The collection of properties assigned to a class defines the class. A class can have multiple properties. For example, objects classified as computers have the following properties: Hardware ID, Manufacturer, Model, and Serial Number.
A List class can be used to create a collection of any type. For example, we can create a list of Integers, strings and even any complex types. Unlike arrays, a List can grow in size automatically in other words a list can be re-sized dynamically but arrays cannot. List is a generic type.
Properties do not name the storage locations. Instead, they have accessors that read, write, or compute their values. For example, let us have a class named Student, with private fields for age, name, and code.
Property in C# is a member of a class that provides a flexible mechanism for classes to expose private fields. Internally, C# properties are special methods called accessors. A C# property have two accessors, get property accessor and set property accessor.
Reflection; for an instance:
obj.GetType().GetProperties();
for a type:
typeof(Foo).GetProperties();
for example:
class Foo {
public int A {get;set;}
public string B {get;set;}
}
...
Foo foo = new Foo {A = 1, B = "abc"};
foreach(var prop in foo.GetType().GetProperties()) {
Console.WriteLine("{0}={1}", prop.Name, prop.GetValue(foo, null));
}
Following feedback...
null
as the first argument to GetValue
GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
(which returns all public/private instance properties ).You can use Reflection to do this: (from my library - this gets the names and values)
public static Dictionary<string, object> DictionaryFromType(object atype)
{
if (atype == null) return new Dictionary<string, object>();
Type t = atype.GetType();
PropertyInfo[] props = t.GetProperties();
Dictionary<string, object> dict = new Dictionary<string, object>();
foreach (PropertyInfo prp in props)
{
object value = prp.GetValue(atype, new object[]{});
dict.Add(prp.Name, value);
}
return dict;
}
This thing will not work for properties with an index - for that (it's getting unwieldy):
public static Dictionary<string, object> DictionaryFromType(object atype,
Dictionary<string, object[]> indexers)
{
/* replace GetValue() call above with: */
object value = prp.GetValue(atype, ((indexers.ContainsKey(prp.Name)?indexers[prp.Name]:new string[]{});
}
Also, to get only public properties: (see MSDN on BindingFlags enum)
/* replace */
PropertyInfo[] props = t.GetProperties();
/* with */
PropertyInfo[] props = t.GetProperties(BindingFlags.Public)
This works on anonymous types, too!
To just get the names:
public static string[] PropertiesFromType(object atype)
{
if (atype == null) return new string[] {};
Type t = atype.GetType();
PropertyInfo[] props = t.GetProperties();
List<string> propNames = new List<string>();
foreach (PropertyInfo prp in props)
{
propNames.Add(prp.Name);
}
return propNames.ToArray();
}
And it's just about the same for just the values, or you can use:
GetDictionaryFromType().Keys
// or
GetDictionaryFromType().Values
But that's a bit slower, I would imagine.
public List<string> GetPropertiesNameOfClass(object pObject)
{
List<string> propertyList = new List<string>();
if (pObject != null)
{
foreach (var prop in pObject.GetType().GetProperties())
{
propertyList.Add(prop.Name);
}
}
return propertyList;
}
This function is for getting list of Class Properties.
Based on @MarcGravell's answer, here's a version that works in Unity C#.
ObjectsClass foo = this;
foreach(var prop in foo.GetType().GetProperties()) {
Debug.Log("{0}={1}, " + prop.Name + ", " + prop.GetValue(foo, null));
}
You could use the System.Reflection
namespace with the Type.GetProperties()
mehod:
PropertyInfo[] propertyInfos;
propertyInfos = typeof(MyClass).GetProperties(BindingFlags.Public|BindingFlags.Static);
That's my solution
public class MyObject
{
public string value1 { get; set; }
public string value2 { get; set; }
public PropertyInfo[] GetProperties()
{
try
{
return this.GetType().GetProperties();
}
catch (Exception ex)
{
throw ex;
}
}
public PropertyInfo GetByParameterName(string ParameterName)
{
try
{
return this.GetType().GetProperties().FirstOrDefault(x => x.Name == ParameterName);
}
catch (Exception ex)
{
throw ex;
}
}
public static MyObject SetValue(MyObject obj, string parameterName,object parameterValue)
{
try
{
obj.GetType().GetProperties().FirstOrDefault(x => x.Name == parameterName).SetValue(obj, parameterValue);
return obj;
}
catch (Exception ex)
{
throw ex;
}
}
}
Try this:
var model = new MyObject();
foreach (var property in model.GetType().GetProperties())
{
var descricao = property;
var type = property.PropertyType.Name;
}
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