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// ÅжÏÊÇ·ñÊÇÊýÖµÐÍ By yangxiao 2007.7.21
function isNumeric(strText: WideString): Boolean;
var
s: string;
i, l, p: Integer;
begin
Result := False;
l := Length(strText);
if l = 0 then Exit;
s := '';
for i:=1 to l do
begin
case strText[i] of
'0'..'9':
s := s + strText[i];
'E', 'e', '+', '-', '.':
begin
p := PosEx(strText[i], strText, i+1);
if p = 0 then
begin
case strText[i] of
'E', 'e':
if (i=1) or (i=l) then Exit;
'+', '-':
if i > 1 then
case strText[i-1] of
'E', 'e':
s := s + strText[i];
else
Exit;
end;
end;
end
else
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procedure CopyFile(fromFileName,ToFileName:string);
var
f1,f2:file;
Begin
AssignFile(f1,fromFileName); file://Ö¸¶¨Ô´ÎļþÃû
AssignFile(f2,ToFileName); file://Ö¸¶¨Ä¿±êÎļþÃû
Reset(f1);
Try
Rewrite(f2);
Try
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WINSHELLAPI int WINAPI SHFileOperation(
LPSHFILEOPSTRUCT lpFileOp
);
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unit Unit1;
interface
uses
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