Questions tagged [lpstr]
21 questions
2
votes
1 answer
C++ Function pointer incorrect types
I need to use the following function but I'm in trouble with the args:
In this case the IP Address is not setting.
cwbCO_SysHandle system;
LPSTR ipAddress = "";
ULONG ipLength = 32;
cwbCO_GetIPAddress(system, ipAddress, &ipLength);
I know I need to…
ProtectedVoid
- 1,293
- 3
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- 42
2
votes
2 answers
(C++/WinAPI) Reversing LPSTR
i have some problems to reverse LPSTR.
Here is my function:
LPSTR Reverse(LPSTR a_lpText)
{
int nTextLength = strlen((char*)a_lpText);
LPSTR lpReversed = (LPSTR) GlobalAlloc(GPTR, nTextLength + 1);
for (int i = 0; i < nTextLength; ++i)
…
Memory_Leak
- 57
- 4
1
vote
1 answer
SendKeys does not work from pre-defined LPSTR.
I have a QTimer connected to a TimerHandler function. The TimerHandler should do my SendKeys function that I declared in the public section of my header. If I manually type in the text for the SendKeys function it gives an correct output. But if I…
HitomiTenshi
- 514
- 2
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- 20
1
vote
4 answers
Split LPSTR and add up values as a long
I am trying to take an LPSTR in C++ such as "12,30,57" and split it and then add up all of the numbers (they are all non-decimal) that are returned from the split operation into a resulting long value.
This is not homework I can assure you. It's…
Keith Adler
- 20,880
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1
vote
1 answer
How to save ofn.lpstrFile to string properly?
Hi i am trying to make a GUI for image compare software. The idea is to choose a picture with OPENFILENAME, then get its address with ofn.lpstrFile then make a histogram for that image. So i use:
return(ofn.lpstrFile);
I can cout the address or…
Viktor Bendik
- 97
- 3
- 11
1
vote
1 answer
Calling dll in python 3 with LPSTR
I have a .dll named my.dll, with 4 functions, called in python 3.5 using:
myDLL = ctypes.cdll.LoadLibrary(Path:\to\my.dll)
My problem is calling a function that has LPSTR:
#include "stdafx.h"
#include "newheader.h"
double _stdcall…
Itay Livni
- 2,143
- 24
- 38
0
votes
2 answers
Dialog wIndow does not open
So i want to make a sort of texteditor and want to use a dialogwindow to get the filepath/file from the user. Now here is the problem. I get an error in one project that i does not get in another even though i have not changed a setting that would…
morigan
- 23
- 9
0
votes
1 answer
What does this error mean: "error C2664 cannot convery arguement 7 from 'TCHAR (*)[261]' to 'LPSTR'
I'm new to coding and I'm not too sure how I'd go about fixing this issue. The error is as follows:
error C2664: 'BOOL GetVolumeInformationA(LPCSTR,LPSTR,DWORD,LPDWORD,LPDWORD,LPDWORD,LPSTR,DWORD)': cannot convert argument 7 from 'TCHAR (*)[261]'…
0
votes
2 answers
why passing string to a function which accepts LPSTR does noy work?
Following code gives empty string and length = 0, but while debugging I can see the childDisplayName has correct name.
CHAR fileSystemName[MAX_PATH + 1] = { 0 };
DWORD serialNumber = 0; DWORD maxComponentLen = 0;
string…
aromahola
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- 12
0
votes
1 answer
Calling C++ function with LPStr return value from C#
I have a C++ dll in 64-Bit, which contains a function that returns an LPStr. I would like to call this function in C#. The function declaration looks like this:
__declspec(dllexport) LPSTR __stdcall function(int16_t error_code);
In my C# code I…
Pete
- 75
- 1
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- 13
0
votes
1 answer
C++ - Using GetPrivateProfileString without buffer
I'm using GetPrivateProfileStringA to read some things from a .ini file. I have some other class where I save things along with a string array. I have to use it like this to get a proper string into the ControlAlt array:
char…
ikt
- 3
- 4
0
votes
2 answers
How do you append a char[256] to the contents of an edit control?
I am working on a small GUI calculator project and I need to append something to the contents of an edit control. The function I am currently using is:
int CharControl = 256;
void AddToEditMainText(char WhatToAdd[CharControl]) {
char…
Forrest4096
- 159
- 1
- 8
0
votes
1 answer
C++ Add LPSTR buffer to char array
Here is the situation:
I have a class in which has a method in which I have a loop that overwrites a buffer with a new letter every iteration and the buffer's datatype is LPSTR.
My question is, how I could take all the letters that are generated…
Forivin
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0
votes
1 answer
How to resolve “ invalid conversion from 'const char*' to 'LPSTR {aka char*}' [-fpermissive] "
I use Qt Creator and this code :
CreateProcess(NULL,string("curl -F \"api_key=XXX\" -F \"filetype=mp3\" -F \"track=@"+execpath+"\\sound.mp3\" \"http://developer.echonest.com/api/v4/track/upload\"").c_str(), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL,…
AmirH
- 57
- 11
0
votes
1 answer
C++ - Convert LPSTR to const char* in MinGW under Windows
I'm having trouble converting from LPSTR to const char* in MinGW under Windows.
#include
#include
#include
#include
int main() {
DIR *dir;
struct dirent *ent;
LPSTR buffer;
GetCurrentDirectory(100,…
zeroslash
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