Touch Input
Overview of the Touch Input technology.
To develop Touch Input, you need these headers:
For programming guidance for this technology, see:
Enumerations
| MANIPULATION_PROCESSOR_MANIPULATIONS The MANIPULATION_PROCESSOR_MANIPULATIONS enumeration different kinds of manipulation which can be applied on a target object. |
Functions
| CloseGestureInfoHandle Closes resources associated with a gesture information handle. |
| CloseTouchInputHandle Closes a touch input handle, frees process memory associated with it, and invalidates the handle. |
| Complete The Complete method finishes the current manipulation and stops inertia on the inertia processor. |
| CompleteManipulation The CompleteManipulation method is called when the developer chooses to end the manipulation. |
| CompleteTime Finishes the current manipulation at the given tick, stops inertia on the inertia processor, and raises the ManipulationCompleted event. |
| get_BoundaryBottom The BoundaryBottom property limits how far towards the bottom of the screen the target object can move. (Get) |
| get_BoundaryLeft The BoundaryLeft property limits how far towards the left of the screen the target object can move. (Get) |
| get_BoundaryRight The BoundaryRight property limits how far towards the right of the screen the target object can move. (Get) |
| get_BoundaryTop The BoundaryTop property limits how far towards the top of the screen the target object can move. (Get) |
| get_DesiredAngularDeceleration The DesiredAngularDeceleration property specifies the desired rate that the target object will stop spinning in radians per msec squared. (Get) |
| get_DesiredDeceleration The DesiredDeceleration property specifies the desired rate at which translation operations will decelerate. (Get) |
| get_DesiredDisplacement The DesiredDisplacement property specifies the desired distance that the object will travel. (Get) |
| get_DesiredExpansion The DesiredExpansion property specifies the desired change in the object's average radius. (Get) |
| get_DesiredExpansionDeceleration The DesiredExpansionDeceleration property specifies the rate at which the object will stop expanding. (Get) |
| get_DesiredRotation The DesiredRotation property specifies how far the current inertia processor object should manipulate the target object in radians. (Get) |
| get_ElasticMarginBottom The ElasticMarginBottom property specifies the bottom region for bouncing the target object. (Get) |
| get_ElasticMarginLeft The ElasticMarginLeft property specifies the leftmost region for bouncing the target object. (Get) |
| get_ElasticMarginRight The ElasticMarginRight property specifies the rightmost region for bouncing the target object. (Get) |
| get_ElasticMarginTop The ElasticMarginTop property specifies the topmost region for bouncing the target object. (Get) |
| get_InitialAngularVelocity The InitialAngularVelocity property specifies the rotational (angular) velocity of the target when movement begins. (Get) |
| get_InitialExpansionVelocity The InitialExpansionVelocity property specifies the rate of radius expansion for a target when the target was affected by inertia. (Get) |
| get_InitialOriginX The InitialOriginX property specifies the starting horizontal location for a target with inertia. (Get) |
| get_InitialOriginY The InitialOriginY property specifies the starting vertical location for a target with inertia. (Get) |
| get_InitialRadius The InitialRadius property specifies the distance from the edge of the target to its center before the object was changed. (Get) |
| get_InitialTimestamp The InitialTimestamp property specifies the starting time stamp for a target object with inertia. (Get) |
| get_InitialVelocityX The InitialVelocityX property specifies the initial movement of the target object on the horizontal axis. (Get) |
| get_InitialVelocityY The InitialVelocityY property specifies the initial movement of the target object on the vertical axis. (Get) |
| get_MinimumScaleRotateRadius Specifies how large the distance contacts on a scale or rotate gesture need to be to trigger manipulation. (Get) |
| get_PivotPointX The PivotPointX property is the horizontal center of the object. (Get) |
| get_PivotPointY The PivotPointY property is the vertical center of the object. (Get) |
| get_PivotRadius The PivotRadius property is used to determine how much rotation is used in single finger manipulation. (Get) |
| get_SupportedManipulations The SupportedManipulations property is used to indicate which manipulations are supported by an object. (Get) |
| GetAngularVelocity The GetAngularVelocity method calculates the rotational velocity that the target object is moving at. |
| GetExpansionVelocity The GetExpansionVelocity method calculates the rate that the target object is expanding at. |
| GetGestureConfig Retrieves the configuration for which Windows Touch gesture messages are sent from a window. |
| GetGestureExtraArgs Retrieves additional information about a gesture from its GESTUREINFO handle. |
| GetGestureInfo Retrieves a GESTUREINFO structure given a handle to the gesture information. |
| GetTouchInputInfo Retrieves detailed information about touch inputs associated with a particular touch input handle. |
| GetVelocityX Calculates and returns the horizontal velocity for the target object. |
| GetVelocityY Calculates and returns the vertical velocity. |
| GID_ROTATE_ANGLE_FROM_ARGUMENT The GID_ROTATE_ANGLE_FROM_ARGUMENT macro is used to interpret the GID_ROTATE ullArgument value when receiving the value in the WM_GESTURE structure. |
| GID_ROTATE_ANGLE_TO_ARGUMENT Converts a radian value to an argument for rotation gesture messages. |
| IsTouchWindow Checks whether a specified window is touch-capable and, optionally, retrieves the modifier flags set for the window's touch capability. |
| ManipulationCompleted Handles the event when manipulation or inertia finishes. |
| ManipulationDelta Handles events that happen when a manipulated object changes. |
| ManipulationStarted Handles the event for when manipulation or inertia begins. |
| Process The Process method performs calculations and can raise the Started, Delta, or Completed event depending on whether extrapolation is completed or not. If extrapolation finished at the previous tick, the method is no-op. |
| ProcessDown The ProcessDown method feeds touch down data to the manipulation processor associated with a target. |
| ProcessDownWithTime Feeds touch down data, including a timestamp, to the manipulation processor associated with a target. |
| ProcessMove The ProcessMove method feeds movement data for the target object to its manipulation processor. |
| ProcessMoveWithTime Feeds movement data, including a time stamp, for the target object to its manipulation processor. |
| ProcessTime The ProcessTime method performs calculations for the given tick and can raise the Started, Delta, or Completed event depending on whether extrapolation is completed or not. If extrapolation finished at the previous tick, the method is no-op. |
| ProcessUp The ProcessUp method feeds data to a target's manipulation processor for touch up sequences. |
| ProcessUpWithTime Feeds data, including a timestamp, to a target's manipulation processor for touch-up sequences. |
| put_BoundaryBottom The BoundaryBottom property limits how far towards the bottom of the screen the target object can move. (Put) |
| put_BoundaryLeft The BoundaryLeft property limits how far towards the left of the screen the target object can move. (Put) |
| put_BoundaryRight The BoundaryRight property limits how far towards the right of the screen the target object can move. (Put) |
| put_BoundaryTop The BoundaryTop property limits how far towards the top of the screen the target object can move. (Put) |
| put_DesiredAngularDeceleration The DesiredAngularDeceleration property specifies the desired rate that the target object will stop spinning in radians per msec squared. (Put) |
| put_DesiredDeceleration The DesiredDeceleration property specifies the desired rate at which translation operations will decelerate. (Put) |
| put_DesiredDisplacement The DesiredDisplacement property specifies the desired distance that the object will travel. (Put) |
| put_DesiredExpansion The DesiredExpansion property specifies the desired change in the object's average radius. (Put) |
| put_DesiredExpansionDeceleration The DesiredExpansionDeceleration property specifies the rate at which the object will stop expanding. (Put) |
| put_DesiredRotation The DesiredRotation property specifies how far the current inertia processor object should manipulate the target object in radians. (Put) |
| put_ElasticMarginBottom The ElasticMarginBottom property specifies the bottom region for bouncing the target object. (Put) |
| put_ElasticMarginLeft The ElasticMarginLeft property specifies the leftmost region for bouncing the target object. (Put) |
| put_ElasticMarginRight The ElasticMarginRight property specifies the rightmost region for bouncing the target object. (Put) |
| put_ElasticMarginTop The ElasticMarginTop property specifies the topmost region for bouncing the target object. (Put) |
| put_InitialAngularVelocity The InitialAngularVelocity property specifies the rotational (angular) velocity of the target when movement begins. (Put) |
| put_InitialExpansionVelocity The InitialExpansionVelocity property specifies the rate of radius expansion for a target when the target was affected by inertia. (Put) |
| put_InitialOriginX The InitialOriginX property specifies the starting horizontal location for a target with inertia. (Put) |
| put_InitialOriginY The InitialOriginY property specifies the starting vertical location for a target with inertia. (Put) |
| put_InitialRadius The InitialRadius property specifies the distance from the edge of the target to its center before the object was changed. (Put) |
| put_InitialTimestamp The InitialTimestamp property specifies the starting time stamp for a target object with inertia. (Put) |
| put_InitialVelocityX The InitialVelocityX property specifies the initial movement of the target object on the horizontal axis. (Put) |
| put_InitialVelocityY The InitialVelocityY property specifies the initial movement of the target object on the vertical axis. (Put) |
| put_MinimumScaleRotateRadius Specifies how large the distance contacts on a scale or rotate gesture need to be to trigger manipulation. (Put) |
| put_PivotPointX The PivotPointX property is the horizontal center of the object. (Put) |
| put_PivotPointY The PivotPointY property is the vertical center of the object. (Put) |
| put_PivotRadius The PivotRadius property is used to determine how much rotation is used in single finger manipulation. (Put) |
| put_SupportedManipulations The SupportedManipulations property is used to indicate which manipulations are supported by an object. (Put) |
| RegisterTouchWindow Registers a window as being touch-capable. |
| Reset The Reset method initializes the processor with initial timestamp and restarts inertia. |
| SetGestureConfig Configures the messages that are sent from a window for Windows Touch gestures. |
| TOUCH_COORD_TO_PIXEL Converts touch coordinates to pixels. |
| UnregisterTouchWindow Registers a window as no longer being touch-capable. |
Interfaces
| _IManipulationEvents Handles manipulation and inertia events. |
| IInertiaProcessor The IInertiaProcessor interface handles calculations regarding object motion for Windows Touch. |
| IManipulationProcessor The IManipulationProcessor provides functionality for monitoring and responding to multitouch input. |
Structures
| GESTURECONFIG Gets and sets the configuration for enabling gesture messages and the type of this configuration. |
| GESTUREINFO Stores information about a gesture. |
| GESTURENOTIFYSTRUCT When transmitted with WM_GESTURENOTIFY messages, passes information about a gesture. |
| TOUCHINPUT Encapsulates data for touch input. |