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What is CTOR? CTOR stands for “click-to-open rate.” It's the percentage of people who opened your email who then clicked a link within that email. You can calculate CTOR by dividing your unique email opens by your unique email clicks and multiplying by 100.
In class-based object-oriented programming, a constructor (abbreviation: ctor) is a special type of subroutine called to create an object. It prepares the new object for use, often accepting arguments that the constructor uses to set required member variables.
What is the average click-to-open-rate? Generally speaking, a good CTOR can range between 20% and 30%. However, as with any metric, it's important to know how you compare with your industry averages.
CTR is the number of clicks as a percentage of the number of times an ad or link was loaded. This is very different to CTOR, which is the percentage of people who clicked out of the number of times an email was opened.
It's just shorthand for "constructor" - and it's what the constructor is called in IL, too. For example, open up Reflector and look at a type and you'll see members called .ctor for the various constructors.
Usually this region should contains the constructors of the class
To expand a little more, there are two kinds of constructors: instance initializers (.ctor), type initializers (.cctor). Build the code below, and explore the IL code in ildasm.exe. You will notice that the static field 'b' will be initialized through .cctor() whereas the instance field will be initialized through .ctor()
internal sealed class CtorExplorer
{
protected int a = 0;
protected static int b = 0;
}
Type "ctor" and press the TAB key twice this will add the default constructor automatically
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