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Maximizing a form.

Posted on 2007-03-22
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Last Modified: 2010-04-05
Hi Experts,
I have a form that contains a lot of components. Some of these components contain other components.(for example a pagecontrol which contains tabsheets which contains labels containing other labels). When I maximize this form at runtime, all the components stay in one corner. How do I get the components to spread out and fill the form when it is maximized. When searching through the answers database, it said to set the align property to 'alclient'. Did it mean the form itself or of each component?
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Question by:QurbanDurrani
13 Comments
 
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Accepted Solution

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Hardi earned 400 total points
ID: 18776279
You can set the anchors of components.
Align to alClient will maximise the control, so that it's size is the same as its parent
You may also want to put some controls in a panel, and set the panel's Align property. Eg. set one of them to alLeft, the other to alClient, so when resized, only the one with alClient gets larger (in Width).
You may also want to drop Splitter between those panels so they can be resized manually.
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Expert Comment

by:kosturdur
ID: 18776286
-if you want your form run in maximized changed form.windowstate = wsmaximized
-if you want your pagecontrol maximized when the form maximized form change pageconrol.align=alclient
kosturdur
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Expert Comment

by:Hardi
ID: 18776304
I should correct
"Align to alClient will maximise the control, so that it's size is the same as its parent"
to
Align to alClient will maximise the control to fill as much space as possible, so that it's size could be as large as its parent (but no more)
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LVL 6

Expert Comment

by:Hardi
ID: 18777187
You can play around with this. Try resizing the form and try the spliiter. Pay attention to each component's Align and Anchors

Unit1.dfm
========
object Form1: TForm1
  Left = 192
  Top = 114
  Width = 559
  Height = 349
  Caption = 'Form1'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object Splitter1: TSplitter
    Left = 185
    Top = 0
    Height = 315
  end
  object Panel1: TPanel
    Left = 0
    Top = 0
    Width = 185
    Height = 315
    Align = alLeft
    Caption = 'Panel1'
    TabOrder = 0
    DesignSize = (
      185
      315)
    object Label1: TLabel
      Left = 120
      Top = 269
      Width = 32
      Height = 13
      Anchors = [akRight, akBottom]
      Caption = 'Label1'
    end
  end
  object Panel2: TPanel
    Left = 188
    Top = 0
    Width = 363
    Height = 315
    Align = alClient
    Caption = 'Panel2'
    TabOrder = 1
    DesignSize = (
      363
      315)
    object Button1: TButton
      Left = 24
      Top = 24
      Width = 309
      Height = 49
      Anchors = [akLeft, akTop, akRight, akBottom]
      Caption = 'Button1'
      TabOrder = 0
    end
  end
end

========
Unit1.pas
========
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Splitter1: TSplitter;
    Panel2: TPanel;
    Button1: TButton;
    Label1: TLabel;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

end.
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LVL 6

Assisted Solution

by:saravananvg
saravananvg earned 100 total points
ID: 18777482
Hello Sir
 You could use either anchor property for each component or a vcl called GTSizer which will automatically change the size of the controls based upon the change in the size of the form or the resolution. But the best way is to use the anchor property for each component.

with regards,
padmaja.
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Author Comment

by:QurbanDurrani
ID: 18781999
Thanks to all.
Saravananvq, Why do you say it is better to use anchor property  for each component rather than GTSizer?
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LVL 6

Expert Comment

by:Hardi
ID: 18783037
You can easily do it using anchors and align, and OnResize if you need to (eg. to keep a component in the centre). Why would you download another component.
Well that's just my opinion =P
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Author Comment

by:QurbanDurrani
ID: 18789288
Sure, but for an application that already exists, I would have to do this for very component on every form.
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Expert Comment

by:Hardi
ID: 18789746
I see.
I think GTSizer can do the all resize automatically, as well as the fonts depending on user's screen resolution. It must be a handy component.
Why dont you give the trial version a try
http://www.genotechs.com/downloads.html
You can compare how much easier and better it is than setting anchors manually, and decide whether to buy it or not :-)
0
 

Author Comment

by:QurbanDurrani
ID: 18789777
Thanks hardi for such a prompt comment on a sunday. I have been playing around with the trial version of GTSizer and it seems to work ok for the most part. A friend of mine suggested a 'TFormSize' component from 'tmssoftware.com' which is lot cheeper but does not have a trial version available to play around with. Do you know about the capabilities of this component?
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Expert Comment

by:Hardi
ID: 18789856
I don't know about TFormSize, but I found it here
http://www.tmssoftware.com/formsize.htm
but it doesn't mention auto-resizing components, and you can download it for free.
May be it's not the component you're looking for? =P
Btw it's monday morning here in Australia :-D
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Author Comment

by:QurbanDurrani
ID: 18789881
Thanks to everyone for your help.
Hardi, So you are in Australia, I am in Canada. You know I have been working in the technical field for some time now, but it's impect on the humanity still amazes me sometimes. Just look at us, Someone in Australia helping someone in Canada pretty much realtime. Thanks again.
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LVL 6

Expert Comment

by:Hardi
ID: 18789903
Glad to help :-)
Yea... unbelievable isn't it... this world is getting smaller with technologies ^^
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