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// **************************************************
procedure TForm1.Button2Click(Sender: TObject);
// Du TRichMemo -> le champ Blob
var
Stream1: TBlobField;
MyMemoryStream : TMemoryStream;
begin
// Créer un BlobStream
MyMemoryStream := TmemoryStream.create;
try
// Récupérer un MemoryStream
RichMemo1.SaveRichText(MyMemoryStream);
// Injecter le MemoryStream dans le champ Blob
MyMemoryStream.position := 0;
(Dbf1.fieldByname('Champ_Blob') as TblobField).loadfromStream(MyMemoryStream); // MemoryStream -> Champ BlobField
finally
MyMemoryStream.Free;
end;
end;
// **************************************************
procedure TForm1.Button3Click(Sender: TObject);
begin
RichMemo1.Clear; // Effacer
end;
// **************************************************
procedure TForm1.Button4Click(Sender: TObject);
// Du champ Blob vers le TRichMemo
var
Stream1: TBlobField;
MyMemoryStream : TMemoryStream;
begin
// Créer un BlobStream
MyMemoryStream := TmemoryStream.create;
Try
// Récupérer un MemoryStream
(Dbf1.fieldByname('Champ_Blob') as TblobField).SaveToStream(MyMemoryStream);
// Injecter dans RichMemo le champ Blob
MyMemoryStream.position := 0;
RichMemo1.LoadRichText(MyMemoryStream);
finally
MyMemoryStream.free;
end;
end;
// ************************************************** |
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