Solved

how do i check if there is no filename?

Posted on 1998-02-13

Delphi

1 solution

154 Views

Last Modified: 2010-04-04

how do i check if there is no filename entered in the
open file dialog and the user just press the cancel button
in the open file dialog?
procedure TEditForm.Open(const FileName: string);
begin
PathName := FileName;
Editor.Lines.LoadFromFile(PathName);
Editor.SelStart := 0; <- error here when the user presses the cancel button in open file dialog...

Caption := ExtractFileName(PathName);
Editor.Modified := False;
end;

Comment

Question by:superboy

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2 Comments

Accepted Solution

by:puppy

puppy earned 10 total points

ID: 13591841998-02-14

hi superboy,
try this:
procedure TForm1.Button1Click(Sender: TObject);
label ok,nofile;
begin
OpenDialog1.execute;
if opendialog1.filename = '' then goto nofile
else goto ok;
ok:
editor.lines.loadfromfile(opendialog1.filename);
...
nofile:
end;

Author Comment

by:superboy

ID: 13591851998-02-15

i solved this problem already..i set a boolean flag to true when opening a file and this affects the canel button..the boolean flag is fileopened..thanx anyway..

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