wpf 命名空间“System.Windows”中不存在类型或命名空间名称“Window”
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The type or namespace name 'Window' does not exist in the namespace 'System.Windows'
提问by JoeMjr2
I am trying to write an extension method for the WPF Window class. I am doing it in a class library project in my solution, so that I can use it in all my projects in the solution.
我正在尝试为 WPF Window 类编写扩展方法。我在我的解决方案中的类库项目中执行此操作,以便我可以在解决方案中的所有项目中使用它。
Here is my code:
这是我的代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
namespace ExtensionMethods
{
public static class MyExtensions
{
public static void ResizeToPrimaryScreenWorkingArea(this System.Windows.Window w)
{
}
}
}
When I try to compile this, I get the following error:
当我尝试编译它时,出现以下错误:
The type or namespace name 'Window' does not exist in the namespace 'System.Windows'
命名空间“System.Windows”中不存在类型或命名空间名称“Window”
Yes, I DID add references to System.Windows and System.Windows.Forms in my class library project, and they are showing under References in the project in Solution Explorer.
是的,我确实在我的类库项目中添加了对 System.Windows 和 System.Windows.Forms 的引用,它们显示在解决方案资源管理器中项目的引用下。
What am I doing wrong?
我究竟做错了什么?
回答by Carlos Landeras
Add PresentationFramework.dllreference to your project it contains the System.Windowsnamespace.
添加PresentationFramework.dll对包含System.Windows命名空间的项目的引用。
http://msdn.microsoft.com/es-es/library/system.windows.window(v=vs.110).aspx
http://msdn.microsoft.com/es-es/library/system.windows.window(v=vs.110).aspx

