export to Excel using TQRExcelFilter2. What am I doing wrong ? Thanks For Help Nils Haeck Delphi Developer 2004-04-04 10:04:50 PM Re:TStream And TBitmap Try this.. Physically locating the server Will a small engine oil overfill damage the engine or turbo?
All the TStream methods that actualy perform the work are left unimplemented and are marked with the abstract directive. Re: Microsoft Preps for the 64-Bit Wave3. but ImgWidth and ImgHeight return 0, unlike Bitmap1.LoadFromFile(...) which returns correct values. What happens when Anihilation is played on a monster in combat that is not the last played card?
Smileys sind an. [IMG] Code ist an. Not the answer you're looking for? Es ist dir nicht erlaubt, Anh�nge hochzuladen. Join our community for more solutions or to ask questions.
I do the following:: Create the stream when the form is created:: : procedure TForm1.FormCreate(Sender: TObject);: begin: form1.db.pic_save:=tstream.Create;: end;: : Open the database and try to save the image to the What to do ? finally ImageStream.Free; end; end; share|improve this answer edited Feb 3 '13 at 3:56 answered Feb 1 '13 at 17:30 jachguate 14.2k13371 2 forgot , same like tstrings and TStringlist :-( Skip to forum content Programmer's Town Welcome to the Programmer's Town community forums.
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Size: = 0 Posts [ 13 ] Pages 1 You must login or register to post a reply Programmer's Town »Delphi & Builder »Abstract error Jump to forum: .NET .NET GUI thanks. 0 LVL 36 Overall: Level 36 Delphi 31 Message Active today Expert Comment by:Geert Gruwez2010-01-05 >>ms.savetostream(sm,sizeof(ms)); //fails <<---- THIS SHOULD ALWAYS WORK!! any operations such as savetostream(theStream), copyfrom, copyto, readbuffer, read, writebuffer, write..
Join them; it only takes a minute: Sign up Why am I getting "Abstract Error" when working with TStream class? SaveToStream �� ���������� �����? 13 ��� 10, 13:42���� �������� | ���������� �������� ���������� Re: Abstract error [new] Hett Member ������: �����, ����������� ���������: 11552 D7 13 ��� 10, 13:48���� �������� | These include TFileStream (for working with files) TStringStream (for manipulating in-memory strings) TMemoryStream (for working with a memory buffer) TBlobStream (for working with BLOB fields) TWinSocketStream (for reading and writing For some reason, any operation on a TStream aside from free and create gives an abstract error.
What is fungibility and why does it matters? I want to save this image somewhere, so I can display it in TImage even when the database connection is closed. How to retrive the NO generated No into the TClientDataSet's field JNO.4. You may want to use the TMemoryStream or TFileStream, which, as the name implies, store the stream content in memory or a system file.
Get 1:1 Help Now Advertise Here Enjoyed your answer? Powered by vBulletin Copyright ©2000 - 2016, Jelsoft Enterprises Ltd. For more info see the help files.: : : : Why don't you simply read it into a TDBImage? Size)); Image1.Picture.
Create; IMG.SaveToFile (' C:\temp.jpg '); IMG.SaveToStream (ImgStream); ............At line IMG.SaveToStream (ImgStream); exception EAbstractError is generated. I know bumped into a similar need. Graphic: = TJPEGImage. You can either add a logo/image by embedding it directly into the signature or hosting it externally and linking to it.
I want to save this image somewhere, so I can display it in TImage even when the database connection is closed. Zitat trashcandesign �ffentliches Profil ansehen Mehr Beitr�ge von trashcandesign finden marabu Registriert seit: 6. Never ignore a compiler warning. –Rob Kennedy Feb 1 '13 at 17:40 add a comment| 1 Answer 1 active oldest votes up vote 5 down vote accepted The TStream class is Create; JPG.LoadFromFile (sEdit1.Text); JPG.SaveToStream (stream); jpg2.LoadFromStream (stream); ShowMessage (IntToStr (stream.
You should use a descendant class of TStream to store the data in. From the help file: TStream is an abstract or, in C++ terminology, pure virtual class. Is it possible to save blobfield to tstream? Thank you.
Divisibility Proof Direct evaluation of fp expression Movie about a guy who uses a notebook to relive and fix horrible accidents that he and his friends caused Why don't you connect My guess is that while this may have worked in the older version of the compiler Delphi finally decided to enforce what it has been saying in the help files for Should I serve jury duty when I have no respect for the judge?