IXRColorAnimation::SetFrom (Windows Embedded CE 6.0)
1/6/2010
This method sets the starting value of the animation.
Syntax
virtual HRESULT STDMETHODCALLTYPE SetFrom(
COLORREF From
) = 0;
Parameters
- From
[in] COLORREF value that indicates the starting value of the animation.
Return Value
Returns an HRESULT that indicates success or failure.
Remarks
You can use the RGB macro or the RGBA macro to create a color value to supply to this method. For more information about identifying the correct BYTE values to use in the RGB or RGBA macro for red, green, and blue, see this Web site.
For guidance on creating RGB colors, color complements, and themes, see the EasyRGB Web site.
The following table summarizes how the SetFrom, SetTo, and SetBy methods can be used together or separately to determine the target values of an animation.
| Method(s) used by the developer | Resulting behavior |
|---|---|
SetFrom |
The animation progresses from the value specified in SetFrom to the base value of the property being animated. |
SetFrom and SetTo |
The animation progresses from the value specified in SetFrom to the value specified in SetTo. |
SetFrom and SetBy |
The animation progresses from the value specified in SetFrom to the sum of the values specified in SetFrom and SetBy. |
SetTo |
The animation progresses from the animated property's base value or a previous animation's output value to the value specified in SetTo. |
SetBy |
The animation progresses from the animated property's base value or a previous animation's output value to the sum of that value and the value specified in SetBy. |
If you use both the SetTo and SetBy methods, the value specified in SetTo takes precedence and the SetBy property is ignored.
To use other interpolation methods or to define an animation that progresses through more than two target values, use the IXRColorAnimationUsingKeyFrames object.
.NET Framework Equivalent
System.Windows.Media.Animation.ColorAnimation.From
Requirements
| Header | XamlRuntime.h |
| sysgen | SYSGEN_XAML_RUNTIME |
| Windows Embedded CE | Windows Embedded CE 6.0 R3 |