George Birbilis' blog

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How to crash Visual Studio 2010 via (Silverlight) XAML recursion bug 12 Ιουλίου 12 04:42 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Following up on a note about Visual Studio 2010 crashing at my previous post, this is the XAML that crashes VS2010 when opened up in a Silverlight project: <UserControl x:Class="SilverlightApplication1.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400"> <UserControl.Resources> <ResourceDictionary> <Style x:Key="MyStyle" TargetType="StackPanel"> <Setter Property="Margin" Value="0,5,0,5" [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Fail, Silverlight, VisualStudio, XAML, Errors, ClipFlair, Styles, Recursion
How to space StackPanel items in XAML (has no Padding property) 11 Ιουλίου 12 01:34 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: While adding some properties to the back panels of ClipFlair windows, I came upon the issue of how to space items in a StackPanel. A Padding property is missing from multiple item containers (only single content controls have such), but a nice solution is described at: http://stackoverflow.com/questions/932510/how-do-i-space-out-the-child-elements-of-a-stackpanel Sergey Aldoukhov suggested there (WPF example): Use Margin [...]

Δημοσίευση στην κατηγορία: .NET, Posts, WPF, Silverlight, XAML, ClipFlair, HowTo, Layout, Padding, Margin, StackPanel
Collection of useful links for .NET, Silverlight, WPF etc. development 05 Ιουλίου 12 12:22 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: During the development of ClipFlair (currently at Alpha1-internal version), I’ve been doing lots of research, hunting for information (documentation, related discussion threads, useful download links) needed when writing and refactoring source code etc. I have tried to organize these links as (Windows) Internet shortcut files into folders. They do need some further restructuring, but they [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Downloads, WPF, Silverlight, Programming, Documentation, ClipFlair, Information, Development, Links, Reference
C# Using Alias Directive, Namespace Alias Qualifier and a sad story 04 Ιουλίου 12 10:45 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Following up on my last post: http://zoomicon.wordpress.com/2012/07/04/how-to-compile-code-that-uses-wpf-decorator-type-in-silverlight/ I’m copying from a mental note I added to: http://stackoverflow.com/questions/4936941/using-a-using-alias-class-with-generic-types/11334359: As shown at: http://msdn.microsoft.com/en-us/library/sf0df423.aspx and http://msdn.microsoft.com/en-us/library/c3ay4x3d%28VS.80%29.aspx you can do: using gen = System.Collections.Generic; using GenList = System.Collections.Generic.List<int>; and then use gen::List<int> x = new gen::List<int>; or GenList x = new GenList(); However: you have to replicate those using [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Help, C#, Namespaces, Qualifier, Using Directive, Type Aliases, Forums
How to compile code that uses WPF Decorator type in Silverlight 04 Ιουλίου 12 09:57 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: At ClipFlair I’m using a modified version of FloatingWindow control, where I try to make the WPF and Silverlight flavours of the original control share as much code as possible (this is work in progress currently, hoping to eventually have the WPF and Silverlight projects both link to the same source files [this is currently [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Compatibility, WPF, Silverlight, ClipFlair, Extensions, Decorator, Border, Alias Types
Why I don’t see static extension support for constructors in C# coming 02 Ιουλίου 12 12:30 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I was hoping C# would someday add static extension support for constructors too (apart from classic methods), that would help a lot in source-level compatibility layers (for example at my WPF_Compatibility project for WPF syntax in Silverlight, which one can find under the ClipFlair source base). However, according to : http://mrpmorris.blogspot.gr/2007/01/net-calling-base-constructors-in-c.html Anders Hejlsberg (father of [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Extensions, OOP, Type Safety, Constructors, C#, Immutability
Fix: The tag XXX does not exist in XML namespace ‘clr-namespace:YYY’ 02 Ιουλίου 12 12:18 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I just had some big trouble troubleshooting the Visual Studio / XAML compiler error message: The tag XXX does not exist in XML namespace ‘clr-namespace:YYY’ It turned out this occurred because I had a Silverlight library with Assembly name X and default namespace X (at properties pane), but was using it from a demo project [...]

Δημοσίευση στην κατηγορία: .NET, Tags, Posts, VisualStudio, XAML, Fix, Troubleshooting, XML, Namespaces
HowTo: Load a XAML ResourceDictionary from a .NET assembly 11 Ιουνίου 12 07:08 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Copying here my answer at: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/11a42336-8d87-4656-91a3-275413d3cc19 What seems to work for me is the following (copying from the source code of http://ClipFlair.codeplex.com [currently under development]) note I’m using Build Action = "Page" and Custom Tool="MSBuild:Compile" at the properties of Themes\DropDownTheme.xml and Themes\RotateHorizontalTheme.xaml, as was for Themes\Generic.xaml. Seems to work OK (probably this is faster at [...]

Δημοσίευση στην κατηγορία: .NET, UI, Posts, Resources, Samples, XAML, Themes, Controls, DLL, ResourceDictionary, Templates, Styles
What to do if Generic.xaml doesn’t get loaded for WPF control 10 Ιουνίου 12 05:26 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Just came across http://wangmo.wordpress.com/2007/09/27/themesgenericxaml/ which gave me a hint on why a WPF control wasn’t getting instantiated correctly when loaded from an external assembly (dll): to load generic.xaml for WPF, at the start of Properties\AssemblyInfo.cs you need (note this isn’t used/needed in Silverlight): using System.Windows; and at the end of Properties\AssemblyInfo.cs you need: [assembly: ThemeInfo( [...]

Δημοσίευση στην κατηγορία: .NET, UI, Posts, WPF, Troubleshooting, Generic.xaml, Controls
workaround: Silverlight Rect class missing ‘bool Contains(Rect)’ method 29 Απριλίου 12 08:20 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I’ve been looking into porting Kael Rowan’s ZoomableCanvas (related to ZUI code used in Code Canvas, Debugger Canvas etc. VisualStudio add-ons) from WPF to Silverlight. One of the issues I found was that Silverlight’s Rect class (I guess this is a case for .NET Compact Framework in general) doesn’t have a method to check if [...]

Δημοσίευση στην κατηγορία: .NET, Posts, WPF, Silverlight, Extensions, ZUI, Rect, Contains
VB gotcha: when If function isn’t equivalent to an If-Then-Else block 25 Νοεμβρίου 11 01:07 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Just got bitten by the following: Dim takeN As Integer = If(Integer.TryParse(EdTake.Text, takeN), takeN, itemsCount) I had used that instead of writing in 2 lines: Dim takeN As Integer If not Integer.TryParse(EdTake.Text, takeN) then takeN = itemsCount However, there’s an important difference: “If” is a function, so its arguments are evaluated at call-time. The “If” [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Bugs, Structured, ByVal, Functions, Programming, ByName, Compiler, VB, ByRef, If
Gotchas at Wait for a shelled app to finish (with/out timeout) with .NET 21 Σεπτεμβρίου 11 06:47 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I came across a useful Microsoft Support sample called “How to wait for a shelled application to finish by using Visual Basic 2005 or Visual Basic .NET” at http://support.microsoft.com/kb/305368 However, note that there are several gotchas with the code supplied there (just informed Microsoft on that, hope they take notice). Also the article points to [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Issues, Termination, Samples, Process, Timeout
ADO.net DataSet – Watch out for AcceptChanges – Don’t do before Update 02 Σεπτεμβρίου 09 08:46 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I’ve been recently writing a small program in ADO.net, using DataSet classes (using Visual Studio dataset designer) to import Biblionet data on greek books into an osCommerce shop ( MySQL database) and was wandering why it seemed to work ok, but never wrote anything in the database. I started wandering whether it was an issue with the MySQL .NET Connector (this is ver 6.0, see latest
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