# *Qt for Com 交互*

Qt	COM
Q_PROPERTY	ActiveX properties
public slots	ActiveX methods
signals	ActiveX events

Qt 属性支持的数据类型

Qt data type	COM property
bool	VARIANT_BOOL
QString	BSTR
int	int
uint	unsigned int
double	double
qlonglong	CY
qulonglong	CY
QColor	OLE_COLOR
QDate	DATE
QDateTime	DATE
QTime	DATE
QFont	IFontDisp*
QPixmap	IPictureDisp*
QVariant	VARIANT
QVariantList(same as QList)	SAFEARRAY(VARIANT)
QStringList	SAFEARRAY(BSTR)
QByteArray	SAFEARRAY(BYTE)
QRect	User defined type
QSize	User defined type
QPoint	User defined type

Qt 信号和槽支持的数据类型

Qt data type	COM parameter
bool	[in]VARIANT_BOOL
bool&	[in, out] VARIANT_BOOL*
QString, const QString&	[in] BSTR
QString&	[in, out] BSTR*
QString&	[in, out] BSTR*
int	[in] int
int&	[in,out] int
uint	[in] unsigned int
uint&	[in, out] unsigned int*
double	[in] double
double&	[in, out] double*
QColor, const QColor&	[in] OLE_COLOR
QColor&	[in, out] OLE_COLOR*
QDate, const QDate&	[in] DATE
QDate&	[in, out] DATE*
QDateTime, const QDateTime&	[in] DATE
QDateTime&	[in, out] DATE*
QFont, const QFont&	[in] IFontDisp*
QFont&	[in, out] IFontDisp**
QPixmap, const QPixmap&	[in] IPictureDisp*
QPixmap&	[in, out] IPictureDisp**
QList, const QList&	[in] SAFEARRAY(VARIANT)
QList&	[in, out] SAFEARRAY(VARIANT)*
QStringList, const QStringList&	[in] SAFEARRAY(BSTR)
QStringList&	[in, out] SAFEARRAY(BSTR)*
QByteArray, const QByteArray&	[in] SAFEARRAY(BYTE)
QByteArray&	[in, out] SAFEARRAY(BYTE)*
QObject*	[in] IDispatch*
QRect&	[in, out] struct QRect (user defined)
QSize&	[in, out] struct QSize (user defined)
QPoint&	[in, out] struct QPoint (user defined)