当MarshalByRef对象从AppDomain(1)传递到另一个(2)时,如果你在第二个AppDomain(2)中调用方法之前等待6分钟,你将得到一个RemotingException:
System.Runtime.Remoting.RemotingException:对象[...]已断开连接或在服务器上不存在.
有关此问题的一些文档:
如果我错了,请纠正我:如果InitializeLifetimeService返回null,那么当AppDomain 2被卸载时,该对象只能在AppDomain 1中收集,即使收集了代理?
有没有办法禁用生命周期并保持代理(在AppDomain 2中)和对象(在AppDomain1中)保持活动状态,直到代理完成为止?也许与ISponsor ......?
我安装了英文版的Visual Studio 2013.GUI是英文版,但编译错误是法文版.当我想谷歌出错时,这是一场噩梦......
如何将C#编译器输出语言切换为英语?
我想在我用iotouch编写的iphone应用程序上打开一个文档 - 即在默认的PDF查看器中启动PDF文件.
我想我应该使用UIDocumentInterationController?
任何人对此都有任何想法..
我在viewcontroller上放了以下内容(带工具栏)
但它不起作用:-(它什么都不做!
Run Code Online (Sandbox Code Playgroud)string s = string.Format("{0}",strFilePath); NSUrl ns = NSUrl.FromFilename (s); UIDocumentInteractionController PreviewController = UIDocumentInteractionController.FromUrl(ns); PreviewController.Delegate = new UIDocumentInteractionControllerDelegateClass(); PreviewController.PresentOpenInMenu(btnOpen,true);
public class UIDocumentInteractionControllerDelegateClass : UIDocumentInteractionControllerDelegate
{
public UIViewController FileViewController = new UIViewController();
public UIDocumentInteractionControllerDelegateClass ()
{
}
public override UIViewController ViewControllerForPreview (UIDocumentInteractionController controller)
{
return FileViewController;
}
public override UIView ViewForPreview (UIDocumentInteractionController controller)
{
return FileViewController.View;
}
}
Run Code Online (Sandbox Code Playgroud) 在.Net4中,Monitor.Enter(Object)被标记为已废弃:
[ObsoleteAttribute("This method does not allow its caller to reliably release the lock. Please use an overload with a lockTaken argument instead.")]
public static void Enter(
Object obj
)
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并且有一个新方法Monitor.Enter(lockObject,acquiredLock)具有以下用法:
bool acquiredLock = false;
try
{
Monitor.Enter(lockObject, ref acquiredLock);
// Code that accesses resources that are protected by the lock.
}
finally
{
if (acquiredLock)
{
Monitor.Exit(lockObject);
}
}
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我曾经这样做过:
Monitor.Enter(lockObject);
try
{
// Code that accesses resources that are protected by the lock.
}
finally …Run Code Online (Sandbox Code Playgroud) 在我的应用程序中,Web服务向客户端发送共享访问签名(对容器的写权限),以便它可以上载文件.
有没有办法限制上传内容的大小(例如1Gb)?理想的解决方案是容器的自定义大小限制.否则,它可能是共享访问签名的限制.
如果该功能在blob上可用,我还可以更改我的应用程序以在各个blob上发送共享访问签名.
.net ×2
appdomain ×1
azure ×1
c# ×1
cocoa-touch ×1
iphone ×1
locking ×1
remoting ×1
xamarin.ios ×1