Solved

flip screen

Posted on 2001-06-23
1
2,452 Views
Last Modified: 2010-10-05
how do i flip the screen UPSIDE - DOWN and RETURN it to normal in a button click command?
0
Comment
Question by:stevenglass
1 Comment
 
LVL 3

Accepted Solution

by:
f15iaf earned 100 total points
ID: 6221643
unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Image1: TImage;
    procedure FormShow(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Image1Click(Sender: TObject);
  private
    { Private declarations }
  public
    can:Tcanvas;
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.FormShow(Sender: TObject);
var
        y:integer;
begin
        y:=0;
        for y:=0 to can.ClipRect.bottom do
        begin
                image1.Canvas.CopyRect(rect(0,y-1,can.ClipRect.Right,y),can,rect(0,can.ClipRect.bottom-y+1,can.ClipRect.Right,can.ClipRect.bottom-y));
        end;

end;

procedure TForm1.FormCreate(Sender: TObject);
begin
        borderstyle:=bsnone;
        formstyle:=fsstayontop;
        image1.Align:=alclient;
        left:=0;
        top:=0;
        height:=screen.height;
        width:=screen.width;
        can:=Tcanvas.create;
        can.handle:=getdc(0);
end;

procedure TForm1.Image1Click(Sender: TObject);
begin
        close;
end;

end.
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

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

Hello everybody This Article will show you how to validate number with TEdit control, What's the TEdit control? TEdit is a standard Windows edit control on a form, it allows to user to write, read and copy/paste single line of text. Usua…
Introduction Raise your hands if you were as upset with FireMonkey as I was when I discovered that there was no TListview.  I use TListView in almost all of my applications I've written, and I was not going to compromise by resorting to TStringGrid…
This is used to tweak the memory usage for your computer, it is used for servers more so than workstations but just be careful editing registry settings as it may cause irreversible results. I hold no responsibility for anything you do to the regist…
Video by: Mark
This lesson goes over how to construct ordered and unordered lists and how to create hyperlinks.

867 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

15 Experts available now in Live!

Get 1:1 Help Now