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Permalink Posted 8-Oct-13 21:08pm Richard MacCutchan571.9K Updated 8-Oct-13 21:12pm v2 Comments Andreas Gieriet 9-Oct-13 3:18am My 5! Three rings to rule them all (again) more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Copy // C2664g.idl import "prsht.idl"; [ object, uuid(8402B8F1-BF7F-4B49-92D4-C2B9DF4543E9) ] interface IMyObj1 : IUnknown { HRESULT teststr([in, string] wchar_t *wstr); HRESULT testarr([in, size_is(len)] wchar_t wstr[], [in] int len); HRESULT testbstr([in] BSTR bstr); For more information about explicit conversions, see User-Defined Type Conversions (C++).If a temporary object is passed to a function that takes a reference to an object as a parameter, that reference this contact form

struct userdata { char strUserName[20]; char strMsg[100]; } // another.cpp file: CString m_txtSend; strcpy(uinf.strMsg, (LPCSTR) (CStringA) m_txtSend); When using format to convert between Unicode and ASCII or vice versa, use if (!SetCommState (hPort, &PortDCB)) { // Could not configure the serial port. Related Sites Visual Studio Visual Studio Integrate VSIP Program Microsoft .NET Microsoft Azure Connect Forums Blog Facebook LinkedIn Stack Overflow Twitter Visual Studio Events YouTube Developer Resources Code samples Documentation Downloads Thank you in advance Hoshang 0 zeroliken 79 4 Years Ago Dear All, I want to read ini file for configuration. http://stackoverflow.com/questions/17773838/reference-to-a-const-char-error-c2664

Error C2664 Char

Making the parsing of a String to an Int32 robust (valid, positive, not 0 validation) How to select a value form drop down list using page object model? Let's work to help developers, not make them feel stupid. Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies

share|improve this answer edited Mar 3 '14 at 15:21 answered Mar 3 '14 at 15:15 herohuyongtao 25.4k96691 And what about length? This is my first program for serial port/Embedded programming. Why aren't Muggles extinct? Mfc Error C2664 His logic only makes sense if he thought he had a multi-dimensional array. –Brian Roach Mar 27 '11 at 20:44 The dangling , in his initial assignment adds additional

Also, you need to use the TEXT() or _T() macro for ALL your string constants. Error C2664 Cannot Convert Parameter 1 From When stating a theorem in textbook, use the word "For all" or "Let"? Where to copy to and where to copy from. Compiler Error C2664 Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 Visual Studio .NET 2003  'function' : cannot convert

Permalink Posted 8-Oct-13 20:50pm LOUIS Christian2K Rate this: Please Sign up or sign in to vote. Error C2664 Cannot Convert Argument 1 From See /Zc:wchar_t (wchar_t Is Native Type).ExampleThe following sample generates C2664 and shows how to fix it. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 418,505 Members | 2,679 Online Join Now login Ask asked 3 years ago viewed 961 times active 3 years ago Related 604How to convert a std::string to const char* or char*?34boost make_shared takes in a const reference.

Error C2664 Cannot Convert Parameter 1 From

In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms https://msdn.microsoft.com/en-us/library/s5b150wd.aspx For a one-char compare, do this: –Pete Wilson Mar 27 '11 at 20:38 if ( MacID[x] == ClientMacs[x] ) { ... } or similar. –Pete Wilson Mar 27 '11 Error C2664 Char non-pointer <-> pointer BOOL Checking(LPCSTR MacID) { const char* ClientMacs[18] = { "11:22:33:44:55:66",}; for(int x=0; x < 10; x++) { if(!strcmp(MacID, ClientMacs[x])) { printf(MacID," Successed!"); return true; } } return false; Error C2664 In C++ Because the parameter is an szString reference, an object must be created by the appropriate constructor.

Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! http://megavoid.net/error-c2664/error-c2664-in.html What … Error C2664: Cannot convert parameter 1 4 replies Hi, this is my first time posting here so I'm sorry if I post something wrong. but previous error is still occuring. –Grafit Oct 26 '14 at 20:36 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Press ALT+F7 to open the properties, and navigate to Configuration Properties > General. Error C2664 Cannot Convert Argument

Indicate that the string literal, in this case "Hello world!" is of a specific encoding. Of course you'll never see "Successed" as the printf() is wrong as well; it's only going to print the MacID. –Brian Roach Mar 27 '11 at 21:25 | show 1 more Also you may use string literals as the second argument. –Vlad from Moscow Oct 26 '14 at 20:54 this function looks better. http://megavoid.net/error-c2664/error-c2664-int.html To do it the Microsoft recommended way: struct userdata { TCHAR strUserName[20]; TCHAR strMsg[100]; } // another.cpp file: CString m_txtSend; _tcscpy(uinf.strMsg, m_txtSend); CString sUserName; sUserName.Format("%s : %s", udata->strUserName, udata->strMsg); If you

Can Homeowners insurance be cancelled for non-removal of tree debris? Error C2664 In Visual C++ Which of these functions is actually used when you compile your application, depends on the setting described in resolution #1 above.   References and recommended reads Support for Unicode Generic-Text Mappings Comments William Hemsworth: Start your own thread. 0 Discussion Starter jp071 -6 6 Years Ago Hi, I'm trying simple programme to open the visual com port and send data on it.

To fix C2664, Recheck the prototype for the given function and correct the argument noted in the error message.Supply an explicit conversion if necessary.C2664 can also be generated if a class

You're dealing with an ASCII vs Unicode issue. Are you trying to add the one character at message[j] to receiver? Syntax Design - Why use parentheses when no arguments are passed? Error C2664 Visual Studio when I compile the project, the compiler yields: error C2664: 'CWnd::MessageBoxW' : cannot convert parameter 1 from 'const char [12]' to 'LPCTSTR' What am I doing wrong?   Problem This error

Note that !strcmp() is going to result in the printf() being called and returning when the strings don't match. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed but the project still doesnt work. @vlad –Grafit Oct 26 '14 at 21:02 but when i used int instead of void it worked –Grafit Oct 26 '14 at 21:33 http://megavoid.net/error-c2664/error-c2664-in-c.html PortDCB.BaudRate = 9600; // Current baud PortDCB.fBinary = TRUE; // Binary mode; no EOF check PortDCB.fParity = TRUE; // Enable parity checking PortDCB.fOutxCtsFlow = FALSE; // No CTS output flow control

Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! manipulateArrays.deleteEvenNumber(mainArray[length]); ^^^^^^^^^^^^^^^^^ | this is an 'int', not an 'int []' To also pass the length to the function, you may want to change your function to int deleteEvenNumber(int getArray[], int This temporary object is then passed to the function. HANDLE hPort = CreateFile (TEXT("COM3"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); if(hPort == INVALID_HANDLE_VALUE) { cout<<"hPort INVALID" <

C/C++ Building Reference C/C++ Build Errors Compiler Errors C2600 Through C2699 Compiler Errors C2600 Through C2699 Compiler Error C2664 Compiler Error C2664 Compiler Error C2664 Compiler Error C2600 Compiler Error C2601 In Visual C++ 6.0 and earlier, wchar_t was a typedef for unsigned short and was therefore implicitly convertible to that type. Would a fighter jet be able to go into orbit from Mars surface? After Visual C++ 6.0, wchar_t is its own built-in type, as specified in the C++ standard, and is no longer implicitly convertible to unsigned short.

Posted 8-Oct-13 20:41pm Hanoi 2014390 Updated 11-Oct-13 0:02am pasztorpisti39.6K v2 Add a Solution 6 solutions Top Rated Most Recent Rate this: Please Sign up or sign in to vote. yes its show_info(). Draw an asterisk triangle Create "gold" from lead (or other substances) Vertical align top in multicolumn What news about the second Higgs mode (or the mysterious particle) is anticipated to be TreePlot does not give a "binary-looking" tree for a binary tree What part of speech is "нельзя"? 2048-like array shift If I am fat and unattractive, is it better to opt

What part of speech is "нельзя"? c++ c2664 share|improve this question edited Oct 26 '14 at 20:30 meagar♦ 136k21203237 asked Oct 26 '14 at 20:15 Grafit 32 2 Is it show_info() or show_list()? –NPE Oct 26 Read the rest of the MSDN link. -1 fyp -1 6 Years Ago Hi, I'm trying simple programme to open the visual com port and send data on it. Regards, kaizen Jan 20 '06 #1 Post Reply Share this Question 3 Replies P: n/a Rafał Maj Raf256 kaizen wrote: { strcpy(rec,message[j]); second parameter is a character, and should be a

c++ strcmp share|improve this question edited May 6 '12 at 15:43 MPelletier 10.2k106296 asked Mar 27 '11 at 20:08 Valter 114 add a comment| 6 Answers 6 active oldest votes up Why would he be trying to find out if the string matched starting somewhere in the first 10 bytes? –Brian Roach Mar 27 '11 at 21:04 | show 1 more comment Cheers Andi Richard MacCutchan 9-Oct-13 3:31am Thanks. char [20] at show_info(price_list,inf) PS: There might be other problems too share|improve this answer answered Oct 26 '14 at 20:22 P0W 26.8k63074 true.

void Test(szString &a) {} // To fix, uncomment the following line. // void Test(const szString &a) {} szString::szString(const char * newstr) : slen(0), str(NULL) { slen=strlen(newstr); str = new char[slen + LPCSTR is a type defe to convert CStringA to const char * LPCTSTR is a type defe to convert CString to TCHAR * LPCWSTR is a type defe to convert CString