Solved

Windows cursor

Posted on 2002-04-20
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Last Modified: 2012-05-04
How can I change Windows cursor by using Delphi.

For example :
When I click a button, the program will change Windows cursor with my own cursor.
Then if I click another button, the program will restore the previous Windows cursor.

Thanks

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Comment
Question by:totok
5 Comments
 
LVL 5

Accepted Solution

by:
alanwhincup earned 100 total points
ID: 6955873
You could try something like this:

Here is an example:

to use it just place 2 buttons on a form and make sure they corespond to the events like below. Also
make sure you have a cursor called 'Cursor1' in your res file. Cursors can also be loaded from other
places.

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  OldCursor : HCursor;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
  NewCursor : HCursor;
begin
  NewCursor := LoadCursor(HInstance, 'Cursor1'); // Load New Cursor from res file for example.
  OldCursor := GetCursor; // Save handle of old cursor.
  SetSystemCursor(NewCursor, OCR_NORMAL); // Use new cursor.
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  SetSystemCursor(OldCursor, OCR_NORMAL); // Restore old cursor.
end;

end.

Cheers,

Alan
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Expert Comment

by:ginsonic
ID: 6955973
What can I tell more :

OCR_NORMAL Normal arrow cursor  
OCR_IBEAM I-beam cursor  
OCR_WAIT Larger hourglass cursor  
OCR_CROSS Crosshair cursor  
OCR_UP Up arrow cursor  
OCR_SIZE Size cursor (Windows NT only). Same as OCR_SIZEALL.  
OCR_ICON Icon cursor (Windows NT only) -
OCR_SIZENWSE NW to SE sizing cursor  
OCR_SIZENESW NE to SW sizing cursor  
OCR_SIZEWE Horizontal sizing cursor  
OCR_SIZENS Vertical sizing cursor  
OCR_SIZEALL Horizontal and vertical sizing cursor. Also the Moving cursor.  
OCR_SIZENO International no symbol cursor  
OCR_APPSTARTING Smaller hourglass with arrow cursor  
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Expert Comment

by:DelFreak
ID: 6962879
Listening...
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Expert Comment

by:Moondancer
ID: 6975578
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