Articles   Members Online: 3
-Article/Tip Search
-News Group Search over 21 Million news group articles.
-Delphi/Pascal
-CBuilder/C++
-C#Builder/C#
-JBuilder/Java
-Kylix
Member Area
-Home
-Account Center
-Top 10 NEW!!
-Submit Article/Tip
-Forums Upgraded!!
-My Articles
-Edit Information
-Login/Logout
-Become a Member
-Why sign up!
-Newsletter
-Chat Online!
-Indexes NEW!!
Employment
-Build your resume
-Find a job
-Post a job
-Resume Search
Contacts
-Contacts
-Feedbacks
-Link to us
-Privacy/Disclaimer
Embarcadero
Visit Embarcadero
Embarcadero Community
JEDI
Links
How to remove all components of a certain type at run time Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
21-Jan-03
Category
VCL-General
Language
Delphi All Versions
Views
106
User Rating
No Votes
# Votes
0
Replies
0
Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: William Gerbert

How to remove all components of a certain type at run time

Answer:

1   //implementation:
2   
3   procedure Tform1.freeInstances(aClass: TClass);
4   var
5     i: Integer;
6   begin
7     for i := formFacture.ControlCount - 1 downto 0 do
8       if (Controls[i] is aClass) then
9       begin
10        (Controls[i] as aClass).Free;
11          //instead of free you can put anything you need here
12      end;
13  end;
14  
15  //calling:
16  
17  procedure Tform1.Button1Click(Sender: TObject);
18  begin
19    freeInstances(TEdit); //will free all tedit on form1
20  end;


			
Vote: How useful do you find this Article/Tip?
Bad Excellent
1 2 3 4 5 6 7 8 9 10

 

Advertisement
Share this page
Advertisement
Download from Google

Copyright © Mendozi Enterprises LLC