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POCalling a C++ DLL from C#
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  1. POCalling a C++ DLL from C#
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    copied!<p>I am making a program to control a laser but to do that I need to import a dll into c# and call functions with it. The original program is written in C++ and I just cant figure it out how to do it. So my questions are:</p> <ol> <li>How to import a dll in c#</li> <li>how to call the functions from C++ in c#</li> </ol> <p>To make it a bit more clear to you I've added the code from the C++ program.</p> <pre><code>#include "MarkEzdDll.h" class CDemoEzdDlg : public CDialog { // Construction public: CDemoEzdDlg(CWnd* pParent = NULL); // standard constructor HINSTANCE m_hEzdDLL;//DLLµ÷Óþä±ú LMC1_INITIAL lmc1_Initial; LMC1_CLOSE lmc1_Close; LMC1_LOADEZDFILE lmc1_LoadEzdFile; LMC1_MARK lmc1_Mark; LMC1_MARKENTITY lmc1_MarkEntity; LMC1_GETPREVBITMAP lmc1_GetPrevBitmap; LMC1_READPORT lmc1_ReadPort; LMC1_WRITEPORT lmc1_WritePort; LMC1_SETDEVCFG lmc1_SetDevCfg; LMC1_SETHATCHPARAM lmc1_SetHatchParam; LMC1_SETFONTPARAM lmc1_SetFontParam; LMC1_GETPENPARAM lmc1_GetPenParam; LMC1_SETPENPARAM lmc1_SetPenParam; LMC1_CLEARENTLIB lmc1_ClearEntLib; LMC1_ADDTEXTTOLIB lmc1_AddTextToLib; LMC1_ADDFILETOLIB lmc1_AddFileToLib; LMC1_ADDBARCODETOLIB lmc1_AddBarCodeToLib; LMC1_CHANGETEXTBYNAME lmc1_ChangeTextByName; LMC1_AXISMOVETO lmc1_AxisMoveTo; LMC1_AXISCORRECTORIGIN lmc1_AxisCorrectOrigin; LMC1_GETAXISCOOR lmc1_GetAxisCoor; LMC1_SAVEENTLIBTOFILE lmc1_SaveEntLibToFile; </code></pre> <p>in the dialog, there is a button which has this code attached to it:</p> <pre><code>void CDemoEzdDlg::OnButtonRun() { // TODO: Add your control notification handler code here UpdateData(); if(lmc1_Mark==NULL) { return; } lmc1_Mark(FALSE); UpdatePrevBmp(); AfxMessageBox(_T("Mark file finish!")); } </code></pre> <p>This is when the laser should start.</p> <p>How to get this in c#?</p>
 

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