance myNamespace:MyViewModel, IsDesignTimeCreatable=True}” Now you just need to make sure that you initialize the values in a constructor … Read more

Baseline snaplines in custom Winforms controls

September 17, 2023 by Tarik

As an update to the Miral’s answer.. here are a few of the “missing steps”, for someone new that’s looking how to do this. 🙂 The C# code above is almost ‘drop-in’ ready, with the exception of changing a few of the values to reference the UserControl that will be modified. Possible References Needed: System.Design … Read more

Published interface properties bug and workarounds

June 9, 2023 by Tarik

To summarize, the problem happens only with published interface properties that have a getter method, and the property points to component on another form/module (and that form/module is not recreated yet). In such case restoring form DFM causes an AV. I’m pretty sure the bug is in the ASM code in GetOrdProp, but it’s beyond … Read more

What approaches are available to dummy design-time data in WPF?

January 6, 2023 by Tarik

Using VS2010 you can use Design-Time attributes (works for both SL and WPF). I usually have a mock data-source anyway so it’s just a matter of: Adding the namespace declaration xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″ Adding the mock data context to window/control resources <UserControl.Resources> <ViewModels:MockXViewModel x:Key=”DesignViewModel”/> </UserControl.Resources> Setting design-time data context <Grid d:DataContext=”{Binding Source={StaticResource DesignViewModel}}” … Works well enough.