如何在c#中引用c++中的window.h 文件? 如何在C++中打开建好的MFC文件？
c++ \u4e2d\u5f15\u7528windows.h\u5934\u6587\u4ef6\uff0c\u5728c#\u4e2d\u600e\u4e48\u5f15\u7528\u5462\uff1f\u5f88\u6025\u7684\u8bf4\u3002\u6c42\u5927\u5bb6\u5e2e\u5e2e\u5fd9\u3002C#\u91cc\u9762\u4e0d\u7528\u5f15\u7528\u5934\u6587\u4ef6\uff0c\u53ea\u8981\u5305\u542b\u76f8\u5e94\u7684\u547d\u540d\u7a7a\u95f4\u5c31\u53ef\u4ee5\u4e86\u3002
\u6bd4\u5982\uff1a
using System.Data;
1\u3001\u5728\u6253\u5f00\u7684ie\u6d4f\u89c8\u5668\u7a97\u53e3\u53f3\u4e0a\u65b9\u70b9\u51fb\u9f7f\u8f6e\u56fe\u6807\uff0c\u9009\u62e9\u201cInternet\u9009\u9879\u201d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
2\u3001\u5728\u6253\u5f00\u7684Internet\u9009\u9879\u7a97\u53e3\u4e2d\uff0c\u5207\u6362\u5230\u5b89\u5168\u680f\uff0c\u5728\u5b89\u5168\u9009\u5361\u4e2d\u70b9\u51fb\u201c\u81ea\u5b9a\u4e49\u7ea7\u522b\u201d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
3\u3001\u5728\u201c\u5b89\u5168\u8bbe\u7f6e-Internet \u533a\u57df\u201d\u754c\u9762\u627e\u5230\u201cJava \u5c0f\u7a0b\u5e8f\u811a\u672c\u201d\u3001\u201c\u6d3b\u52a8\u811a\u672c\u201d\uff0c\u5e76\u5c06\u8fd9\u4e24\u4e2a\u9009\u9879\u90fd\u9009\u62e9\u4e3a\u201c\u7981\u7528\u201d\uff0c\u7136\u540e\u70b9\u51fb\u786e\u5b9a,\u5982\u4e0b\u56fe\u6240\u793a\uff1a
public const int GWL_STYLE = -16;
public const int GWL_EXSTYLE = -20;
public const int GWL_USERDATA = -21;
public const int GWL_ID = -12;
public const int DWL_MSGRESULT = 0;
public const int DWL_DLGPROC = 4;
public const int DWL_USER = 8;
[DllImport("user32", EntryPoint="SetWindowLong")] public static extern int SetWindowLongA(int hwnd, int nIndex, int dwNewLong)
然后调用给参数就可以了.通常API的宏在C#中都是用const来声明的
用enum也可以,下面是我对WINDOWS MESSAGE的封装
public enum WindowsMessages
{
WM_ACTIVATE = 0x6,
WM_ACTIVATEAPP = 0x1C,
WM_AFXFIRST = 0x360,
WM_AFXLAST = 0x37F,
WM_APP = 0x8000,
WM_ASKCBFORMATNAME = 0x30C,
WM_CANCELJOURNAL = 0x4B,
WM_CANCELMODE = 0x1F,
WM_CAPTURECHANGED = 0x215,
WM_CHANGECBCHAIN = 0x30D,
WM_CHAR = 0x102,
WM_CHARTOITEM = 0x2F,
WM_CHILDACTIVATE = 0x22,
WM_CLEAR = 0x303,
WM_CLOSE = 0x10,
WM_COMMAND = 0x111,
WM_COMPACTING = 0x41,
WM_COMPAREITEM = 0x39,
WM_CONTEXTMENU = 0x7B,
WM_COPY = 0x301,
WM_COPYDATA = 0x4A,
WM_CREATE = 0x1,
WM_CTLCOLORBTN = 0x135,
WM_CTLCOLORDLG = 0x136,
WM_CTLCOLOREDIT = 0x133,
WM_CTLCOLORLISTBOX = 0x134,
WM_CTLCOLORMSGBOX = 0x132,
WM_CTLCOLORSCROLLBAR = 0x137,
WM_CTLCOLORSTATIC = 0x138,
WM_CUT = 0x300,
WM_DEADCHAR = 0x103,
WM_DELETEITEM = 0x2D,
WM_DESTROY = 0x2,
WM_DESTROYCLIPBOARD = 0x307,
WM_DEVICECHANGE = 0x219,
WM_DEVMODECHANGE = 0x1B,
WM_DISPLAYCHANGE = 0x7E,
WM_DRAWCLIPBOARD = 0x308,
WM_DRAWITEM = 0x2B,
WM_DROPFILES = 0x233,
WM_ENABLE = 0xA,
WM_ENDSESSION = 0x16,
WM_ENTERIDLE = 0x121,
WM_ENTERMENULOOP = 0x211,
WM_ENTERSIZEMOVE = 0x231,
WM_ERASEBKGND = 0x14,
WM_EXITMENULOOP = 0x212,
WM_EXITSIZEMOVE = 0x232,
WM_FONTCHANGE = 0x1D,
WM_GETDLGCODE = 0x87,
WM_GETFONT = 0x31,
WM_GETHOTKEY = 0x33,
WM_GETICON = 0x7F
//...太长了不发了
}
C#和Window.h没有任何牵扯了
它可以用相对简单的方式调用WindowsAPI
请参照：
http://msdn.microsoft.com/zh-cn/library/26thfadc.aspx
比如: MessageBox这个API就可以这样声明下：
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern IntPtr MessageBox(int hWnd, String text,
String caption, uint type);
然后就可以按照普通的C#函数来调用了（摘选自： http://msdn.microsoft.com/zh-cn/library/42b9ea93.aspx）
把c++的文件编译成标准备动态链接库，然后用c#去调这个链接库就行了。
直接不可以引用。
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