globalAlpha property
[This documentation is preliminary and is subject to change.]
Gets or sets the current alpha or transparency value that is applied to global composite rendering operations.
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Syntax
HRESULT value = object.put_globalAlpha(float v);HRESULT value = object.get_globalAlpha(float* p);
Property values
Type: float
0.0 (fully transparent) to 1.0 (no transparency)
The alpha value.
1.0
Default.
Standards information
- HTML Canvas 2D Context, Section 4
Remarks
If you set the globalAlpha property to a value outside the range (including infinity or not a number (NaN)), the previous value is preserved.
Build date: 1/23/2012
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