数据库中有一个varbinary格式字段pr_info,现在需要将其读取显示到richvieweditor中显示。有下面一段代码,但是总是报错说格式转换错误。
procedure TRichviewEditor.LoadFromStream();
var
mystream:TBlobStream;
begin
with dmarticle.adqarticle do
begin
mystream := TBlobStream(CreateBlobStream(FieldByName('pr_info'),bmRead));
m_Edit.LoadRVFFromStream(mystream);
m_Edit.Format;
mystream.Free;
end;
end;
请知道的朋友不吝赐教,应该如何修改呢?
procedure TRichviewEditor.LoadFromStream();
var
mystream:TBlobStream;
begin
with dmarticle.adqarticle do
begin
mystream := TBlobStream(CreateBlobStream(FieldByName('pr_info'),bmRead));
m_Edit.LoadRVFFromStream(mystream);
m_Edit.Format;
mystream.Free;
end;
end;
请知道的朋友不吝赐教,应该如何修改呢?
RVT 或许是结构化的存储结构的