using System;
using System.Reflection;
using System.Globalization;
public class MyClass
{
private string myString;
public MyClass()
{
myString = "Old value";
}
string GetField
{
get
{
return myString;
}
}
}
public class FieldInfo_SetValue
{
public static void Main()
{
try
{
MyClass myObject = new MyClass();
Type myType = Type.GetType("MyClass");
FieldInfo myFieldInfo = myType.GetField("myString", BindingFlags.NonPublic | BindingFlags.Instance);
// Display the string before applying SetValue to the field.
Console.WriteLine( " The field value of myString is {0}.", myFieldInfo.GetValue(myObject));
// Display the SetValue signature used to set the value of a field.
Console.WriteLine( "Applying SetValue(Object, Object).");
// Change the field value using the SetValue method.
myFieldInfo.SetValue(myObject, "New value");
// Display the string after applying SetValue to the field.
Console.WriteLine( "The field value of mystring is {0}.", myFieldInfo.GetValue(myObject));
// Set the field value to its old value.
myFieldInfo.SetValue( myObject , "Old value" );
myFieldInfo = myType.GetField("myString", BindingFlags.NonPublic | BindingFlags.Instance);
// Display the string before applying SetValue to the field.
Console.Write( " The field value of mystring is {0}. ", myFieldInfo.GetValue(myObject));
// Display the SetValue signature used to set the value of a field.
Console.WriteLine("Applying SetValue(Object, Object, BindingFlags, Binder, CultureInfo).");
// Change the field value using the SetValue method.
myFieldInfo.SetValue(myObject, "New value", BindingFlags.Public, null, null);
// Display the string after applying SetValue to the field.
Console.WriteLine( "The field value of mystring is {0}.", myFieldInfo.GetValue(myObject));
}
catch( Exception e )
{
// Any exception generated is displayed.
Console.WriteLine( "Exception: {0}", e.Message );
}
}
}
using System.Reflection;
using System.Globalization;
public class MyClass
{
private string myString;
public MyClass()
{
myString = "Old value";
}
string GetField
{
get
{
return myString;
}
}
}
public class FieldInfo_SetValue
{
public static void Main()
{
try
{
MyClass myObject = new MyClass();
Type myType = Type.GetType("MyClass");
FieldInfo myFieldInfo = myType.GetField("myString", BindingFlags.NonPublic | BindingFlags.Instance);
// Display the string before applying SetValue to the field.
Console.WriteLine( " The field value of myString is {0}.", myFieldInfo.GetValue(myObject));
// Display the SetValue signature used to set the value of a field.
Console.WriteLine( "Applying SetValue(Object, Object).");
// Change the field value using the SetValue method.
myFieldInfo.SetValue(myObject, "New value");
// Display the string after applying SetValue to the field.
Console.WriteLine( "The field value of mystring is {0}.", myFieldInfo.GetValue(myObject));
// Set the field value to its old value.
myFieldInfo.SetValue( myObject , "Old value" );
myFieldInfo = myType.GetField("myString", BindingFlags.NonPublic | BindingFlags.Instance);
// Display the string before applying SetValue to the field.
Console.Write( " The field value of mystring is {0}. ", myFieldInfo.GetValue(myObject));
// Display the SetValue signature used to set the value of a field.
Console.WriteLine("Applying SetValue(Object, Object, BindingFlags, Binder, CultureInfo).");
// Change the field value using the SetValue method.
myFieldInfo.SetValue(myObject, "New value", BindingFlags.Public, null, null);
// Display the string after applying SetValue to the field.
Console.WriteLine( "The field value of mystring is {0}.", myFieldInfo.GetValue(myObject));
}
catch( Exception e )
{
// Any exception generated is displayed.
Console.WriteLine( "Exception: {0}", e.Message );
}
}
}
===============================
http://kb.cnblogs.com/page/42051/