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wizardolu
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 Posted: Mon Sep 15, 2008 4:09 pm Post subject: C++ a little code help |
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okay i have done many programming languages in the past and just comeing back to C++.
here the code that i was trying to test
(it was copied)
| Code: |
// fcvx.cpp : main project file.
#include "stdafx.h"
#include "windows.h"
#include "WinUser.h"
#include <iostream>
using namespace std;
LRESULT InjectMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
WNDPROC WndProc;
LRESULT lRET = 0;
WndProc = (WNDPROC)GetWindowLong(hWnd, GWL_WNDPROC);
if (WndProc != NULL)
lRET = CallWindowProc(WndProc, hWnd, uMsg, wParam, lParam);
return lRET;
}
int main() {
while (true) {
if ((GetAsyncKeyState(0x73)<0)) {
HWND hWndE = FindWindow(0, "MapleStoryClass");
PostMessage(hWndE, WM_CHAR, 'A', 0);
}
Sleep(1);
}
}
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this was in MVC++ and the error is
| Code: |
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
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thank you in advance
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samuri25404
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| Posted: Mon Sep 15, 2008 5:05 pm Post subject: |
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Double click on the error thing, and tell us what line it selects.
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wizardolu
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| Posted: Mon Sep 15, 2008 5:15 pm Post subject: |
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sorry for that the line it selects is
| Code: |
HWND hWndE = FindWindow(0, "MapleStoryClass"); |
and the actual error is
| Code: |
1>.\fcvx.cpp(24) : error C2664: 'FindWindowW' : cannot convert parameter 2 from 'const char [16]' to 'LPCWSTR' |
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Overload
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| Posted: Mon Sep 15, 2008 5:23 pm Post subject: |
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Then convert it to LPCWSTR? Just use a multi-byte character set. Right click your solution -> Properties -> Character Set -> Multibyte.
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wizardolu
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| Posted: Mon Sep 15, 2008 5:33 pm Post subject: |
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| for some reason, i cant see that. i backclicked the soultion anf opened up all the menus
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sponge
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| Posted: Mon Sep 15, 2008 5:33 pm Post subject: |
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kitterz
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| Posted: Mon Sep 15, 2008 5:39 pm Post subject: |
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| wizardolu wrote: | sorry for that the line it selects is
| Code: |
HWND hWndE = FindWindow(0, "MapleStoryClass"); |
and the actual error is
| Code: |
1>.\fcvx.cpp(24) : error C2664: 'FindWindowW' : cannot convert parameter 2 from 'const char [16]' to 'LPCWSTR' |
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Also, the classname goes in the first param, and the window name goes in the second. so:
| Code: | | FindWindow ("MapleStoryClass", NULL); |
is correct. Unless the game window name os the game is callled MapleStoryClass 
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wizardolu
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| Posted: Mon Sep 15, 2008 5:39 pm Post subject: |
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thank you very much sponge, but now i have a whole list of errors
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1>fcvx.obj : error LNK2028: unresolved token (0A000299) "extern "C" int __stdcall PostMessageW(struct HWND__ *,unsigned int,unsigned int,long)" (?PostMessageW@@$$J216YGHPAUHWND__@@IIJ@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
1>fcvx.obj : error LNK2028: unresolved token (0A00029A) "extern "C" struct HWND__ * __stdcall FindWindowW(wchar_t const *,wchar_t const *)" (?FindWindowW@@$$J18YGPAUHWND__@@PB_W0@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
1>fcvx.obj : error LNK2028: unresolved token (0A00029B) "extern "C" short __stdcall GetAsyncKeyState(int)" (?GetAsyncKeyState@@$$J14YGFH@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
1>fcvx.obj : error LNK2028: unresolved token (0A00029C) "extern "C" long __stdcall CallWindowProcW(long (__stdcall*)(struct HWND__ *,unsigned int,unsigned int,long),struct HWND__ *,unsigned int,unsigned int,long)" (?CallWindowProcW@@$$J220YGJP6GJPAUHWND__@@IIJ@Z0IIJ@Z) referenced in function "long __cdecl InjectMessage(struct HWND__ *,unsigned int,unsigned int,long)" (?InjectMessage@@$$FYAJPAUHWND__@@IIJ@Z)
1>fcvx.obj : error LNK2028: unresolved token (0A00029D) "extern "C" long __stdcall GetWindowLongW(struct HWND__ *,int)" (?GetWindowLongW@@$$J18YGJPAUHWND__@@H@Z) referenced in function "long __cdecl InjectMessage(struct HWND__ *,unsigned int,unsigned int,long)" (?InjectMessage@@$$FYAJPAUHWND__@@IIJ@Z)
1>fcvx.obj : error LNK2019: unresolved external symbol "extern "C" long __stdcall CallWindowProcW(long (__stdcall*)(struct HWND__ *,unsigned int,unsigned int,long),struct HWND__ *,unsigned int,unsigned int,long)" (?CallWindowProcW@@$$J220YGJP6GJPAUHWND__@@IIJ@Z0IIJ@Z) referenced in function "long __cdecl InjectMessage(struct HWND__ *,unsigned int,unsigned int,long)" (?InjectMessage@@$$FYAJPAUHWND__@@IIJ@Z)
1>fcvx.obj : error LNK2019: unresolved external symbol "extern "C" long __stdcall GetWindowLongW(struct HWND__ *,int)" (?GetWindowLongW@@$$J18YGJPAUHWND__@@H@Z) referenced in function "long __cdecl InjectMessage(struct HWND__ *,unsigned int,unsigned int,long)" (?InjectMessage@@$$FYAJPAUHWND__@@IIJ@Z)
1>fcvx.obj : error LNK2019: unresolved external symbol "extern "C" int __stdcall PostMessageW(struct HWND__ *,unsigned int,unsigned int,long)" (?PostMessageW@@$$J216YGHPAUHWND__@@IIJ@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
1>fcvx.obj : error LNK2019: unresolved external symbol "extern "C" struct HWND__ * __stdcall FindWindowW(wchar_t const *,wchar_t const *)" (?FindWindowW@@$$J18YGPAUHWND__@@PB_W0@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
1>fcvx.obj : error LNK2019: unresolved external symbol "extern "C" short __stdcall GetAsyncKeyState(int)" (?GetAsyncKeyState@@$$J14YGFH@Z) referenced in function "int __cdecl main(void)" (?main@@$$HYAHXZ)
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i think i messed up the code
Agian thank you sponge,Overload and
samuri25404
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kitterz
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| Posted: Mon Sep 15, 2008 5:42 pm Post subject: |
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Err....donnt do "" around the includes. Use <> instead. That's all I can think of.
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wizardolu
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| Posted: Mon Sep 15, 2008 5:44 pm Post subject: |
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nope did work
thanks anyway
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kitterz
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| Posted: Mon Sep 15, 2008 5:45 pm Post subject: |
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So did you set it to Multi-Byte?
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wizardolu
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| Posted: Mon Sep 15, 2008 5:48 pm Post subject: |
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| no i did not know how, so i put an "L" in front of the string. do i still need to convert and if so, how?
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kitterz
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| Posted: Mon Sep 15, 2008 5:51 pm Post subject: |
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| wizardolu wrote: | | no i did not know how, so i put an "L" in front of the string. do i still need to convert and if so, how? |
Like Overload said
Right click your solution -> Properties -> Character Set -> Multibyte.
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wizardolu
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| Posted: Mon Sep 15, 2008 5:57 pm Post subject: |
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for some reason, i cannot find the Character set in Properties, ill upload a screen shot.
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kitterz
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| Posted: Mon Sep 15, 2008 5:59 pm Post subject: |
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Correct place. But it under the "General" section. (One under)
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