//---------------------------读数据到olevariant//pfileName:带路径的文件名function Getobj(pfileName:string): OleVariant;var fs:TFileStream;begin fs := TFileStream.Create(pfileName,fmOpenRead); try result := VarArrayCreate([0,fs.size-1],varbyte); fs.position := 0; fs.readbuffer(varArrayLock(result)^, fs.size); finally fs.free; varArrayunlock(result); end;end;
//---------------------------从 olevariant 写到新文件function writeFileFromOle(pfileName:string;pOleVariant:OleVariant):integer;var fs:TFileStream;begin result:=0; fs := TFileStream.Create(pfileName,fmCreate); try try fs.WriteBuffer(varArrayLock(pOleVariant)^, VarArrayHighBound(pOleVariant,1)+1); except result:=-1; end; finally fs.free; varArrayunlock(pOleVariant); end;end;
------------------------------ 函数说明://取得数组A的第Dim维的长度function VarArrayHighBound(const A: Variant; Dim: Integer): Integer; //创建数组function VarArrayCreate(const Bounds: array of Integer; VarType: Integer): Variant;
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