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标题:
【原创】通过反射为实例方法创建开放委托
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作者:
faunus
时间:
2014-2-27 08:41
标题:
【原创】通过反射为实例方法创建开放委托
C#可以创建开放委托和闭和委托,在默认情况下:
开放委托:为静态方法创建
闭合委托:为实例方法创建
偶然发现,也能为实例方法创建出开放委托:
/// <summary>
/// Creates an open delegate for the given (dynamic)method.
/// </summary>
public static Delegate CreateDelegate(MethodInfo methodInfo, Type delegateType) {
Contract.RequiresNotNull(delegateType, "delegateType");
Contract.RequiresNotNull(methodInfo, "methodInfo");
DynamicMethod dm = methodInfo as DynamicMethod;
if (dm != null) {
return dm.CreateDelegate(delegateType);
} else {
return Delegate.CreateDelegate(delegateType, methodInfo);
}
}
/// <summary>
/// Creates a closed delegate for the given (dynamic)method.
/// </summary>
public static Delegate CreateDelegate(MethodInfo methodInfo, Type delegateType, object target) {
Contract.RequiresNotNull(methodInfo, "methodInfo");
Contract.RequiresNotNull(delegateType, "delegateType");
DynamicMethod dm = methodInfo as DynamicMethod;
if (dm != null) {
return dm.CreateDelegate(delegateType, target);
} else {
return Delegate.CreateDelegate(delegateType, target, methodInfo);
}
}
复制代码
https://ironscheme.svn.codeplex.com/svn/IronScheme/Microsoft.Scripting/Utils/ReflectionUtils.cs
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