OLE Functions

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

The following table shows the OLE functions with a description of the purpose of each.

Note

 Windows Mobile may not support all of the programming elements in this section. For information about differences between the COM implementation available for Windows Mobile devices and that available for Windows Embedded CE devices, see COM and DCOM in Windows Mobile Devices.

Programming element	Description
CreateOleAdviseHolder	This function instantiates an advise holder object for managing compound document notifications.
CreateStreamOnHGlobal	This function creates a stream object stored in global memory.
GetHGlobalFromStream	This function retrieves the global memory handle to a stream that was created through a call to the CreateStreamOnHGlobal function.
OleCreate	This function creates an embedded object identified by a CLSID.
OleDraw	This helper function provides a convenient way to draw objects by encapsulating the IViewObject::Draw method and other related maintenance functions for the drawing rectangle.
OleIsRunning	This function determines whether a compound document object is currently in the running state.
OleLoadFromStream	This function loads an object from the stream.
OleRun	This function puts an OLE compound document object into the running state.
OleSave	This function saves an object opened in transacted mode into the specified storage object.
OleSaveToStream	This function saves an object with the IPersistStream interface on it to the specified stream.
OleSetContainedObject	This function notifies an object embedded in an OLE container to ensure correct reference.
OleSetMenuDescriptor	This function installs or removes OLE dispatching code from the container's frame window.
ReleaseStgMedium	This function frees the specified storage medium.
VarBoolFromI1	This function converts variant data types to BOOL from char.
VarBoolFromUI2	This function converts variant data types to BOOL from unsigned short.
VarBoolFromUI4	This function converts variant data types to BOOL from unsigned long.
VarBstrFromI1	This function converts variant data types to BSTR from char.
VarBstrFromUI2	This function converts variant data types to BSTR from unsigned short.
VarBstrFromUI4	This function converts variant data types to BSTR from unsigned long.
VarCyFromI1	This function converts variant data types to CURRENCY from char.
VarCyFromUI2	This function converts variant data types to CURRENCY from unsigned short.
VarCyFromUI4	This function converts variant data types to CURRENCY from unsigned long.
VarDateFromI1	This function converts variant data types to DATE from char.
VarDateFromUI2	This function converts variant data types to DATE from unsigned short.
VarDateFromUI4	This function converts variant data types to DATE from unsigned long.
VarDecFromI1	This function converts variant data types to DECIMAL from char.
VarDecFromUI2	This function converts variant data types to DECIMAL from unsigned short.
VarDecFromUI4	This function converts variant data types to DECIMAL from unsigned long.
VarI1FromBool	This function converts variant data types to char from BOOL.
VarI1FromCy	This function converts variant data types to char from CURRENCY.
VarI1FromDate	This function converts variant data types to char from DATE.
VarI1FromDec	This function converts variant data types to char from DECIMAL.
VarI1FromDisp	This function converts variant data types to char from IDispatch.
VarI1FromI2	This function converts variant data types to char from short.
VarI1FromI4	This function converts variant data types to char from long.
VarI1FromR4	This function converts variant data types to char from float.
VarI1FromR8	This function converts variant data types to char from double.
VarI1FromStr	This function converts variant data types to char from BSTR.
VarI1FromUI1	This function converts variant data types to char from BYTE.
VarI1FromUI2	This function converts variant data types to char from unsigned short.
VarI1FromUI4	This function converts variant data types to char from unsigned long.
VarI2FromI1	This function converts variant data types to short from CHAR.
VarI2FromUI2	This function converts variant data types to short from unsigned short.
VarI2FromUI4	This function converts variant data types to short from unsigned long.
VarI4FromI1	This function converts variant data types to long from CHAR.
VarI4FromUI2	This function converts variant data types to long from unsigned short.
VarI4FromUI4	This function converts variant data types to long from unsigned long.
VarR4FromI1	This function converts variant data types to float from double.
VarR4FromUI2	This function converts variant data types to float from unsigned short.
VarR4FromUI4	This function converts variant data types to float from unsigned Long.
VarR8FromI1	This function converts variant data types to double from char.
VarR8FromUI2	This function converts variant data types to double from unsigned short.
VarR8FromUI4	This function converts variant data types to double from unsigned long.
VarUI1FromI1	This function converts variant data types to BYTE from char.
VarUI1FromUI2	This function converts variant data types to BYTE from unsigned short.
VarUI1FromUI4	This function converts variant data types to BYTE from unsigned long.
VarUI2FromBool	This function converts variant data types to unsigned short from BOOL.
VarUI2FromCy	This function converts variant data types to unsigned short from CURRENCY.
VarUI2FromDate	This function converts variant data types to unsigned short from DATE.
VarUI2FromDec	This function converts variant data types to unsigned short from DECIMAL.
VarUI2FromDisp	This function converts variant data types to unsigned short from IDispatch.
VarUI2FromI1	This function converts variant data types to unsigned short from char.
VarUI2FromI2	This function converts variant data types to unsigned short from short.
VarUI2FromI4	This function converts variant data types to unsigned short from long.
VarUI2FromR4	This function converts variant data types to unsigned short from float.
VarUI2FromR8	This function converts variant data types to unsigned short from double.
VarUI2FromStr	This function converts variant data types to unsigned short from BSTR.
VarUI2FromUI1	This function converts variant data types to unsigned short from BYTE.
VarUI2FromUI4	This function converts variant data types to unsigned short from unsigned long.
VarUI4FromBool	This function converts variant data types to unsigned long from BOOL.
VarUI4FromCy	This function converts variant data types to unsigned long from CURRENCY.
VarUI4FromDate	This function converts variant data types to unsigned long from DATE.
VarUI4FromDec	This function converts variant data types to unsigned long from DECIMAL.
VarUI4FromDisp	This function converts variant data types to unsigned long from IDispatch.
VarUI4FromI1	This function converts variant data types to unsigned long from char.
VarUI4FromI2	This function converts variant data types to unsigned long from short.
VarUI4FromI4	This function converts variant data types to unsigned long from long.
VarUI4FromR4	This function converts variant data types to unsigned long from float.
VarUI4FromR8	This function converts variant data types to unsigned long from double.
VarUI4FromStr	This function converts variant data types to unsigned long from BSTR.
VarUI4FromUI1	This function converts variant data types to unsigned long from BYTE.
VarUI4FromUI2	This function converts variant data types to unsigned long from unsigned short.

See Also

Reference

OLE Reference