AltCallingConvention, Library, StdCall, StdCallLibrary
Oleaut32.dll Interface.
Verschachtelte Klassen
Felder
static final int
The Constant DISPATCH_METHOD.
static final int
The Constant DISPATCH_PROPERTYGET.
static final int
The Constant DISPATCH_PROPERTYPUT.
static final int
The Constant DISPATCH_PROPERTYPUTREF.
static final int
An array that is allocated on the stac.
static final int
static final int
static final int
An array that is embedded in a structure.
static final int
An array that is embedded in a structure.
static final int
An array that is embedded in a structure.
static final int
An array that has a variant type.
static final int
An array that is embedded in a structure.
static final int
Bits reserved for future use.
static final int
An array that is statically allocated.
static final int
static final int
static final short
For VT_BOOL to VT_BSTR conversions, convert to "True"/"False" instead of "-1"/"0"
static final short
SOUTHASIA calendar support
static final short
static final short
SOUTHASIA calendar support
static final short
For VT_BOOL to VT_BSTR and back, convert to local language rather than English
static final short
For conversions to/from VT_BSTR, passes LOCALE_NOUSEROVERRIDE to core coercion routines
static final short
static final short
NLS function call support
Retrieves a pointer to a running object that has been registered with OLE.
Uses registry information to load a type library.
Loads and registers a type library.
Lock array and retrieve pointer to data
Creates a new array descriptor, allocates and initializes the data for the array, and returns a pointer to the new array descriptor.
Destroys an existing array descriptor and all of the data in the array.
Return number of dimensions of the SAFEARRAY
Retrieves a single element of the array.
Get size of one element in bytes
Retrieve the lower bound for the specified dimension of the supplied array
Retrieve the upper bound for the specified dimension of the supplied array
Return VARTYPE of the SAFEARRAY
Increments the lock count of an array, and places a pointer to the array data in pvData of the array descriptor.
Retrieves the pointer to a single element of the array.
Stores the data element at the specified location in the array.
Changes the right-most (least significant) bound of the specified safe array.
Unlock array and invalidate the pointer retrieved via SafeArrayAccessData
Decrements the lock count of an array so it can be freed or resized.
This function allocates a new string and copies the passed string into it.
void
This function frees a string allocated previously by SysAllocString, SysAllocStringByteLen, SysReAllocString, SysAllocStringLen, or SysReAllocStringLen.
int
Returns the length (in bytes) of a BSTR.
int
Returns the length of a BSTR.
int
Converts a system time to a variant representation.
Converts a variant from one type to another.
Converts a variant from one type to another.
Use this function to clear variables of type VARIANTARG (or VARIANT) before the memory containing the VARIANTARG is freed (as when a local variable goes out of scope).
First, free any memory that is owned by pvargDest, such as VariantClear (pvargDest must point to a valid initialized variant, and not simply to an uninitialized memory location).
void
The VariantInit function initializes the VARIANTARG by setting the vt field to VT_EMPTY.
void
The VariantInit function initializes the VARIANTARG by setting the vt field to VT_EMPTY.
int
Converts a variant representation of time to a system time.
The instance.
static final int DISPATCH_METHOD
The Constant DISPATCH_METHOD.
static final int DISPATCH_PROPERTYGET
The Constant DISPATCH_PROPERTYGET.
static final int DISPATCH_PROPERTYPUT
The Constant DISPATCH_PROPERTYPUT.
static final int DISPATCH_PROPERTYPUTREF
The Constant DISPATCH_PROPERTYPUTREF.
static final int FADF_AUTO
An array that is allocated on the stac.
static final int FADF_STATIC
An array that is statically allocated.
static final int FADF_EMBEDDED
An array that is embedded in a structure.
static final int FADF_FIXEDSIZE
An array that is embedded in a structure.
static final int FADF_RECORD
An array that is embedded in a structure.
static final int FADF_HAVEIID
An array that is embedded in a structure.
static final int FADF_HAVEVARTYPE
An array that has a variant type. The variant type can be retrieved with SafeArrayGetVartype.
static final int FADF_BSTR
An array of BSTRs.
static final int FADF_UNKNOWN
An array of IUnknown*.
static final int FADF_DISPATCH
An array of IDispatch*.
static final int FADF_VARIANT
An array of VARIANTs.
static final int FADF_RESERVED
Bits reserved for future use.
static final short VARIANT_NOVALUEPROP
static final short VARIANT_ALPHABOOL
For VT_BOOL to VT_BSTR conversions, convert to "True"/"False" instead of "-1"/"0"
static final short VARIANT_NOUSEROVERRIDE
For conversions to/from VT_BSTR, passes LOCALE_NOUSEROVERRIDE to core coercion routines
static final short VARIANT_CALENDAR_HIJRI
static final short VARIANT_LOCALBOOL
For VT_BOOL to VT_BSTR and back, convert to local language rather than English
static final short VARIANT_CALENDAR_THAI
SOUTHASIA calendar support
static final short VARIANT_CALENDAR_GREGORIAN
SOUTHASIA calendar support
static final short VARIANT_USE_NLS
NLS function call support
This function allocates a new string and copies the passed string into it.
sz - Null-terminated UNICODE string to copy.
This function frees a string allocated previously by SysAllocString, SysAllocStringByteLen, SysReAllocString, SysAllocStringLen, or SysReAllocStringLen.
bstr - Unicode string that was allocated previously, or NULL. Setting this parameter to NULL causes the function to simply return.
Returns the length (in bytes) of a BSTR.
bstr - Unicode string that was allocated previously.
Returns the length of a BSTR.
bstr - Unicode string that was allocated previously.
The VariantInit function initializes the VARIANTARG by setting the vt field to VT_EMPTY. Unlike VariantClear, this function does not interpret the current contents of the VARIANTARG. Use VariantInit to initialize new local variables of type VARIANTARG (or VARIANT).
pvarg - The variant to initialize.
The VariantInit function initializes the VARIANTARG by setting the vt field to VT_EMPTY. Unlike VariantClear, this function does not interpret the current contents of the VARIANTARG. Use VariantInit to initialize new local variables of type VARIANTARG (or VARIANT).
pvarg - The variant to initialize.
First, free any memory that is owned by pvargDest, such as VariantClear (pvargDest must point to a valid initialized variant, and not simply to an uninitialized memory location). Then pvargDest receives an exact copy of the contents of pvargSrc.
If pvargSrc is a VT_BSTR, a copy of the string is made. If pvargSrcis a VT_ARRAY, the entire array is copied. If pvargSrc is a VT_DISPATCH or VT_UNKNOWN, AddRef is called to increment the object's reference count.
If the variant to be copied is a COM object that is passed by reference, the vtfield of the pvargSrcparameter is VT_DISPATCH | VT_BYREF or VT_UNKNOWN | VT_BYREF. In this case, VariantCopy does not increment the reference count on the referenced object. Because the variant being copied is a pointer to a reference to an object, VariantCopy has no way to determine if it is necessary to increment the reference count of the object. It is therefore the responsibility of the caller to call IUnknown::AddRef on the object or not, as appropriate.
Note The VariantCopy method is not threadsafe.
pvargDest - [out] The destination variant.
pvargSrc - [in] The source variant.
Use this function to clear variables of type VARIANTARG (or VARIANT) before the memory containing the VARIANTARG is freed (as when a local variable goes out of scope).
The function clears a VARIANTARG by setting the vt field to VT_EMPTY. The current contents of the VARIANTARG are released first. If the vtfield is VT_BSTR, the string is freed. If the vtfield is VT_DISPATCH, the object is released. If the vt field has the VT_ARRAY bit set, the array is freed.
If the variant to be cleared is a COM object that is passed by reference, the vtfield of the pvargparameter is VT_DISPATCH | VT_BYREF or VT_UNKNOWN | VT_BYREF. In this case, VariantClear does not release the object. Because the variant being cleared is a pointer to a reference to an object, VariantClear has no way to determine if it is necessary to release the object. It is therefore the responsibility of the caller to release the object or not, as appropriate.
In certain cases, it may be preferable to clear a variant in code without calling VariantClear. For example, you can change the type of a VT_I4 variant to another type without calling this function. Safearrays of BSTR will have SysFreeString called on each element not VariantClear. However, you must call VariantClear if a VT_type is received but cannot be handled. Safearrays of variant will also have VariantClear called on each member. Using VariantClear in these cases ensures that code will continue to work if Automation adds new variant types in the future.
Do not use VariantClear on unitialized variants; use VariantInit to initialize a new VARIANTARG or VARIANT.
Variants containing arrays with outstanding references cannot be cleared. Attempts to do so will return an HRESULT containing DISP_E_ARRAYISLOCKED.
pvarg - [in, out] The variant to clear.
Converts a variant from one type to another.
pvargDest - [out] The destination variant. If this is the same as pvarSrc, the variant will be converted in place.
pvarSrc - [in] The variant to convert.
wFlags - Combination of the following flags
wFlags
Value MeaningVARIANT_NOVALUEPROP Prevents the function from attempting to coerce an object to a fundamental type by getting the Value property. Applications should set this flag only if necessary, because it makes their behavior inconsistent with other applications. VARIANT_ALPHABOOL Converts a VT_BOOL value to a string containing either "True" or "False". VARIANT_NOUSEROVERRIDE For conversions to or from VT_BSTR, passes LOCALE_NOUSEROVERRIDE to the core coercion routines. VARIANT_LOCALBOOL For conversions from VT_BOOL to VT_BSTR and back, uses the language specified by the locale in use on the local computer.
vt - The type to convert to. If the return code is S_OK, the vt field of the vargDest is guaranteed to be equal to this value.
VT_BOOL and the destination is of type VT_UINT, the pvarSrc argument is first converted to VT_I2 and then the conversion proceeds. A variant that has VT_BYREF set is coerced to a value by obtaining the referenced value. An object is coerced to a value by invoking the object's Value property (DISPID_VALUE). Typically, the implementor of IDispatch.Invoke determines which member is being accessed, and then calls VariantChangeType to get the value of one or more arguments. For example, if the IDispatch call specifies a SetTitle member that takes one string argument, the implementor would call VariantChangeType to attempt to coerce the argument to VT_BSTR. If VariantChangeType does not return an error, the argument could then be obtained directly from the bstrVal field of the VARIANT. If VariantChangeType returns DISP_E_TYPEMISMATCH, the implementor would set Invoke puArgErr parameter referenced value to 0 (indicating the argument in error) and return DISP_E_TYPEMISMATCH from Invoke. Arrays of one type cannot be converted to arrays of another type with this function. Note The type of a VARIANT should not be changed in the rgvarg array in place.
Converts a variant from one type to another.
pvargDest - [out] The destination variant. If this is the same as pvarSrc, the variant will be converted in place.
pvarSrc - [in] The variant to convert.
wFlags - Combination of the following flags
wFlags
Value MeaningVARIANT_NOVALUEPROP Prevents the function from attempting to coerce an object to a fundamental type by getting the Value property. Applications should set this flag only if necessary, because it makes their behavior inconsistent with other applications. VARIANT_ALPHABOOL Converts a VT_BOOL value to a string containing either "True" or "False". VARIANT_NOUSEROVERRIDE For conversions to or from VT_BSTR, passes LOCALE_NOUSEROVERRIDE to the core coercion routines. VARIANT_LOCALBOOL For conversions from VT_BOOL to VT_BSTR and back, uses the language specified by the locale in use on the local computer.
vt - The type to convert to. If the return code is S_OK, the vt field of the vargDest is guaranteed to be equal to this value.
VT_BOOL and the destination is of type VT_UINT, the pvarSrc argument is first converted to VT_I2 and then the conversion proceeds. A variant that has VT_BYREF set is coerced to a value by obtaining the referenced value. An object is coerced to a value by invoking the object's Value property (DISPID_VALUE). Typically, the implementor of IDispatch.Invoke determines which member is being accessed, and then calls VariantChangeType to get the value of one or more arguments. For example, if the IDispatch call specifies a SetTitle member that takes one string argument, the implementor would call VariantChangeType to attempt to coerce the argument to VT_BSTR. If VariantChangeType does not return an error, the argument could then be obtained directly from the bstrVal field of the VARIANT. If VariantChangeType returns DISP_E_TYPEMISMATCH, the implementor would set Invoke puArgErr parameter referenced value to 0 (indicating the argument in error) and return DISP_E_TYPEMISMATCH from Invoke. Arrays of one type cannot be converted to arrays of another type with this function. Note The type of a VARIANT should not be changed in the rgvarg array in place.
Creates a new array descriptor, allocates and initializes the data for the array, and returns a pointer to the new array descriptor.
vt - [in] The base type of the array (the VARTYPE of each element of the array). The VARTYPE is restricted to a subset of the variant types. Neither the VT_ARRAY nor the VT_BYREF flag can be set. VT_EMPTY and VT_NULL are not valid base types for the array. All other types are legal. cDims
cDims - the number of dims
rgsabound - the rgsabound
Stores the data element at the specified location in the array.
psa - [in] An array descriptor created by SafeArrayCreate.
idx - the idx
pv - [in] The data to assign to the array. The variant types VT_DISPATCH, VT_UNKNOWN, and VT_BSTR are pointers, and do not require another level of indirection.
Retrieve the upper bound for the specified dimension of the supplied array
psa - [in] An array descriptor created by SafeArrayCreate.
nDim - [in] the dimension, one based
bound - [out] upper bound for the supplied dimension
Retrieve the lower bound for the specified dimension of the supplied array
psa - [in] An array descriptor created by SafeArrayCreate.
nDim - [in] the dimension, one based
bound - [out] lower bound for the supplied dimension
The array is automaticly locked via SafeArrayLock and SafeArrayUnlock.
psa - [in] An array descriptor created by SafeArrayCreate.
rgIndices - [in] A vector of indexes for each dimension of the array. The right-most (least significant) dimension is rgIndices[0]. The left-most dimension is stored at rgIndices[psa->cDims - 1].
pv - [out] The element of the array.
Retrieves the pointer to a single element of the array.
The caller is responsible for locking.
psa - [in] An array descriptor created by SafeArrayCreate.
rgIndices - [in] A vector of indexes for each dimension of the array. The right-most (least significant) dimension is rgIndices[0]. The left-most dimension is stored at rgIndices[psa->cDims - 1].
ppv - [out] The element of the array.
Increments the lock count of an array, and places a pointer to the array data in pvData of the array descriptor.
psa - [in] An array descriptor created by SafeArrayCreate.
Decrements the lock count of an array so it can be freed or resized.
psa - [in] An array descriptor created by SafeArrayCreate.
Destroys an existing array descriptor and all of the data in the array. If objects are stored in the array, Release is called on each object in the array.
psa - [in] An array descriptor created by SafeArrayCreate.
Changes the right-most (least significant) bound of the specified safe array.
psa - [in, out] An array descriptor created by SafeArrayCreate.
psaboundNew - [in] New bounds for the least significant dimension
Return VARTYPE of the SAFEARRAY
psa - [in] An array descriptor created by SafeArrayCreate.
pvt - [in] Vartype of the SAFEARRAY
Return number of dimensions of the SAFEARRAY
psa - [in] An array descriptor created by SafeArrayCreate.
Lock array and retrieve pointer to data
psa - [in] An array descriptor created by SafeArrayCreate.
ppvData - [in] pointer to the data array
Unlock array and invalidate the pointer retrieved via SafeArrayAccessData
psa - [in] An array descriptor created by SafeArrayCreate.
Get size of one element in bytes
psa - [in] An array descriptor created by SafeArrayCreate.
Retrieves a pointer to a running object that has been registered with OLE.
rclsid - [in] The class identifier (CLSID) of the active object from the OLE registration database.
pvReserved - Reserved for future use. Must be null.
ppunk - [out] The requested active object.
Uses registry information to load a type library.
rguid - The GUID of the library.
wVerMajor - The major version of the library.
wVerMinor - The minor version of the library.
lcid - The national language code of the library.
pptlib - The loaded type library. This function can return one of these values: S_OK Success. E_INVALIDARG One or more of the arguments is not valid. E_OUTOFMEMORY Insufficient memory to complete the operation. TYPE_E_IOERROR The function could not write to the file. TYPE_E_INVALIDSTATE The type library could not be opened. TYPE_E_INVDATAREAD The function could not read from the file. TYPE_E_UNSUPFORMAT The type library has an older format. TYPE_E_UNKNOWNLCID The LCID could not be found in the OLE-supported DLLs. TYPE_E_CANTLOADLIBRARY The type library or DLL could not be loaded.
Loads and registers a type library.
szFile - The name of the file from which the method should attempt to load a type library.
pptlib - The loaded type library. Return value This function can return one of these values. S_OK Success. E_INVALIDARG One or more of the arguments is not valid. E_OUTOFMEMORY Insufficient memory to complete the operation. TYPE_E_IOERROR The function could not write to the file. TYPE_E_INVALIDSTATE The type library could not be opened. TYPE_E_INVDATAREAD The function could not read from the file. TYPE_E_UNSUPFORMAT The type library has an older format. TYPE_E_UNKNOWNLCID The LCID could not be found in the OLE-supported DLLs. TYPE_E_CANTLOADLIBRARY The type library or DLL could not be loaded.
Converts a system time to a variant representation.
lpSystemTime - [in] The system time.
pvtime - [out] The variant time.
Converts a variant representation of time to a system time.
vtime - [in] The variant time.
lpSystemTime - [out] The system time.
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