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<< Click to Display Table of Contents >> Navigation: Apollo VCL Components > Apollo VCL Component Reference > TApolloTable > TApolloTable Methods > GetBinary |
Declaration
function GetBinary( sField: String; var Buffer: PChar );
Description
Retrieves a binary value that was stored in a memo field using PutBinary.
Parameters
sField: The name of the memo field that holds the binary data.
Buffer: A pointer to a pre-initialized memory object of the correct size. Use FieldWidth to determine the size of the field.
Delphi Example
// Retrieve an encrypted field
procedure TForm1.Button1Click(Sender: TObject);
var
cpVar: PChar;
iSize: Integer;
sVal: String;
begin
iSize := ApTbl.FieldWidth( 'PASSWORD' );
GetMem( cpVar, iSize+1 );
ApTbl.GetBinary( 'PASSWORD', cpVar );
sVal := String( ApTbl.Decrypt( cpVar, 'FooBar', iSize ));
ShowMessage( 'Password is: ' + sVal );
FreeMem( cpVar );
end;
See Also