backgroundPositionX property

[アーティクル]
05/02/2017

Specifies the x-coordinate of the IHTMLRuleStyle::backgroundPosition property.

Syntax

Integer value = object.put_backgroundPositionX(Variant v);Integer value = object.get_backgroundPositionX(Variant* iPositionX);

Property values

Type: VARIANT

length

Floating-point number, followed by a supported length unit.

percentage

Integer, followed by a percent sign (%). The value is a percentage of the width of the object.

Value	Meaning
0%

left

Horizontal alignment is to the left.

center

Horizontal alignment is centered.

right

Horizontal alignment is to the right.

String format

<length> | <percentage> | left | center | right

CSS information

Applies To	All elements
Media	visual
Inherited	no
Initial Value	0%

Remarks

Starting in Windows Internet Explorer 8, the IHTMLCurrentStyle::backgroundPositionX property is an extension to Cascading Style Sheets (CSS), and can be used as a synonym for background-position-x in IE8 Standards mode.

As of Internet Explorer for Windows Phone 8.1 Update, Internet Explorer for Windows Phone supports "-webkit-background-position-x" as an alias for this property.

Examples

The following example shows the result of different IHTMLCurrentStyle::backgroundPositionX settings for each of the three div objects. The first div object sets IHTMLCurrentStyle::backgroundPositionX to 90%. This represents a horizontal offset of 90% relative to the width of the background positioning area. The second div object sets IHTMLCurrentStyle::backgroundPositionX to 20 pixels and sets the horizontal offset on the x-coordinate to 20 pixels. The third div object sets the value for IHTMLCurrentStyle::backgroundPositionX to center. This is equivalent to a horizontal offset of 50%.

<body>
   <div class="circle"></div>
   <div class="square"></div>
   <div class="triangle"></div>
</body>

div {
   width: 200px;
   height: 70px;
   background-color: #D3D3D3;
}
.circle {
   background-image:url(circle.png);
   background-repeat: no-repeat;
   background-position-x: 90%;
}
.square {
   background-image:url(square.png);
   background-repeat: no-repeat;
   background-position-x: 20px;
}
.triangle {
   background-image:url(triangle.png);
   background-repeat: no-repeat;
   background-position-x: center;
}

Requirements

Minimum supported client	Windows XP
Minimum supported server	Windows Server 2003
Header	Mshtml.h
IDL	Mshtml.idl
DLL	Mshtml.dll

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