Mega Code Archive
How to scroll to a certain Position in a TRichEdit TMemo
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Title: How to scroll to a certain Position in a TRichEdit/ TMemo
procedure TForm1.Button1Click(Sender: TObject);
var
itemp: Integer;
begin
with RichEdit1 do
begin
// Move to the last line:
// Zur letzten Zeile scrollen:
SelStart := Length(Text);
Perform(EM_SCROLLCARET, 0, 0);
// or: Perform(WM_VSCROLL, SB_BOTTOM,0);
// Move to the first line:
// Zur ersten Zeile Scrollen:
SelStart := Perform(EM_LINEINDEX, 0, 0);
Perform(EM_SCROLLCARET, 0, 0);
// Move to Line 5, Character 3:
// Cursor auf Linie 5, Postion 3 setzen:
SelStart := Perform(EM_LINEINDEX, 5, 0) + 3;
Perform(EM_SCROLLCARET, 0, 0);
// Scroll down 1 Line
// Eine linie nach unten scrollen
with RichEdit1 do
begin
itemp := SendMessage(Handle, EM_LINEFROMCHAR, SelStart, 0);
SelStart := Perform(EM_LINEINDEX, itemp + 1, 0);
Perform(EM_SCROLLCARET, 0, 0);
end;
// Set the focus on the RichEdit:
// Den Fokus aufs RichEdit setzten:
SetFocus;
end;
end;
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