Write to Windows event log: Difference between revisions
Added C implementation.
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PROC_comexit</lang>
=={{header|C}}
The following is a wrapper on the EventCreate utility provided in Windows. Note that to use this wrapper, the code must be executed from a console/IDE running as Administrator. The utility itself does extensive error-checking and validation, so apart from the check that 5 arguments have been supplied, no other validations or checks are performed.
<lang C>
/*Abhishek Ghosh, 6th October 2017*/
#include<stdlib.h>
#include<stdio.h>
int main(int argC,char* argV[])
{
char str[1000];
if(argC!=5)
printf("Usage : %s < Followed by level, id, source string and description>",argV[0]);
else{
sprintf(str,"EventCreate /t %s /id %s /l APPLICATION /so %s /d \"%s\"",argV[1],argV[2],argV[3],argV[4]);
system(str);
}
return 0;
}
</lang>
Invocation and output on console :
<pre>
C:\rosettaCode>eventLog.exe WARNING 458 SOmeString "This is a joke"
SUCCESS: An event of type 'WARNING' was created in the 'APPLICATION' log with 'SOmeString' as the source.
</pre>
Microsoft does provide an C/C++ API for EventCreate, but as with everything Microsoft, it's so wonderfully convoluted, that I will just give a link to the [https://msdn.microsoft.com/en-us/library/aa363680(v=vs.85).aspx ReportEvent] example.
=={{header|C sharp}}==
In Windows Vista and later or Windows Server 2003, you must have administrative privileges to execute this code.
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