Работа с ресурсами – загрузка иконки и курсора



Автор: Xavier Pacheco

{
Copyright © 1998 by Delphi 4 Developer's Guide - Xavier Pacheco and Steve Teixeira
}
program resource;
uses
Forms,
MainFrm in 'MainFrm.pas' {MainForm};
{$R *.RES}
{$R RESFILE2.RES} // Add the additional resource file
begin
Application.Initialize;
Application.CreateForm(TMainForm, MainForm);
Application.Run;
end.
{
Copyright © 1999 by Delphi 5 Developer's Guide - Xavier Pacheco and Steve Teixeira
}
unit MainFrm;
interface
uses
Windows, Forms, Controls, Classes, StdCtrls, ExtCtrls;
const
crXHair = 1; // Declare a constant for the new cursor. This value
type // must be a positive number. or less than -20.
TMainForm = class(TForm)
imgBitmap: TImage;
btnChemicals: TButton;
btnClear: TButton;
btnChangeIcon: TButton;
btnNewCursor: TButton;
btnOldCursor: TButton;
btnOldIcon: TButton;
btnAthena: TButton;
procedure btnChemicalsClick(Sender: TObject);
procedure btnClearClick(Sender: TObject);
procedure btnChangeIconClick(Sender: TObject);
procedure btnNewCursorClick(Sender: TObject);
procedure btnOldCursorClick(Sender: TObject);
procedure btnOldIconClick(Sender: TObject);
procedure btnAthenaClick(Sender: TObject);
end;
var
MainForm: TMainForm;
implementation
{$R *.DFM}
procedure TMainForm.btnChemicalsClick(Sender: TObject);
begin
{ Load the bitmap from the resource file. The bitmap must be
specified in all CAPS! }
imgBitmap.Picture.Bitmap.LoadFromResourceName(hInstance, 'CHEMICAL');
end;
procedure TMainForm.btnClearClick(Sender: TObject);
begin
imgBitmap.Picture.Assign(nil); // Clear the image
end;
procedure TMainForm.btnChangeIconClick(Sender: TObject);
begin
{ Load the icon from the resource file. The icon must be
specified in all CAPS! }
Application.Icon.Handle := LoadIcon(hInstance, 'SKYLINE');
end;
procedure TMainForm.btnNewCursorClick(Sender: TObject);
begin
{ Assign the new cursor to the Screen's Cursor array }
Screen.Cursors[crXHair] := LoadCursor(hInstance, 'XHAIR');
Screen.Cursor := crXHair; // Now change the cursor
end;
procedure TMainForm.btnOldCursorClick(Sender: TObject);
begin
// Change back to default cursor
Screen.Cursor := crDefault;
end;
procedure TMainForm.btnOldIconClick(Sender: TObject);
begin
{ Load the icon from the resource file. The icon must be
specified in all CAPS! }
Application.Icon.Handle := LoadIcon(hInstance, 'DELPHI');
end;
procedure TMainForm.btnAthenaClick(Sender: TObject);
begin
{ Load the bitmap from the resource file. The bitmap must be
specified in all CAPS! }
imgBitmap.Picture.Bitmap.LoadFromResourceName(hInstance, 'ATHENA');
end;
end.
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