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Async/await vs BackgroundWorker
In the past few days I have tested the new features of .net 4.5 and c# 5.
4 Answers
4
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No Main() in WPF?
...ies as necessary). Look in obj/debug for an app file; I have (courtesy of "C# 2010 Express") App.g.i.cs with:
namespace WpfApplication1 {
/// <summary>
/// App
/// </summary>
[System.CodeDom.Compiler.GeneratedCodeAttribute("PresentationBuildTasks", "4.0.0.0")]
publ...
Should 'using' directives be inside or outside the namespace?
I have been running StyleCop over some C# code, and it keeps reporting that my using directives should be inside the namespace.
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WPF Auto height in code
How could I set the value of the Height property of a WPF control in C# code to " Auto "?
2 Answers
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How do I initialize an empty array in C#?
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@Oded -- Thanks, I'm fairly new to C#. In VB, the index provided is the upper bound, not the number of elements.
– rory.ap
Sep 27 '13 at 15:47
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What is a singleton in C#?
...he singleton premise is a pattern across software development.
There is a C# implementation "Implementing the Singleton Pattern in C#" covering most of what you need to know - including some good advice regarding thread safety.
To be honest, It's very rare that you need to implement a singleton - ...
How does lock work exactly?
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The lock statement is translated by C# 3.0 to the following:
var temp = obj;
Monitor.Enter(temp);
try
{
// body
}
finally
{
Monitor.Exit(temp);
}
In C# 4.0 this has changed and it is now generated as follows:
bool lockWasTaken = false;
var temp = ...
What is the best way to iterate over a dictionary?
I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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Declare a const array
...e-time. The array initializer you've shown is not a constant expression in C#, so it produces a compiler error.
Declaring it readonly solves that problem because the value is not initialized until run-time (although it's guaranteed to have initialized before the first time that the array is used).
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