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Pauli Haukka
Guest
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 Posted: Fri Apr 27, 2007 8:12 pm Post subject: External exception EEFFACE Options |
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I have a program that calls the other program like this:
this->Hide(); // hide application 1.
STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );
AnsiString SolverPath=ExePath+"..\\Solver\\Solver.exe";
// Start the child process.
if( !CreateProcess(
SolverPath.c_str(),
NULL, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable
FALSE, // Set handle inheritance to FALSE
0, // No creation flags
NULL, // Use parent's environment block
NULL, // Use parent's starting directory
&si, // Pointer to STARTUPINFO structure
&pi ) // Pointer to PROCESS_INFORMATION structure
)
// Wait until child process exits.
WaitForSingleObject( pi.hProcess, INFINITE );
// Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
this->Show(); // show application 1.
In the other program I have a iteration loop
while( newiter && ( !Form1->AbortIteration) )
{
....
Application->ProcessMessages();
....
}
User can abort iteration by pressing a button that will change value
of AbortIteration to true.
When I aborted execution several times I got error message "External
exception EEFFACE". Any idea what causes this and how to avoid it ?
~Pauli |
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Thomas Maeder [TeamB]
Guest
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| Posted: Fri Apr 27, 2007 8:48 pm Post subject: Re: External exception EEFFACE Options |
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"Pauli Haukka" <pauli.haukka (AT) tut (DOT) fi> writes:
| Quote: | When I aborted execution several times I got error message "External
exception EEFFACE". Any idea what causes this and how to avoid it ?
|
This sounds like an excellent question for the .nativeapi newsgroup.
Please direct your browser at http://info.borland.com/newsgroups/ and
read the newsgroup descriptions and guidelines. This will help you
find the appropriate newsgroup for your question. |
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Remy Lebeau (TeamB)
Guest
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| Posted: Fri Apr 27, 2007 9:28 pm Post subject: Re: External exception EEFFACE Options |
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"Pauli Haukka" <pauli.haukka (AT) tut (DOT) fi> wrote in message
news:463212bd$1 (AT) newsgroups (DOT) borland.com...
| Quote: | // Wait until child process exits.
WaitForSingleObject( pi.hProcess, INFINITE );
|
You are calling that when CreateProcess() fails instead of when it
succeeds.
| Quote: | // Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
|
You are calling that regardless of whether CreateProcess() succeeds or
fails.
| Quote: | When I aborted execution several times I got error message
"External exception EEFFACE". Any idea what causes this
and how to avoid it ?
|
EEFFACE is a special exception type that means you allowed a C++
language exception to escape into the Delphi runtime. The VCL is
written in Delphi Pascal, and it doesn't know how to handle C++
exceptions. So something inside your C++ code is throwing a non-VCL
exception that you are not catching. It is likely in one of your
component event handlers.
Gambit |
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