使用反射调用属性的方法 [英] Using Reflection to call a method of a property

问题描述

我试图做的是调用属性的方法，使用反射。我有原来的控制（一个ComboBox），属性的的PropertyInfo（ComboBox.Items）和方法的名称（ComboBox.Items.Add）。我试着下面的代码来获得，改变设置，但由于项目没有一个二传手这是行不通的。

What I'm trying to do is call the method of a property, using Reflection. I have the original Control (a ComboBox), the PropertyInfo of the property (ComboBox.Items) and the name of the method (ComboBox.Items.Add). I've tried the code below to get, alter, set but it doesn't work because Items doesn't have a setter.

PropertyInfo p  = controlType.GetProperty(propertyName); // gets the property ('Items')
MethodInfo m    = p.PropertyType.GetMethod(methodName); // gets the method ('Items.Add')
object o        = p.GetValue(newControl, null);         // gets the current 'Items'

m.Invoke(o, new object[] { newValue });                 // invokes 'Add' which works
p.SetValue(newControl, o, null);                         // exception: 'Items' has no setter

有没有人有任何意见

Does anyone have any advice?

感谢

推荐答案

这是快...我改变了调用行..

That was quick... I changed the Invoke line to...

m.Invoke(p.GetValue(newControl, null), new object[] { newValue });

...和它的工作：P

...and it worked :P

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