System.Types

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Package	rtl270.bpl

Classes

IAsyncResult	An interface that methods use as a return type in order to provide asynchronous execution of code.
TBitConverter	Converter between arrays of bytes and Delphi native types.
TMultiWaitEvent	Abstract base class that the System.Classes unit fully implements. IAsyncResult.GetAsyncWaitEvent uses this class as the return type.

Routines

Bounds	Returns the TRect for a rectangle of given dimensions.
CenteredRect	Creates a centered rectangle.
CenterPoint	Returns the point in the center of a rectangle.
EqualRect	Indicates whether two TRect values are the same.
InflateRect	Enlarges a rectangle by a specific amount.
IntersectRect	Returns the intersection of two specified rectangles.
IntersectRectF	Returns the intersection of two rectangles.
IsRectEmpty	Indicates whether a specified rectangle has a positive width and height.
MinPoint	Returns the minimum TPoint or TPointF.
MultiplyRect	Enlarges a rectangle by a specific amount.
NormalizeRect	Normalizes the TRect object.
NormalizeRectF	Normalizes the TRectF object.
OffsetRect	Changes the origin of a rectangle by a specified amount.
Point	Creates a TPoint structure from a pair of coordinates.
PointF	Returns an instance of TPointF.
PtInCircle (deprecated)	Indicates whether a specified point lies inside a specified circle.
PtInRect	Indicates whether a specified point lies inside a specified rectangle.
Rect	Creates a TRect structure from a set of coordinates.
RectCenter	Returns an instance of TRect or TRectF placed in the center of another similar rectangle.
RectF	Returns an instance of TRectF.
RectHeight	Returns the vertical size of the rectangle.
RectWidth	Specifies the horizontal size of the rectangle.
ScalePoint	Returns an instance of TPoint or TPointF with scaled coordinates.
SmallPoint	Creates a TSmallPoint structure from a pair of coordinates.
SplitRect	Returns a rectangle obtained from the current rectangle, applying the specified splitting rule.
UnionRect	Returns the union of two rectangles.
UnionRectF	Returns the union of two rectangles.

Types

DWORD	Integer type with the range [0; 4294967295].
OleStr	Represents an alias for WideString.
PByte	Pointer to Byte.
PDouble	Pointer to Double.
PInteger	Pointer to Integer.
PLongInt	Pointer to LongInt.
PPoint	PPoint is a pointer to a TPoint variable.
PPointF	Pointer to a TPointF variable.
PRect	Pointer to a TRect variable.
PRectF	Pointer to a TRectF variable.
PSize	Pointer to tagSIZE.
PSizeF	Pointer to a TSizeF variable.
PSmallInt	Pointer to Smallint.
PSmallPoint	Pointer to TSmallPoint.
SIZE	Represents an alias to a record holding width and height values.
tagPOINT	Represents an alias for TPoint.
tagPointF	Represents an alias for TPointF.
tagSize	tagSize is a record holding width and height values.
TDirection	Indicates the direction of list broswing.
TDuplicates	Indicates the response when an application attempts to add a duplicate entry to a list.
TEndian	Defines a type of endian.
THorzRectAlign	Specifies the horizontal alignment of a rectangle.
TPoint	Defines a pixel location on-screen.
TPointF	Defines a pixel location on-screen.
TPointFType
TRect	TRect defines a rectangle.
TRectF	TRectF defines a rectangle, with coordinates in floating points.
TSize	Specifies the width and height of an object.
TSizeF	Represents the floating-point width and height of an object.
TSmallPoint	TSmallPoint type defines a point with two 16-bit coordinates.
TSplitRectType	TSplitRectType specifies which rectangle side is used when splitting a rectangle.
TValueRelationship	TValueRelationship defines value comparison results.
TVertRectAlign	Specifies the vertical alignment of a rectangle.
TWaitResult

Variables

c180
c180divPI
c2PI
c360
c3PIdiv4
cInv2PI
cInv360
cOneHalf
cPI
cPIdiv180
cPIdiv2
cPIdiv4
CurveKappa
CurveKappaInv
Epsilon
Epsilon2

Constants

BOM_LSB_FIRST	BOM_LSB_FIRST: Char = $FEFF;
BOM_MSB_FIRST	BOM_MSB_FIRST: Char = $FFFE;
CarriageReturn	CarriageReturn: Char = $D;
EqualsValue	EqualsValue: Integer = 0;
FormFeed	FormFeed: Char = $C;
GreaterThanValue	GreaterThanValue: Integer = 1;
GUID_NULL	GUID_NULL: TGUID;
LessThanValue	LessThanValue: Integer = $FFFFFFFF;
LineFeed	LineFeed: Char = $A;
LineSeparator	LineSeparator: Char = $2028;
NullChar	NullChar: Char = 0;
ParagraphSeparator	ParagraphSeparator: Char = $2029;
PlatformEndian	PlatformEndian: TEndian = Little;
RT_RCDATA	RT_RCDATA: PWideChar = $A;
Space	Space: Char = $20;
Tabulator	Tabulator: Char = 9;
VerticalTab	VerticalTab: Char = $B;