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我在.NET中创建了一个用于Internet Explorer的ActiveX控件库(.dll)。它实现IObjectSafety
,看起来与此类似:自定义ActiveX .NET控件无法在WinForms/WPF项目中识别
namespace ActiveXControl
{
[ComVisible(true)]
[InterfaceType(ComInterfaceType.InterfaceIsDual)]
[Guid("ABA9D4C3-8166-440C-90C8-2FA6CD4C3C77")]
interface ITestControl
{
string GetText();
}
[ComVisible(true)]
[ClassInterface(ClassInterfaceType.None)]
[Guid("0B3C1BB4-ED2C-4336-9E4C-72A908E74F51")]
[ProgId("ActiveXControl.TestControl")]
[ComDefaultInterface(typeof(ITestControl))]
public class TestControl : UserControl, ITestControl, IObjectSafety
{
#region ITestControl
public string GetText()
{
return "Foo";
}
#endregion
#region IObjectSafety
public enum ObjectSafetyOptions
{
INTERFACESAFE_FOR_UNTRUSTED_CALLER = 0x00000001,
INTERFACESAFE_FOR_UNTRUSTED_DATA = 0x00000002,
INTERFACE_USES_DISPEX = 0x00000004,
INTERFACE_USES_SECURITY_MANAGER = 0x00000008
};
public int GetInterfaceSafetyOptions(ref Guid riid, out int pdwSupportedOptions, out int pdwEnabledOptions)
{
ObjectSafetyOptions m_options = ObjectSafetyOptions.INTERFACESAFE_FOR_UNTRUSTED_CALLER | ObjectSafetyOptions.INTERFACESAFE_FOR_UNTRUSTED_DATA;
pdwSupportedOptions = (int)m_options;
pdwEnabledOptions = (int)m_options;
return 0;
}
public int SetInterfaceSafetyOptions(ref Guid riid, int dwOptionSetMask, int dwEnabledOptions)
{
return 0;
}
#endregion
}
}
当我创建一个.cab了这一点,并在IE中运行它,它的工作原理。但是,当我创建一个常规的WPF桌面应用程序并引用程序集时,我遇到了一个不寻常的情况:当我第一次添加引用(或者做一个干净的)时,命名空间和控件在Visual Studio中出现。当我建我得到的消息:
“ActiveXControl” cound找不到命名空间名称的类型(是 你缺少using指令或程序集引用?)
我我试图重建控件和一些变体,包括一个WinForms项目。有人可以解释为什么发生这种情况,我能做些什么来解决它?
[C#Visual Studio 2010突然无法看到名称空间的可能重复?](http://stackoverflow.com/questions/4880685/c-sharp-visual-studio-2010-suddenly-cant-see-namespace) – 2012-08-08 17:01:08
我的项目设置有点不同,但是为我解决了这个问题。谢谢! – 2012-08-08 17:53:20