How to trigger a hotkey or shortcut or emulate keyboard with Qt?

[tofighi]

Again, TCHAR is a windows type.
You need to include the correct windows header for that type.
Did you try including windows.h?

Yes, I've included it. There is an include directive in sendkeys.h :

#include <windows.h>
#include <tchar.h>

#include <windows.h>
#include <tchar.h>

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I also want to share my Qt program which doesn't work because of that error I've mentioned. please take a look at this project and let me know if I can change something which helps me run the program.
The purpose of this program is running notepad using Sendkeys class:
QtSendKey.zip
You can read more information about the Sendkeys class here.

[stampede]

Show the line of code that generates the error. If all you need is to call WinApi function that expects TCHAR *, you can use the L"" macro:

HRESULT someWinApiMethod( TCHAR * string );
//...
someWinApiMethod(L"a wide unicode string constant");

HRESULT someWinApiMethod( TCHAR * string );
//...
someWinApiMethod(L"a wide unicode string constant");

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As for QStrings, you can use toWCharArray and fromWCharArray conversion methods.

[tofighi]

Show the line of code that generates the error. If all you need is to call WinApi function that expects TCHAR *, you can use the L"" macro:

HRESULT someWinApiMethod( TCHAR * string );
//...
someWinApiMethod(L"a wide unicode string constant");

HRESULT someWinApiMethod( TCHAR * string );
//...
someWinApiMethod(L"a wide unicode string constant");

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As for QStrings, you can use toWCharArray and fromWCharArray conversion methods.

That's a good suggestion. I convert some strings with this method and errors reduce. There are some other errors that I don't know how to solve:
for example

int cmp = _tcsnicmp(KeyNames[Middle].keyName, KeyString, _tcslen(KeyString));
error: cannot convert 'TCHAR*' to 'char*' for argument '1' to 'char* strncpy(char*, const char*, size_t)'
 
 while (*p && *p != _TXCHAR('}'))
          p++;
error: '_TXCHAR' was not declared in this scope
 
 _tcscpy(titleclass, WindowTitle);
error: cannot convert 'TCHAR*' to 'const char*' for argument '1' to 'char* strstr(const char*, const char*)'

int cmp = _tcsnicmp(KeyNames[Middle].keyName, KeyString, _tcslen(KeyString));
error: cannot convert 'TCHAR*' to 'char*' for argument '1' to 'char* strncpy(char*, const char*, size_t)'

 while (*p && *p != _TXCHAR('}'))
          p++;
error: '_TXCHAR' was not declared in this scope

 _tcscpy(titleclass, WindowTitle);
error: cannot convert 'TCHAR*' to 'const char*' for argument '1' to 'char* strstr(const char*, const char*)'

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I suggest an expert, if has time, see the attached code in previous post and debug it. I'm sure it is a very useful program which can help many.

[tofighi]

Is it possible someone look at this again?

[high_flyer]

error: '_TXCHAR' was not declared in this scope

You need to include tchar.h

[tofighi]

You need to include tchar.h

I did it before. Is it possible to ask you kindly download the program, and compile it to see errors? This program is very useful and I know it will help many to create HCI programs using Qt.