Delphi TMemo Blocking Mode?

Question

I have a huge String to add to a Memo in Delphi7. The String is about 1MB large and has many (Unicode) Characters. My Graphic Card is not the best (Intel GMA 500). I add the text with:

Memo1.Lines.Append(MyString);

However it looks like that the Procedure is faster than the drawing to my Memo. Is there a way how to code this in a "blocking mode" - which means the procedure ends when all the characters are drawn?

Thank you for your help.

Edit: I also used:

Memo1.Lines.BeginUpdate;
Memo1.Lines.Append(MyString);
Memo1.Lines.EndUpdate;

If you just need to display the text, you might be able to use TListView, which can be used in "virtual" mode. — Jouni Aro
I'm nearly positive that I don't understand, but in the slim chance that I do,.. no! Adding text and drawing the window contents are different procedures. At some point in time the memo has to be updated after the text has been added. Whatever you block, the update speed won't be affected. — Sertac Akyuz

Rob Kennedy Rob Kennedy · Accepted Answer · 2012-05-11T20:46:57

After adding your text, call Memo1.Update. That won't return until the memo has updated its display — it forces the memo to paint itself.

Delphi TMemo Blocking Mode?

1 Answers