Solved

How to make OnMessage.....

Posted on 2001-06-29
3
176 Views
Last Modified: 2010-04-06
How to make OnMessage event of your own, but that will capture messages even if Form of the application is not visible, which is after this lines:
    Form1.Visible:=False;
    Application.ShowMainForm:=False;
???
0
Comment
Question by:Jurica2505
3 Comments
 
LVL 27

Expert Comment

by:kretzschmar
ID: 6237019
what about

application.onmessage := MyMessageHandler; ?
0
 
LVL 13

Expert Comment

by:Epsylon
ID: 6237046
What messages do you want to receive, because when I put a TTimer on the form, it will still receive the OnTimer events...
0
 
LVL 3

Accepted Solution

by:
f15iaf earned 100 total points
ID: 6237159
This is the example of making onmessage event;


unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;

type
  Tmesevent=procedure(var mes:Tmessage)of object;
  TForm1 = class(TForm)
  private
    mesev:Tmesevent;
    { Private declarations }
  public
        procedure wndproc(var message:Tmessage);override;
  published
        property OnMessage:Tmesevent read mesev write mesev;
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
procedure Tform1.wndproc(var message:Tmessage);
begin
        if(assigned(mesev))then
        mesev(message);
        inherited wndproc(message);
end;
{$R *.DFM}

end.
0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

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

Suggested Solutions

Creating an auto free TStringList The TStringList is a basic and frequently used object in Delphi. On many occasions, you may want to create a temporary list, process some items in the list and be done with the list. In such cases, you have to…
Have you ever had your Delphi form/application just hanging while waiting for data to load? This is the article to read if you want to learn some things about adding threads for data loading in the background. First, I'll setup a general applica…
Windows 10 is mostly good. However the one thing that annoys me is how many clicks you have to do to dial a VPN connection. You have to go to settings from the start menu, (2 clicks), Network and Internet (1 click), Click VPN (another click) then fi…
This video shows how to use Hyena, from SystemTools Software, to bulk import 100 user accounts from an external text file. View in 1080p for best video quality.

815 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

Need Help in Real-Time?

Connect with top rated Experts

12 Experts available now in Live!

Get 1:1 Help Now