Category Archives: Non classé

Deserialize nested Array property with Stream in JSON.net

Sometimes, you have to deal with importing big data files and the data is not really what you’ve expected. Here is a solution for handling Deserializing data with a nested property (array). You may need to add a Depth parameter … Continue reading

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Optimize IN clause with LINQ Entity Framework with Ranges

Problem Suppose you have this simple query : if ids contains one million number, Linq provider will write a giant query like : You will have an exception because it’s too much for the SQL provider to execute this query.You’ll … Continue reading

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TextBox Autocomplete – Crash AccessViolationException – Workaround

It seems a nogo, but there’s a bug with AutoCompletion on Winforms since years. (.net7 here)The only way to make it work is to set the source only once.If you try to have a dynamic Suggestion, you could set : … Continue reading

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The solution for validating an email address (RFC compliant) in .net C#

It’s a common question : “How can I validate one email address” ? There are 0b10 (2) types of developers : lazy and ignorant. Lazy people always wins, because they do not reinventing the wheel, they prefer to search already done API. Ignorant people will probably use … Continue reading

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WinRT Apps : Slow Compilation when you add WinRT components : Solution

PROBLEM When you create a Blank WinRT project (W8 or WP8.1) with Visual Studio, if you compile as it, it takes : 2 seconds => great ! BUT, if you just add a simple WinRT component library (winmd) as reference and build, it takes 12 to 15 … Continue reading

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Solution to Empty Emulator List (plus 0x80070002) in Windows Phone SDK 8

Sometimes, Visual Studio fails and you can’t do anything. You can repair or reinstall but in this case it’s not works. PROBLEM : You can’t see any Emulators on Visual Studio : and when you try to compile it throws … Continue reading

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Solution for blurry rendering with DirectX11 on Windows Phone 8

If you experienced a global blurry rendering on your screen when you use DirectX11 on your Windows Phone 8, you probably fails a thing : The swapchain size must be the screen size (means portrait), not the landscape size. So  : swapChainDesc.Width = 800;// swapChainDesc.Height = … Continue reading

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Solution for Error ERROR_DLL_INIT_FAILED while Loading winmd file in Windows RT

If you experienced the Exception : Error in the DLL (Exception from HRESULT: 0x8007045a (ERROR_DLL_INIT_FAILED)) The solution is simple : You have to remove the main function. (I know, why the fonction “main” is called with DLL? idk :))

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Solution for Error CO_E_ERRORINDLL while Loading winmd file in Windows Phone 8

If you experienced the Exception : Error in the DLL (Exception from HRESULT: 0x800401F9 (CO_E_ERRORINDLL)) The solution is simple : You Must Add the _WINRT_DLL flag in the compiler definitions.

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Windows Phone Store 8 shows neutral titles instead of localized titles

Dear you, I experienced a bug in the Windows Phone 8 Store : I localized my app titles with the AppResLib.dll (& mui) and the tiles title were ok in the phone but the WP8 Store shown only the neutral language title. (on WP7 Store only, … Continue reading

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