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Questions tagged [convertall]

13 questions
13
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4 answers

Converting a list of ints to a byte array

I tried to use the List.ConvertAll method and failed. What I am trying to do is convert a List to byte[] I copped out and went this route, but I need to figure out the ConvertAll method... List integers... internal byte[]…
MQS
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C# List .ConvertAll Efficiency and overhead

I recently learned about List's .ConvertAll extension. I used it a couple times in code today at work to convert a large list of my objects to a list of some other object. It seems to work really well. However I'm unsure how efficient or fast this…
mBrice1024
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C# merge two lists into one list like Enumerable.ConvertAll

I want to convert two lists with the same index into a single list. Given this: List ListA = new List { 1, 2, 3, 4, 5 }; List ListB = new List { "A","B","C","D","E" }; until now, I used this: List…
jyje
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4 answers

why does C# convertall require 2 parameters

I have an array of Car objects I want to conver them to a list of Vehicle objects I thought this would work Vehicle[] vehicles = cars.ConvertAll(car=> ConvertToVehicle(car)).ToArray(); but its complaining that ConvertAll requires two…
leora
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1 answer

Converter And ConvertAll alternative for UWP C#

I am creating an app in UWP and actually noticed that the System.Converter and Array.ConvertAll functions doesn't exist in there... Why ? :/ Is there any way I could get them ?
Ahmad45123
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visual studio 2017 debugger does not show variables when C# Array.ConvertAll is used

When I use C# Array.ConvertAll, the variable in the body of the converter function is not visible any more in the debugger in Visual Studio 2017. For example in: public static void Test() { Vector3[] OriginalArray = new Vector3 [3]{ new…
isgoed
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Powershell - How-to use $List.convertAll() or alternate C# method to clone a list

Suppose I have a list: $DeletedUsers = New-Object System.Collections.Generic.List[System.object] So I can easily add and remove users from the collection. I want to be able to pass this list to a function that does something, but without modifying…
Phatmandrake
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Method chaining generic list extensions

I have a List of a "complex" type - an object with a few string properties. The List itself is a property of another object and contains objects of a variety of types, as shown in this abbreviated class structure: Customer { public…
cori
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C# - generic List and ConvertAll() Method, how does it internally work?

from some code I found in Sacha Barbers free mvvm framework chinch I saw this: return new DispatcherNotifiedObservableCollection( DataAccess.DataService.FetchAllOrders( …
msfanboy
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Exposing a List via an IList

I have a private member of type List where the T are rich domain objects. The domain in my application contains many methods that expect a T. I want to expose only a public property of type IList where T : IT. IT has a small footprint which…
Stefan de Kok
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Using Linq ConvertAll to create a backup of a list before altering the list

I'm working on a project where I have a list of objects with a nested list of which I want to make a backup before I update the original list. I'm close but I'm having trouble finding the correct syntax so I hope you can help me out here. This is…
Cainnech
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How do I convert a string array to a byte array using Array ConvertAll?

I can convert string[] to byte[] like in the following code: byte[] k = {255, 150, 155, 255, 255, 255, 255, 255, 255, 255, 55, 55, 15, 55, 155, 55}; string st = BitConverter.ToString(Array.ConvertAll(k, Convert.ToByte)); byte[] kk = new…
IshiRaj Inam
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C# ConvertAll syntax

I'm trying to understand the syntax for ConvertAll in C#, and despite looking at several examples and trying to copy them, I can't get the following line containing s2 to compile; VSE2013 says "Error 1 No overload for method 'ConvertAll'…
user3150422
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