wbph1
buasuwan is right, it's is a matter of what your current directory is. However, if you are using PB 8 or 9 there is a function called ChangeDirectory(). No need for an external function anymore.
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Question
getfileopenname
hey,
I was wondering if it´s possible to define wich directory the open dialog most use...
for example i wnat it to open in c:\prefab but my current is c:\powerbuilder
how do i do that using the GetFileOpenName statement...
thanks,
willem
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Answers
Hi,
How does an external function exectly work?! I have never worked with this...:S
I put it in the main window and i used declare, external local functions.
this is the place where i put this script:
Function long SetCurrentDirectory(string
Function long GetCurrentDirectory(long nBufferLength, ref string lpBuffer) Library "kernel32" Alias for "GetCurrentDirectory"
however, when I execute the program i get an arror calling the external function GetCurrentDirectory.
what do i do wrong?!
thanks,
wbph1
wbph1
Well if you are using the PFC, the file service has an of_ChangeDirectory function which makes the external call for you. If not, here's the external function declaration. The external function declaration is a little different from what buasuwan gave you. In particular the use of the keyword "ref" is important otherwise the SetCurrentDirectoryA function won't be able to read the value you pass it.
Function boolean SetCurrentDirectoryA (ref string directoryname ) library "KERNEL32.DLL"
Then you can just call the function...
String ls_dir
ls_dir = //your value
SetCurrentDirectoryA(ls_di
Hi wbph1,
my code works on XP,2000 and 98. And I see the only problem you've found is that you have no directory c:\prefab. Then you still get the default directory in GetFileOpenName dialog.
EAServer,
the string parameter in external function always be reference pointer.
Function boolean SetCurrentDirectoryA (string directoryname ) library "KERNEL32.DLL"
Function boolean SetCurrentDirectoryA (ref string directoryname ) library "KERNEL32.DLL"
those are the same.
'ref string' is only need when you want to get data back from external function. you will see in this function GetCurrenctDirectory(). that's why i don't put ref in SetXXX function. and another reason is you can use value "c:\prefab" instead of ls_dir.
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by: buasuwanPosted on 2003-04-02 at 08:47:29ID: 8254798
you have to change current directory to c:\prefab and then call function GetFileOpenName(...)
here is the declaration of External Functions to be used.
Function long SetCurrentDirectory(string
Function long GetCurrentDirectory(long nBufferLength, ref string lpBuffer) Library "kernel32" Alias for "GetCurrentDirectory"
and script will be.
string ls_oldpath
// prepare the buffer of the last current directory and set back later
ls_oldpath = space(512)
GetCurrentDirectory(511, ls_oldpath)
string ls_path, ls_named
ls_path = "c:\prefab"
// change to your directory
SetCurrentDirectory(ls_pat
integer value
value = GetFileOpenName("Select File", &
+ ls_path, ls_named, "DOC", &
+ "Text Files (*.TXT),*.TXT," &
+ "Doc Files (*.DOC),*.DOC")
IF value = 1 THEN
// FileOpen(docname)
end if
// set currenct directory back to the old path
SetCurrentDirectory(ls_old