The memory for FN is allocated at the top with StrAlloc() -- Alexander Grotewohl https://dcclost.com ________________________________ From: fpc-pascal <fpc-pascal-boun...@lists.freepascal.org> on behalf of Martin Frb via fpc-pascal <fpc-pascal@lists.freepascal.org> Sent: Wednesday, December 30, 2020 8:00 PM To: fpc-pascal@lists.freepascal.org <fpc-pascal@lists.freepascal.org> Cc: Martin Frb <laza...@mfriebe.de> Subject: Re: [fpc-pascal] GetClipboardFormatName causing an Error 216
On 31/12/2020 01:09, James Richters via fpc-pascal wrote: > Var > FN : LPTSTR; > > Begin > > FN:=''; > Writeln(Format_ID); > GetClipboardFormatName(Format_Id,FN,250); > Check the msdn help. https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getclipboardformatnamea FN must point to an existing buffer (allocated mem) that receives the result. FN : Array [0..255]of Byte; GotLen := GetClipboardFormatName(Format_Id, LPTSTR(@FN[0]),250); then "move()" the received bytes into a string, make sure to use UniqueString() or similar _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal