Mega Code Archive
All routines available in Delphi 6 Part II
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Title: All routines available in Delphi 6 - Part II
Question: How many times do you make a routine that you find later that already exist as part of Delphi units?
Answer:
Continuation of All routines available in Delphi 6 (100kb)
==**==
Variant support routines
========================
DynArrayFromVariant procedure
- Creates a dynamic array from a Variant.
DynArrayToVariant procedure
- Creates a Variant array from a dynamic array.
EmptyParam function
- Returns an OleVariant that represents an unused optional parameter on a dual
interface.
FindCustomVariantType function
- Retrieves the object that implements a custom Variant type.
GetVariantManager procedure
- Returns the entry points of the routines that define variant behavior.
IsVariantManagerSet function
- Indicates whether variant support is implemented in an application.
Null function
- Null returns a null Variant.
SetVariantManager procedure
- Sets the entry points of routines that define variant behavior.
Unassigned constant
- Used for a variant not yet assigned a value.
VarArrayCreate function
- Creates a variant array.
VarArrayDimCount function
- Returns number of dimensions of a variant array.
VarArrayFromStrings function
- Creates a Variant array that contains the strings in a TStrings object.
VarArrayGet function
- Returns a Variant that represents a single value from a multi-dimensional
Variant array.
VarArrayHighBound function
- Returns high bound for a dimension in a variant array.
VarArrayLock function
- Locks a variant array and returns a pointer to the data.
VarArrayLowBound function
- Returns the low bound of a dimension in a variant array.
VarArrayOf function
- Creates and fills a one-dimensional variant array.
VarArrayPut procedure
- Sets the value of a single cell in a multi-dimensional Variant array.
VarArrayRedim procedure
- Resizes a Variant array.
VarArrayRef function
- Returns a reference to the specified variant array.
VarArrayUnlock procedure
- Unlocks a variant array.
VarAsComplex function
- Casts an arbitrary Variant so that it is a custom Variant representing a
complex number.
VarAsConvert function
- Casts an arbitrary Variant so that it is a custom Variant representing a
measurement.
VarAsType function
- Converts a variant to specified type.
VarCheckEmpty procedure
- Raises an exception if a specified variants value is Unassigned.
VarClear procedure
- Empties a Variant, so that it is unassigned.
VarCompareValue function
- Returns the relationship between Variants.
VarComplex function
- Returns the Variant type code for custom Variants that represent complex
numbers.
VarComplexSimplify function
- Reduces a Variant that represents a complex number to one that represents a
real value, if possible.
VarConvert function
- Returns the Variant type code for custom Variants that represent measurements.
VarConvertCreate function
- Returns a custom Variant that represents a measurement.
VarCopyNoInd procedure
- Copies a Variant.
VarEnsureRange function
- Returns a Variant with a value in a specified range.
VarFMTBcd function
- Returns the TVarType constant that identifies the internal type of a Variant as
a TBcd value.
VarFMTBcdCreate function
- Creates a new Variant that stores its value internally as a TBcd value.
VarFromDateTime function
- Returns a variant containing a specified data and time.
VarInRange function
- Indicates whether a Variants value is in a specified range.
VarIsArray function
- Indicates whether the specified variant is an array.
VarIsByRef function
- Indicates whether the specified variants value is by reference.
VarIsClear function
- Indicates whether the specified variant has an undefined value.
VarIsComplex function
- Indicates whether a Variant stores its data internally as a complex number.
VarIsConvert function
- Indicates whether a Variant is a custom Variant that represents a measurement.
VarIsCustom function
- Indicates whether the specified variant is a custom variant.
VarIsEmpty function
- Indicates whether the specified variant is unassigned.
VarIsEmptyParam function
- Indicates whether the specified variant represents an unassigned optional parameter.
VarIsFloat function
- Indicates whether the specified variant represents a floating-point value.
VarIsFMTBcd function
- Indicates whether a specified Variant represents a TBcd value.
VarIsNull function
- Indicates whether the specified variant is Null.
VarIsNumeric function
- Indicates whether the specified variant represents a numeric value.
VarIsOrdinal function
- Indicates whether the specified variant represents an ordinal value.
VarIsSQLTimeStamp function
- Indicates whether a specified Variant represents a TSQLTimeStamp value.
VarIsStr function
- Indicates whether the specified variant represents a string value.
VarIsType function
- Indicates whether the specified variant represents a specified type.
VarSameValue function
- Indicates whether two Variants have equivalent values.
VarSQLTimeStamp function
- Returns the TVarType constant that identifies the internal type of a Variant as
a TSQLTimeStamp value.
VarSQLTimeStampCreate function
- Creates a new Variant that stores its value internally as a TSQLTimeStamp v
alue.
VarSupports function
- Indicates whether the Variants value is an interface that supports a specified
interface.
VarToBcd function
- Converts a Variant into a TBcd type.
VarToDateTime function
- Converts a specified variant to a TDateTime value.
VarToSQLTimeStamp function
- Converts a Variant that represents a TSQLTimeStamp value to the corresponding
TSQLTimeStamp.
VarToStr function
- Converts a variant to a string.
VarToStrDef function
- Converts a variant to a string.
VarToWideStr function
- Converts a variant to a WideString.
VarToWideStrDef function
- Converts a variant to a WideString.
VarType function
- Returns the type code of a specified variant.
VarTypeIsValidArrayType function
- Indicates whether a Variant type code represents a type that can be used for
the elements in a Variant array.
VarTypeIsValidElementType function
- Indicates whether a Variant type code represents a type that can be used for
the elements in a Variant array.
Web Services
============
AppNameSpacePrefix variable
- Supplies a unique prefix to use for automatically generated namespaces given
to invokable interfaces and remotable types.
DateTimeToXSDateTime function
- Returns a TXSDateTime object that encodes a TDateTime value.
GetRemotableDataContext function
- Returns the TDataContext object that provides temporary storage during a call
to an invokable interface.
InvRegistry function
- Provides access to the invocation registry.
RemClassRegistry function
- Provides access to the remotable class registry.
RemTypeRegistry function
- Provides access to the remotable type registry.
SetRemotableDataContext procedure
- Sets the data context that provides temporary storage during a call to an
invokable interface.
Widget utilities
================
FindControl function
- Returns the widget whose window is identified by the specifiedhandle or which
appears at a specified position.
Windows controls utilities
==========================
AllocateHwnd function
- Creates a window that implements a specified window procedure.
CheckToolMenuDropdown procedure
- Displays a tool buttons dropdown menu.
DeallocateHwnd procedure
- Frees a window that was created using AllocateHWnd.
DestroyMetaPict procedure
- Frees a metafile resource given its handle.
FindControl function
- Returns the windowed control whose window is identified by the specified window
handle.
GetComCtlVersion function
- Indicates which version of ComCtl32.dll is installed.
GetParentForm function
- Returns the form or property page that contains a specified control.
InitCommonControl function
- Wraps the API routine, InitCommonControlsEx, which registers common control
classes from ComCtl32.dll.
NewStyleControls variable
- Determines whether controls are drawn using the Windows 3.x look.
SendAppMessage function
- Sends a Windows message to the application.
XML support
===========
DefaultVendorName variable
- Identifies the DOM implementation that is used by default.
DOMVendors variable
- Lists all registered DOM Vendors.
ExtractLocalName function
- Strips the namespace prefix, if present, from the tag name of an XML node.
ExtractPrefix function
- Returns the namespace prefix of an XML nodes tag name.
FormatXMLData function
- Formats a string of XML so that it is more readable.
GetDOM function
- Returns the top-level DOM interface for a registered DOM implementation.
GetDOMVendor function
- Returns the TDOMVendor object for a specified DOM vendor.
IsPrefixed function
- Indicates whether an XML tag name includes a namespace prefix.
LoadXMLData function
- Creates and returns the interface of an XML document object, given a string of
XML.
LoadXMLDocument function
- Returns the interface for an XML document given the name of an XML file.
MakeNodeName function
- Assembles a full tag name from a local name and namespace prefix.
NewXMLDocument function
- Returns the interface for a new, empty XML document.
NodeMatches function
- Indicates whether a specified node matches a given namespace and tag name.
RegisterDOMVendor procedure
- Registers an implementation of the DOM interfaces so that it is available to
the TXMLDocument class.
SameNamespace function
- Indicates whether a specified node is defined within a specified namespace.
UnRegisterDOMVendor procedure
- Unregisters a DOM implementation that was registered using RegisterDOMVendor.
XMLDocError procedure
- Raises an EXMLDocError exception.
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