UI_ANIMATION_KEYFRAME_STORYBOARD_START structure

  • 项目

Represents the implicit keyframe at the start of every storyboard.

Remarks

A keyframe represents a moment in time within a storyboard, and can be used to specify the start and end times of transitions. UI_ANIMATION_KEYFRAME_STORYBOARD_START can be used to add a new keyframe at an offset from the start of the storyboard,or to specify the start of a transition or loop.

This structure is defined as follows in UIAnimation.h.

#define  UI_ANIMATION_KEYFRAME_STORYBOARD_START  ( ( UI_ANIMATION_KEYFRAME  )-1 )

This structure is defined as follows in UIAnimation.idl.

const UI_ANIMATION_KEYFRAME UI_ANIMATION_KEYFRAME_STORYBOARD_START = (UI_ANIMATION_KEYFRAME)(-1);

Requirements

Minimum supported client

Windows 7, Windows Vista and Platform Update for Windows Vista [desktop apps only]

Minimum supported server

None supported

Header

 UIAnimation.h

IDL

 UIAnimation.idl

See also

Constants

UI_ANIMATION_KEYFRAME

IUIAnimationStoryboard::AddKeyframeAtOffset

IUIAnimationStoryboard::AddTransitionAtKeyframe

IUIAnimationStoryboard::AddTransitionBetweenKeyframes

IUIAnimationStoryboard::RepeatBetweenKeyframes