Questions tagged [parameterinfo]
15 questions
15
votes
3 answers
Difference between ParameterInfo.IsOptional and ParameterInfo.HasDefaultValue?
They both sound similar. From msdn:
ParameterInfo.IsOptional
Gets a value indicating whether this parameter is optional.
This method depends on an optional metadata flag. This flag can be
inserted by compilers, but the compilers are not obligated…
nawfal
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8
votes
3 answers
How to do automatic type conversion for parameters when invoking a method using reflection in C#?
I have a need to invoke methods on a type through reflection using C#.
At run-time, my data will consist of a Dictionary containing name/value pairs. The names in the Dictionary will correspond to parameter names on the method I will invoke. Also,…
Nik Kalyani
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7
votes
4 answers
How to determine if ParameterInfo is of generic type?
I have a MethodInfo of a GenericMethodDefinition. Such as: CallMethod(T arg, string arg2). The GetParameters() method will give me two ParameterInfo objects, the first of which is generic, the second of which is not. How can I get…
smartcaveman
- 41,281
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6
votes
1 answer
ParameterInfo properties, attributes and out ref parameters of the methods
Well, I'm confused by the properties of the ParameterInfo class.
Unfortunately documentation is not very clear: examples show how to build methods but don't show how these methods look in C#.
Cane somebody tell more about these…
Pavel Voronin
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3
votes
1 answer
Assign value to method parameter
Imagine a method with the following signature:
public void ExampleMethod(string id, object data,
ref object A, ref object B, ref object C)
{
//...
}
The value in data needs to be assigned to either A, B, C or nothing,…
David Rutten
- 4,716
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3
votes
2 answers
How to dereference ParameterType for parameters passed by ref
I have the following code-snippet (it is just an example to point out my problem to which I am finding a solution):
public class Test
{
public enum myEnum
{
myEnum1,
myEnum2,
}
public static void Refer(out int a, int…
user5218174
2
votes
0 answers
Parameter documentation (info) not showing in Visual Studio Code
I'm just wondering how it is that I can't see the parameter documentation on String.Format (C#) in Visual Studio Code.
Here's the example of Console.WriteLine (using Ctrl+Shift+Space):
Here's the example "not working" using String.Format:
I'm…
pdvries
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2
votes
2 answers
Testing whether a method has a specific signature using Reflection
I'm writing an abstract class which (in its constructor) collects all static methods that adhere to a certain signature. The methods it collects must look like:
static ConversionMerit NAME(TYPE1, out TYPE2, out string)
Where I don't care about…
David Rutten
- 4,716
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2
votes
2 answers
How to determine if a ParameterInfo is a return parameter
How can one determine if a ParameterInfo is a Return Parameter?
I wrote the function below, but I'm concerned that I may be missing something:
public bool IsReturnParameter(ParameterInfo parameter){
var method = parameter.Member as MethodInfo;
…
smartcaveman
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1
vote
2 answers
How to tell if ParameterInfo type is a collection?
Is there a way to check whether ParameterInfo is a Collection?
I have tried this:
ConstructorInfo[] constructorInfos = typeof(T).GetConstructors();
ConstructorInfo constructorInfo = constructorInfos[0];
ParameterInfo[] paramsVar =…
DevDave
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0
votes
0 answers
WebStorm huge Parameter Info popup size
Recently I've noticed that when I use Ctrl + P to see parameters in function it creates really huge popup window, but earlier everything was fine
I've pressed Ctrl + P in a function and it created a huge popup window, but I expected little popup.
0
votes
0 answers
How does CLion show parameters' name when parameter popup in macro?
The parameters' name will appear.
But when it is defined in a marco, it disappeared:
Is here a way to display the name of parameters in macro? or just it is a feature of CLion?
0
votes
1 answer
How to get the ParameterInfo of a function with variable number of params?
How to get the ParameterInfo of a function with variable number of params?
The problem is when I call the method
MyFunction(object o1, out object o2);
I can get the parameterInfo of sendData but not the o1 and o2 object.
protected object[]…
BobyFish
- 11
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0
votes
1 answer
One method to read parameters, properties and return types at runtime using C#
With continutation to my earlier thread Using reflection read properties of an object containing array of another object. I am hoping to make this wonderful method from EvgK a generic method that can be used in multiple places in my code…
Sri Reddy
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0
votes
1 answer
How to get the method name used in lambda that was passed a parameter
The parameter in the AssertManager.Record is in action but i need the value inside the lambda action which is the asserts.So i need to get what type of assertion i used which i passed from one class to another. I used lambda expression for certain…
Midnight Phantom
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