127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
// **************************************************************************
|
|
//
|
|
// Copyright (c) 1997-1999 Microsoft Corporation.
|
|
//
|
|
// File: OAHELP.INL
|
|
//
|
|
// Description:
|
|
// OLE Automation Helpers for client code
|
|
//
|
|
// History:
|
|
//
|
|
// **************************************************************************
|
|
|
|
#ifndef _OAHELP_INL_
|
|
#define _OAHELP_INL_
|
|
|
|
class CBSTR
|
|
{
|
|
BSTR m_pStr;
|
|
public:
|
|
CBSTR() { m_pStr = 0; }
|
|
CBSTR(LPWSTR pSrc) { m_pStr = SysAllocString(pSrc); }
|
|
~CBSTR() { if (m_pStr) SysFreeString(m_pStr); }
|
|
operator BSTR() { return m_pStr; }
|
|
|
|
void Unbind() { m_pStr = 0; }
|
|
};
|
|
|
|
class CVARIANT
|
|
{
|
|
VARIANT v;
|
|
public:
|
|
CVARIANT() { VariantInit(&v); }
|
|
~CVARIANT() { VariantClear(&v); }
|
|
void Clear() { VariantClear(&v); }
|
|
|
|
operator VARIANT *() { return &v; }
|
|
VARIANT *operator &() { return &v; }
|
|
|
|
CVARIANT(LPWSTR pSrc) { VariantInit(&v); SetStr(pSrc); }
|
|
CVARIANT(LONG lSrc) { VariantInit(&v); SetLONG(lSrc); }
|
|
CVARIANT(BOOL b) { VariantInit(&v); SetBool(b); }
|
|
CVARIANT(short i) { VariantInit(&v); SetShort(i); }
|
|
CVARIANT(double d) { VariantInit(&v); SetDouble(d); }
|
|
CVARIANT(BYTE b) { VariantInit(&v); SetByte(b); }
|
|
CVARIANT(IDispatch * pDisp) { VariantInit(&v); pDisp->AddRef(); SetDispatch(pDisp); }
|
|
|
|
void SetStr(LPWSTR pSrc)
|
|
{ Clear(); V_VT(&v) = pSrc ? VT_BSTR : VT_NULL;
|
|
V_BSTR(&v) = pSrc ? SysAllocString(pSrc) : 0;
|
|
}
|
|
|
|
LPWSTR GetStr() { return V_VT(&v) == VT_BSTR ? V_BSTR(&v) : 0; }
|
|
operator LPWSTR() { return V_VT(&v) == VT_BSTR ? V_BSTR(&v) : 0; }
|
|
|
|
void SetLONG(LONG lSrc) { Clear(); V_VT(&v) = VT_I4; V_I4(&v) = lSrc; }
|
|
LONG GetLONG() { return V_I4(&v); }
|
|
operator LONG() { return V_I4(&v); }
|
|
|
|
void SetDouble(double dSrc) { Clear(); V_VT(&v) = VT_R8; V_R8(&v) = dSrc; }
|
|
double GetDouble() { return V_R8(&v); }
|
|
operator double() { return V_R8(&v); }
|
|
|
|
void SetByte(BYTE bySrc) { Clear(); V_VT(&v) = VT_UI1; V_UI1(&v) = bySrc; }
|
|
BYTE GetByte() { return V_UI1(&v); }
|
|
operator BYTE() { return V_UI1(&v); }
|
|
|
|
void SetBool(BOOL b) { V_VT(&v) = VT_BOOL; V_BOOL(&v) = b ? VARIANT_TRUE : VARIANT_FALSE; }
|
|
BOOL GetBool() { return V_BOOL(&v) == VARIANT_TRUE; }
|
|
operator BOOL() { return V_BOOL(&v); }
|
|
|
|
void SetDispatch(IDispatch* pDisp) { V_VT(&v) = VT_DISPATCH; V_DISPATCH(&v) = pDisp; }
|
|
IDispatch * GetDispatch() { return V_DISPATCH(&v); }
|
|
|
|
void SetUnknown(IUnknown* pUnk) { V_VT(&v) = VT_UNKNOWN; V_UNKNOWN(&v) = pUnk; }
|
|
IUnknown * GetUnknown() { return V_UNKNOWN(&v); }
|
|
|
|
void SetShort(short i) { V_VT(&v) = VT_I2; V_I2(&v) = i; }
|
|
short GetShort() { return V_I2(&v); }
|
|
operator short() { return V_I2(&v); }
|
|
|
|
VARTYPE GetType() { return V_VT(&v); }
|
|
|
|
void SetArray(SAFEARRAY *p, VARTYPE vt) { Clear(); V_VT(&v) = vt; V_ARRAY(&v) = p; }
|
|
// This function acquires the SAFEARRAY pointer and it is no longer owned
|
|
// by the caller.
|
|
|
|
operator SAFEARRAY *() { return (V_VT(&v) & VT_ARRAY ? V_ARRAY(&v) : 0); }
|
|
|
|
void Unbind() { VariantInit(&v); }
|
|
};
|
|
|
|
class CSAFEARRAY
|
|
{
|
|
SAFEARRAY *p;
|
|
public:
|
|
CSAFEARRAY(VARTYPE v, int nSize)
|
|
{
|
|
SAFEARRAYBOUND rgsabound[1];
|
|
rgsabound[0].lLbound = 0;
|
|
rgsabound[0].cElements = nSize;
|
|
p = SafeArrayCreate(v, 1, rgsabound);
|
|
}
|
|
|
|
~CSAFEARRAY() { if (p) SafeArrayDestroy(p); }
|
|
CSAFEARRAY(SAFEARRAY *pSrc) { p = pSrc; }
|
|
|
|
HRESULT Put(long nLocation, LPVOID pData) {
|
|
return SafeArrayPutElement(p, &nLocation, pData);
|
|
}
|
|
|
|
HRESULT Get(long nLocation, LPVOID pData) {
|
|
return SafeArrayGetElement(p, &nLocation, pData);
|
|
}
|
|
|
|
HRESULT Access(void **pData) { return SafeArrayAccessData(p, pData); }
|
|
HRESULT Unaccess() { return SafeArrayUnaccessData(p); }
|
|
|
|
operator SAFEARRAY *() { return p; }
|
|
long GetNumElements() { long upper; SafeArrayGetUBound(p, 1, &upper); return upper + 1; }
|
|
|
|
void Unbind() { p = 0; }
|
|
};
|
|
|
|
|
|
#endif
|