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【已解决】error CS0246: The type or namespace name ‘DllImport’ could not be found (are you missing a using directive or an assembly reference?)

C# crifan 13年前 (2012-04-12) 7155浏览 0评论

【问题】

C#程序中，有类似这样代码：

// Registers a hot key with Windows.
[DllImport("user32.dll")]
private static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);

编译后出错：

D:\xxx\downloadSongtasteMusic\frmDownloadSonstasteMusic.cs(15,10): error CS0246: The type or namespace name ‘DllImport’ could not be found (are you missing a using directive or an assembly reference?)

【解决过程】

1.参照：C# 小结二，添加了：

using System.Runtime.InteropServices;

然后就解决了。

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