using System;
using System.Reflection;
namespace FolderSelect
{
///
/// This class is from the Front-End for Dosbox and is used to present a 'vista' dialog box to select folders.
/// Being able to use a vista style dialog box to select folders is much better then using the shell folder browser.
/// http://code.google.com/p/fed/
///
/// Example:
/// var r = new Reflector("System.Windows.Forms");
///
public class Reflector
{
#region variables
string m_ns;
Assembly m_asmb;
#endregion
#region Constructors
///
/// Constructor
///
/// The namespace containing types to be used
public Reflector(string ns)
: this(ns, ns)
{ }
///
/// Constructor
///
/// A specific assembly name (used if the assembly name does not tie exactly with the namespace)
/// The namespace containing types to be used
public Reflector(string an, string ns)
{
m_ns = ns;
m_asmb = null;
foreach (AssemblyName aN in Assembly.GetExecutingAssembly().GetReferencedAssemblies())
{
if (aN.FullName.StartsWith(an))
{
m_asmb = Assembly.Load(aN);
break;
}
}
}
#endregion
#region Methods
///
/// Return a Type instance for a type 'typeName'
///
/// The name of the type
/// A type instance
public Type GetType(string typeName)
{
Type type = null;
string[] names = typeName.Split('.');
if (names.Length > 0)
type = m_asmb.GetType(m_ns + "." + names[0]);
for (int i = 1; i < names.Length; ++i) {
type = type.GetNestedType(names[i], BindingFlags.NonPublic);
}
return type;
}
///
/// Create a new object of a named type passing along any params
///
/// The name of the type to create
///
/// An instantiated type
public object New(string name, params object[] parameters)
{
Type type = GetType(name);
ConstructorInfo[] ctorInfos = type.GetConstructors();
foreach (ConstructorInfo ci in ctorInfos) {
try {
return ci.Invoke(parameters);
} catch { }
}
return null;
}
///
/// Calls method 'func' on object 'obj' passing parameters 'parameters'
///
/// The object on which to excute function 'func'
/// The function to execute
/// The parameters to pass to function 'func'
/// The result of the function invocation
public object Call(object obj, string func, params object[] parameters)
{
return Call2(obj, func, parameters);
}
///
/// Calls method 'func' on object 'obj' passing parameters 'parameters'
///
/// The object on which to excute function 'func'
/// The function to execute
/// The parameters to pass to function 'func'
/// The result of the function invocation
public object Call2(object obj, string func, object[] parameters)
{
return CallAs2(obj.GetType(), obj, func, parameters);
}
///
/// Calls method 'func' on object 'obj' which is of type 'type' passing parameters 'parameters'
///
/// The type of 'obj'
/// The object on which to excute function 'func'
/// The function to execute
/// The parameters to pass to function 'func'
/// The result of the function invocation
public object CallAs(Type type, object obj, string func, params object[] parameters)
{
return CallAs2(type, obj, func, parameters);
}
///
/// Calls method 'func' on object 'obj' which is of type 'type' passing parameters 'parameters'
///
/// The type of 'obj'
/// The object on which to excute function 'func'
/// The function to execute
/// The parameters to pass to function 'func'
/// The result of the function invocation
public object CallAs2(Type type, object obj, string func, object[] parameters) {
MethodInfo methInfo = type.GetMethod(func, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
return methInfo.Invoke(obj, parameters);
}
///
/// Returns the value of property 'prop' of object 'obj'
///
/// The object containing 'prop'
/// The property name
/// The property value
public object Get(object obj, string prop)
{
return GetAs(obj.GetType(), obj, prop);
}
///
/// Returns the value of property 'prop' of object 'obj' which has type 'type'
///
/// The type of 'obj'
/// The object containing 'prop'
/// The property name
/// The property value
public object GetAs(Type type, object obj, string prop) {
PropertyInfo propInfo = type.GetProperty(prop, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
return propInfo.GetValue(obj, null);
}
///
/// Returns an enum value
///
/// The name of enum type
/// The name of the value
/// The enum value
public object GetEnum(string typeName, string name) {
Type type = GetType(typeName);
FieldInfo fieldInfo = type.GetField(name);
return fieldInfo.GetValue(null);
}
#endregion
}
}