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73 lines
1.9 KiB
ObjectPascal
73 lines
1.9 KiB
ObjectPascal
unit Unit1;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, LCLVersion,
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StdCtrls;
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type
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{ TVersionForm }
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TVersionForm = class(TForm)
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Button1: TButton;
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Memo1: TMemo;
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procedure Button1Click(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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{ private declarations }
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public
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{ public declarations }
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end;
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var
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VersionForm: TVersionForm;
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implementation
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{$R unit1.lfm}
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{ TVersionForm }
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procedure TVersionForm.FormCreate(Sender: TObject);
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begin
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Memo1.Clear;
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// check if lcl_version is declared,
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// then we know if there is support for lcl version information
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{$if declared(lcl_version)}
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Memo1.Append('Example which uses the lcl version information');
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Memo1.Append(format('LCL Version: %s', [lcl_version]));
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Memo1.Append(format('LCL Major: %d', [lcl_major]));
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Memo1.Append(format('LCL Minor: %d', [lcl_minor]));
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Memo1.Append(format('LCL Release: %d', [lcl_release]));
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Memo1.Append(format('LCL Full Version: %d', [lcl_fullversion]));
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{$else}
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Memo1.Append('No lcl version information available');
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{$endif}
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end;
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procedure TVersionForm.Button1Click(Sender: TObject);
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begin
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Memo1.Clear;
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{$if (lcl_major=0) and (lcl_minor=9) and (lcl_release<26)}
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Memo1.Append('This program is compiled with lcl version before 0.9.26');
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// you cannot use features introduced in 0.9.26
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{$else}
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Memo1.Append('This program is compiled with lcl version 0.9.26 or later.');
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// you can use features available in 0.9.26
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{$endif}
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{$if (lcl_fullversion) > 93002}
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Memo1.Append('This program is compiled with lcl version after 0.9.30.2.');
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// you can use features available in 0.9.30.3 and later (e.g. 0.9.31)
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{$else}
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Memo1.Append('This program is compiled with lcl version 0.9.30.2 or before.');
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// you cannot use features introduced after 0.9.30.2
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{$endif}
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end;
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end.
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