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Just curious....
Why are you doing that? CString has already unicode support.
Jaime
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co's I have a function which takes a T_String as parameter...
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since CString (when UNICODE is defined) and std::wstring both are defined as an array of wchar, you could safely do:
CString sOther = _T("This is a string");
T_String s = (LPCTSTR)sOther;
Jaime
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I am searchinf for information about NFS protocol. Do you know any useful link or samle ? Thanks. Satucha
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Start here.
"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen
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hi all,
anyone konws the win32 api for knowing that who is the current logged in user? I need it for only windows nt based OSes i.e. nt, 2000, xp
thanks in advance
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Check out the MSDN documentation for the
NetQueryDisplayInformation() API
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thanks.
Can you tell me also any win32 API to copy a file from a folder to another folder?
thanks again.
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Try CopyFile(), MoveFile(), SHFileOperation(), or the CFile class.
"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen
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sorry, i found the api to be CopyFile()
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You'll want to use NetWkstaUserGetInfo().
"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen
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How can I make this (test_26_tt1) variable global;
typedef struct <br />
{<br />
unsigned short data; <br />
unsigned 4 : count<br />
unsigned 1 : fault<br />
unsigned 2 : err <br />
}TEST_26_TT1
union<br />
{<br />
TEST_26_TT1 message_data;<br />
unsigned short buffer[32];<br />
}test_26_tt1;
If it was a float then I could do
// Globally declare the variable in just before the Main section of the code
float flt1;
extern float flt1; // This would allow global use in another unit of the program.
Or should type type of data be wrapped up in a class; as they are many.
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what problem did you have when you used the same way as float?
Jaime
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No problem with the float;
Just do
extern float flt1;
in any units you want to use it.
My problem is with the union, how do I reference it in another unit?
extern <type=????> test_26_tt1;
I have lots of bit fields which I form into a buffer via the union (same memory, but two names).
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the question I did was not for the float, but for the test_26_tt1. What problem did you have with it? Variable isn'r recognize? did you receive a compilation error?
Jaime
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When you form a union you can now use the data. i.e. two variables have been declared.
union<br />
{<br />
TEST_26_TT1 message_data;<br />
unsigned short buffer[32];<br />
}test_26_tt1;
in the code you can do the following:-
test_26_tt1.buffer[3] = 0xFF;
My question was how do you refer to this data in another unit using the extern
If I use the statement
extern test_26_tt1;
and refer to it as
unsigned short x = test_26_tt1.buffer[2]; in another unit I get the error:-
c:\Example\Database.cpp(101): error C2228: left of '.buffer' must have class/struct/union type.
Its a question of type, as I said with float
extern float flt1;
extern ???? test_26_tt1;
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You haven't created a variable yet, just a type
extern TEST_26_tt1 my_global_variable;
The extern is sometimes optional, but the same rules apply as for float.
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When you form a union you have declared a variable; i.e.
// Form a union between the message structure and a buffer
union<br />
{<br />
TEST_26_TT1 message_data;<br />
unsigned short buffer[32];<br />
}test_26_tt1;in the code you can do the following:-
test_26_tt1.buffer[3] = 0xFF;
But how do you use the variable test_26_tt1 in another unit.
With a float you can use:
extern float flt;
But how do you do the same with test_26_tt1.
<br />
extern ???? test_26_tt1;
What type do you use.
grahamfff
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I had to look up union again...
I think
extern union
{
TEST_26_TT1 message_data;
unsigned short buffer[32];
} test_26_tt1;
will work. Or make your union a full type like this:
union test_26_union
{
TEST_26_TT1 message_data;
unsigned short buffer[32];
}
extern test_26_union test_26_tt1;
Depending on if you want to use this union elsewhere.
Let me know what works, I've never used unions in C++, but I can think of a few times where it might be useful.
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Its Monday morning here in the UK, just tried out your suggestion:-
extern union <br />
{<br />
TEST_26_TT1 message_data;<br />
unsigned short buffer[32];<br />
} test_26_tt1;
It worked OK.
I did try the other method you suggested:-
union test_26_union <br />
{<br />
TEST_26_TT1 message_data;<br />
unsigned short buffer[32];<br />
};<br />
<br />
extern test_26_union test_26_tt1;
But I kept getting the following error:-
My_Example error LNK2005: "union test_26_union test_26_tt1" (?test_26_tt1@@test_26_union@@A) already defined in Database2.obj
But thanks for your post.
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Hey
In MSDN there is one function called "NetShareEnum", They have also provided example for it. I want to write same exapmle usign main() instead of wmain(). Plz any one can help...? I am also writing whole code here. Plz you also write whole code changin it to mian()...Thanking you....
--------------------------------------------------------------
#define UNICODE
#include <windows.h>
#include <stdio.h>
#include <lm.h>
void wmain( int argc, TCHAR *lpszArgv[ ])
{
PSHARE_INFO_502 BufPtr,p;
NET_API_STATUS res;
LPTSTR lpszServer = NULL;
DWORD er=0,tr=0,resume=0, i;
switch(argc)
{
case 2:
lpszServer = lpszArgv[1];
break;
default:
printf("Usage: NetShareEnum <servername>\n");
return;
}
//
// Print a report header.
//
printf("Share: Local Path: Uses: Descriptor:\n");
printf("---------------------------------------------------------------------\n");
//
// Call the NetShareEnum function; specify level 502.
//
do // begin do
{
res = NetShareEnum (lpszServer, 502, (LPBYTE *) &BufPtr, -1, &er, &tr, &resume);
//
// If the call succeeds,
//
if(res == ERROR_SUCCESS || res == ERROR_MORE_DATA)
{
p=BufPtr;
//
// Loop through the entries;
// print retrieved data.
//
for(i=1;i<=er;i++)
{
printf("%-20S%-30S%-8u",p->shi502_netname, p->shi502_path, p->shi502_current_uses);
//
// Validate the value of the
// shi502_security_descriptor member.
//
if (IsValidSecurityDescriptor(p->shi502_security_descriptor))
printf("Yes\n");
else
printf("No\n");
p++;
}
//
// Free the allocated buffer.
//
NetApiBufferFree(BufPtr);
}
else
printf("Error: %ld\n",res);
}
// Continue to call NetShareEnum while
// there are more entries.
//
while (res==ERROR_MORE_DATA); // end do
return;
}
----------------------------------------------------------------
Thank You
Mahesh
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Did you even try renaming wmain to main? At least that would have shown you put forth some effort.
"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen
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The following error appeared when I was adding a new function to one of my dialogs.
c:\SSIC_Example\GenericGuiDlg.h(18): error C2065: 'IDD_GENERIC_GUI' : undeclared identifier
I have checked and the 'IDD_GENERIC_GUI' is present in the reource.h file and used correctly in the .rc file.
I have seen this before and usually abandoned the project.
But this project is too big for that.
Any suggestions
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Make sure you include resource.h in GenericGuiDlg.h.
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