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- uses
- Graph;
- var
- GraphDriver, GraphMode : integer;
- ErrorCode : integer;
- begin
- GraphDriver := Detect;
- InitGraph(GraphDriver, GraphMode, '');
- ErrorCode := GraphResult;
- if ErrorCode <> grOK then
- begin
- Writeln('Graphics error: ', GraphErrorMsg(ErrorCode));
- Readln;
- Halt(1);
- end;
- Line(0, 0, GetMaxX, GetMaxY);
- Readln;
- CloseGraph;
- end.