Article View: borland.public.cppbuilder.nativeapi
Article #5665Drag 'n Drop of a folder (with textfiles) into a ListBox - confuse effect...
From: Oren Halvani
Date: Tue, 02 Aug 2005 00:32
Date: Tue, 02 Aug 2005 00:32
77 lines
3426 bytes
3426 bytes
dear builders,
again a strange drag 'n drop problerm...
i want my programm to be able to recognize folders
and drop their file-content into my ListBox (name: FileBox)
so, i've tryed the below code..the while loop seems to work
but after more testing, i have note that my ListBox is not longer
working properly - the OnClick, OnDoubleClick, OnKeyPress
and other Events are not working at all...WHY???
what is wrong here again...? i know the problem is in the while loop
but can someone describe it to me so i can fix it...?
thanks for any help....
Oren
/*************************************************************/
void __fastcall TfrmMainUnit::WMDropFiles(TWMDropFiles &Message)
{
int ilFilesCount, ilStrLength;
char caFileName[MAX_PATH];
ilFilesCount = DragQueryFile((HDROP)Message.Drop, -1, NULL, 0);
// step through all dropped files - even if they are folders...
/*****************************************************************/
for(int ilIndex = 0; ilIndex < ilFilesCount; ilIndex++)
{
ilStrLength = DragQueryFile((HDROP)Message.Drop,ilIndex,NULL,0);
DragQueryFile((HDROP)Message.Drop, ilIndex, caFileName, ilStrLength+1);
// is it a folder...?
/*****************************************************************/
if(FileGetAttr(caFileName) & faDirectory)
{
String filename = caFileName, wildcard = "\\*.*", strResult = filename + wildcard;
char const * Result = strResult.c_str();
TSearchRec searchRecord;
int result = FindFirst(Result, faAnyFile ^ faDirectory, searchRecord);
while(result == 0)
{
// ***** HERE'S THE WIRED ERROR *****
if(IsAscii(caFileName)) // is it a text-file..?
{
FileBox->Items->Add(searchRecord.Name);
}
result = FindNext(searchRecord);
}
FindClose(searchRecord);
}
/*****************************************************************/
else
{
if(IsAscii(caFileName)) // is it a text-file..?
{
FileShow(caFileName);
SaveRegFiles();
FileBox_Operations();
}
else
{
MessageBox(NULL, msg_BinaryFile.c_str(), msg_BinaryFileTitle.c_str(),
MB_OK|MB_DEFBUTTON2|MB_ICONWARNING|MB_SETFOREGROUND|MB_TOPMOST);
}
}
if(ilFilesCount > 1) txtCurrentFile->Text = caFileName;
}
}
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