만해님이 알려주신 내용을 조금 정리했읍니다. 잘되네요... ^)^ 감사합니다..
밑에처럼하면 Form을 호출할 때 바로 띄울 수 있읍니다.
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#include "SHDocVw_OCX.h"
#include <mshtml.h>
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TMain    *Main;

__fastcall TMain::TMain(TComponent* Owner):TForm(Owner){
    Body->Navigate(WideString("About:blank"), EmptyParam, EmptyParam, EmptyParam, EmptyParam);
    }
//----------------------------------------------------------------------------------------------------------------------
void __fastcall TMain::FormShow(TObject *Sender){
    ShowHTML(" 만해님께 감사를 드립니다. "");
    }
//----------------------------------------------------------------------------------------------------------------------
void __fastcall TMain::ShowHTML(String aData){
    IHTMLDocument2 *dHTML;
    IHTMLElement   *dElem;
    if(S_OK == Body->Document->QueryInterface(IID_IHTMLDocument2,(void**)&dHTML)){
        if(S_OK == dHTML->get_body(&dElem)){
            dElem->put_innerHTML(WideString(aData));
            dElem->Release();
            }
        dHTML->Release();
        }
    Body->Document->Release();
    }
//----------------------------------------------------------------------------------------------------------------------