getSaveFileName and getOpenFileName Crash

[pmohod]

Hello all,
I am developing an application on Qt-4.6.2 on window platform.
I am using windows XP professional version 2002 with SP3.

struct {
      char  Dir[_MAX_PATH];
      char  Filter[128];
   } Param;
 
 strcpy (Param.Dir,    ".");
 strcpy (Param.Filter, "*");
 
QString f = Q3FileDialog::getSaveFileName (Param.Dir, Param.Filter, 0, 0, Title); // crash

struct {
      char  Dir[_MAX_PATH];
      char  Filter[128];
   } Param;

 strcpy (Param.Dir,    ".");
 strcpy (Param.Filter, "*");

QString f = Q3FileDialog::getSaveFileName (Param.Dir, Param.Filter, 0, 0, Title); // crash

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Here the application is crashing on the last line of code.

Here are some of my observations:

1) QString f = Q3FileDialog::getSaveFileName ("", Param.Filter, 0, 0, Title);
-- OK Works fine

2) QString f = Q3FileDialog::getSaveFileName (" ", Param.Filter, 0, 0, Title);
-- Crash

3) QString f = Q3FileDialog::getSaveFileName ("C:\\", Param.Filter, 0, 0, Title);
-- Crash

Interestingly when I tried the same application with same dlls on my colleague's machine, it is working fine with all options(mentioned above 1,2,3) .

The similar situation arise with Q3FileDialog::getOpenFileName() function also.

Please provide me any help regarding this issue.









it works fine.

[TheJim01]

Is your entire application in Qt 4.6.2? If so, please consider using QFileDialog instead of Q3FileDialog, which is only provided to keep old Qt3 code working.

[pmohod]

Is your entire application in Qt 4.6.2? If so, please consider using QFileDialog instead of Q3FileDialog, which is only provided to keep old Qt3 code working.

Thanks TheJim01,
After replacing Q3FileDialog with QFileDialog, it is working fine.
Thanks once again for prompt reply.