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cd2drectf-class.md

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title CD2DRectF Class | Microsoft Docs
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ms.date 11/04/2016
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ms.technology
cpp-windows
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CD2DRectF
AFXRENDERTARGET/CD2DRectF
AFXRENDERTARGET/CD2DRectF::CD2DRectF
AFXRENDERTARGET/CD2DRectF::IsNull
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C++
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CD2DRectF class
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CD2DRectF Class

A wrapper for D2D1_RECT_F.

Syntax

class CD2DRectF : public D2D1_RECT_F;

Members

Public Constructors

Name Description
CD2DRectF::CD2DRectF Overloaded. Constructs a CD2DRectF object from D2D1_RECT_F object.

Public Methods

Name Description
CD2DRectF::IsNull Returns a boolean value that indicates whether an expression contains no valid data ( null).

Public Operators

Name Description
CD2DRectF::operator CRect Converts CD2DRectF to CRect object.

Inheritance Hierarchy

D2D1_RECT_F

CD2DRectF

Requirements

Header: afxrendertarget.h

CD2DRectF::CD2DRectF

Constructs a CD2DRectF object from CRect object.

CD2DRectF(const CRect& rect);  
CD2DRectF(const D2D1_RECT_F& rect);  
  CD2DRectF(const D2D1_RECT_F* rect);

 
CD2DRectF(
    FLOAT fLeft = 0.,  
    FLOAT fTop = 0.,  
    FLOAT fRight = 0.,  
    FLOAT fBottom = 0.);

Parameters

rect
source rectangle

fLeft
source left coordinate

fTop
source top coordinate

fRight
source right coordinate

fBottom
source bottom coordinate

CD2DRectF::IsNull

Returns a Boolean value that indicates whether an expression contains no valid data (Null).

BOOL IsNull() const;

Return Value

TRUE if rectangle's top, left, bottom, and right values are all equal to 0; otherwise FALSE.

CD2DRectF::operator CRect

Converts CD2DRectF to CRect object.

operator CRect();

Return Value

Current value of D2D rectangle.

See Also

Classes