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Convert Cstring To Char* C++

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Cstring To Char Array

> General Indian Topics General Chinese Topics help What is 'CodeProject'? General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ CString to const char* type casting error Rate this: Please Sign up or sign in to vote. See more: C++ Hi All, I Have a problem in type casting. here is the code: header file: struct userdata { char strUserName[20]; char strMsg[100]; }; another.cpp file: CString m_txtSend; strcpy(uinf.strMsg, m_txtSend); The error: error C2664: 'strcpy' : cannot convert parameter 2 from 'CString' to 'const char *' another Error: cpp file: CString sUserName; sUserName.Format("%s : %s", udata->strUserName, udata->strMsg); the error: error C2664: 'void ATL::CStringT::Format(const wchar_t *,...)' : cannot convert parameter 1 from 'const char [8]' to 'const wchar_t *' 1> with 1> [ 1> BaseType=wchar_t, 1> StringTraits=StrTraitMFC_DLL 1> ] 1> Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast please help me. 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: Plea

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Cannot Convert From 'cstring' To 'const Char *'

Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: error c2440 '=' cannot convert from 'const char *' to 'char *' Sign up error C2440: '=' : cannot convert from 'const char [2]' to 'char' up vote 5 down vote favorite 2 I am learning c++, and I am having issues doing some newbie things. I am trying to create a very small http://www.codeproject.com/Questions/665654/CString-to-const-char-type-casting-error application that takes the users input and stores it into a char array. I then parse through that array and remove all parenthesis and dases and display it. like the following (325)858-7455 to 3258587455 But I am getting errors error C2440: '=' : cannot convert from 'const char [2]' to 'char' Below is my simple code that can easily be thrown in a compiler and ran. #include "stdafx.h" #include #include using namespace std; /* This is a template Project */ int main() { http://stackoverflow.com/questions/2827688/error-c2440-cannot-convert-from-const-char-2-to-char char phoneNum[25]; for(int i = 0; i < (sizeof(phoneNum) / sizeof(char)); i++) { phoneNum[i] = "i"; } cout<< "Enter a phone Number" <>phoneNum; if(phoneNum[0] != '(' || phoneNum[4] != ')' || phoneNum[8] != '-') { cout<<"error"; } else { for(int i = 0; i < (sizeof(phoneNum) / sizeof(char));i++) { if(phoneNum[i] != '(' || phoneNum[i] != ')' || phoneNum[i] != '-') { cout<>phoneNum; getchar(); return 0; } It is not completely finished so if anyone has any pointers on the best way to remove strings characters from a string. that would be great. c++ visual-studio-2008 share|improve this question edited May 29 at 20:58 Deanie 1,4402522 asked May 13 '10 at 14:44 numerical25 3,8802291174 If this is homework please mark it as so. –jcolebrand May 13 '10 at 14:47 Do you really want to read the letter 'i' into your array? –Lucas May 13 '10 at 14:49 @numerical25: dases → dashes? –Lazer May 13 '10 at 14:55 When you correct the syntax for a single character from "i" to 'i', it is still not clear to me, why you need the loop. You will have an array with the letter 'i' 25 times. This seems pointless. Be aware, that you won't have proper string neither, because your array won't be terminated with '\0'. –Lucas May 13 '10 at 15:07 You should change your algorithm to just pull out all the characters that are nu

work\jyfjtjyulkuyl\jyfjtjyulkuyl\bdfbdh.cpp(26) : error C2440: '=' : cannot http://www.cplusplus.com/forum/windows/5368/ convert from 'const char *' to 'LPCWSTR' heres the code: #include const char *ClsName = "BasicApp"; const char *WndName = "A Simple Window"; http://forums.codeguru.com/printthread.php?t=340459 LRESULT CALLBACK WndProcedure(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { MSG Msg; const char HWND hWnd; WNDCLASSEX WndClsEx; // Create the application window WndClsEx.cbSize = sizeof(WNDCLASSEX); WndClsEx.style = CS_HREDRAW | CS_VREDRAW; WndClsEx.lpfnWndProc = WndProcedure; WndClsEx.cbClsExtra = 0; WndClsEx.cbWndExtra = 0; WndClsEx.hIcon = LoadIcon(NULL, IDI_APPLICATION); WndClsEx.hCursor = LoadCursor(NULL, IDC_ARROW); WndClsEx.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); WndClsEx.lpszMenuName = NULL; WndClsEx.lpszClassName = ClsName; WndClsEx.hInstance = hInstance; WndClsEx.hIconSm = to const char LoadIcon(NULL, IDI_APPLICATION); // Register the application RegisterClassEx(&WndClsEx); // Create the window object hWnd = CreateWindow(ClsName, WndName, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL); // Find out if the window was created if( !hWnd ) // If the window was not created, return 0; // stop the application // Display the window to the user ShowWindow(hWnd, SW_SHOWNORMAL); UpdateWindow(hWnd); // Decode and treat the messages // as long as the application is running while( GetMessage(&Msg, NULL, 0, 0) ) { TranslateMessage(&Msg); DispatchMessage(&Msg); } return Msg.wParam; } LRESULT CALLBACK WndProcedure(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) { switch(Msg) { // If the user wants to close the application case WM_DESTROY: // then close it PostQuitMessage(WM_QUIT); break; default: // Process the left-over messages return DefWindowProc(hWnd, Msg, wParam, lParam); } // If something was not done, let it go return 0; } What a

cannot convert from 'const unsigned short *' to 'const char *' And the following code: Code:
m_cEdit.GetWindowText(m_sNumWarpage);
const char* szSingle = (LPCTSTR) m_sNumSingle;
m_nSingleMeasurements = atoi(szSingle); Any ideas? Thanks! May 10th, 2005, 10:37 AM Bob Davis Re: CString to const char* Try: Code: m_cEdit.GetWindowText(m_sNumWarpage);
const char* szSingle = (LPCSTR) m_sNumSingle;
m_nSingleMeasurements = atoi(szSingle); Note the change in cast. LPCTSTR is a cast to a wide-character (Unicode) string. May 10th, 2005, 10:47 AM clodagho Re: CString to const char* No I'm afraid same error error C2440: 'type cast' : cannot convert from 'class CString' to 'const char *' on this line const char* szSingle = (LPCSTR) m_sNumSingle; May 10th, 2005, 11:42 AM RoboTact Re: CString to const char* It should work. You have a "wrong" CString class there... As there is a convertion operator, you can make even implicit convertion: Code: CString s="abcd";
const char *cstr=s;
cout< char* sz = str.GetBuffer(str.GetLength()); You can perform any permited operatoin over char*. May 11th, 2005, 04:10 AM clodagho Re: CString to const char* Quote: Originally Posted by jlou I've seen that error for people working on Embedded Visual C++ because it uses Unicode. If that's the case try wcstol(m_sNumSingle). error C2660: 'wcstol' : function does not take 1 parameters There is something funny going on with CStrings alright. I have just started working on this app. I have to write CString s = _T("abc"); not CString s = "abc"; or I will get a compiler error :confused: . May 11th, 2005, 04:11 AM clodagho Re

 

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