Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

a procedure in a component calls a main-menu-item on the main form

Posted on 2007-04-05
5
Medium Priority
?
175 Views
Last Modified: 2010-04-05
Dear experts,

Sorry, to bother you again.

I have put this procedure in my component:

1.  procedure TMyDrawingPanel.CursorFlashTimer_OnTImer(sender: TObject);
2.  begin
3.  CursorFlashTimer.Enabled := False;
4.   try
5.  CursorVisible := not CursorVisible;
6.  finally
7. //   if (not CursorVisible) or (miFlashCursor.Checked) then CursorFlashTimer.Enabled := True;
8.   end;
9. end;

I get an error at line 7.

Because line 7 referse to a main-menu-item called miFlashCursor on the main form.

Is there a way to do this, that a procedure in a component calls a main-menu-item
that is on the main form.

Peter
0
Comment
Question by:peterkiers
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
5 Comments
 
LVL 26

Expert Comment

by:EddieShipman
ID: 18859513
You will not always be able to be sure that that menu item even exists or even
named the same. The only thinkg you can do is to have the component store the
menu item that is being used to do this in another property and use that to "point"
to it.
0
 
LVL 1

Author Comment

by:peterkiers
ID: 18859617
Yes the menu-item will always exist and always named the same.

Because I use my component only in my application
0
 
LVL 26

Expert Comment

by:EddieShipman
ID: 18860225
If that is the case then you need to typecast the control's PARENT and then
access the menu item from there:

    if (not CursorVisible) or (TMyForm(Self.Parent).miFlashCursor.Checked) then
      CursorFlashTimer.Enabled := True;

Change TMyForm to the formthat your control is on.
0
 
LVL 26

Accepted Solution

by:
EddieShipman earned 2000 total points
ID: 18860228
Or just typecast it to TForm, that should work as well.
0
 
LVL 1

Author Comment

by:peterkiers
ID: 18860860
Your the best, thank you.

Peter Kiers
0

Featured Post

Important Lessons on Recovering from Petya

In their most recent webinar, Skyport Systems explores ways to isolate and protect critical databases to keep the core of your company safe from harm.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A lot of questions regard threads in Delphi.   One of the more specific questions is how to show progress of the thread.   Updating a progressbar from inside a thread is a mistake. A solution to this would be to send a synchronized message to the…
Introduction The parallel port is a very commonly known port, it was widely used to connect a printer to the PC, if you look at the back of your computer, for those who don't have newer computers, there will be a port with 25 pins and a small print…
In this video, Percona Solution Engineer Dimitri Vanoverbeke discusses why you want to use at least three nodes in a database cluster. To discuss how Percona Consulting can help with your design and architecture needs for your database and infras…
In this video, Percona Solution Engineer Rick Golba discuss how (and why) you implement high availability in a database environment. To discuss how Percona Consulting can help with your design and architecture needs for your database and infrastr…
Suggested Courses

722 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question