Class KeyboardState

Encapsulates the state of a Keyboard device.

Inheritance

object

KeyboardState

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Namespace: OpenTK.Windowing.GraphicsLibraryFramework

Assembly: OpenTK.Windowing.GraphicsLibraryFramework.dll

Syntax

public class KeyboardState

Properties

IsAnyKeyDown

Gets a value indicating whether any key is currently down.

Declaration

public bool IsAnyKeyDown { get; }

Property Value

Type	Description
bool	true if any key is down; otherwise, false.

this[Keys]

Gets a bool indicating whether the specified Keys is currently down.

Declaration

public bool this[Keys key] { get; }

Parameters

Type	Name	Description
Keys	key	The key to check.

Property Value

Type	Description
bool	true if key is down; false otherwise.

Methods

GetSnapshot()

Gets an immutable snapshot of this KeyboardState. This can be used to save the current keyboard state for comparison later on.

Declaration

public KeyboardState GetSnapshot()

Returns

Type	Description
KeyboardState	Returns an immutable snapshot of this KeyboardState.

IsKeyDown(Keys)

Gets a bool indicating whether this key is currently down.

Declaration

public bool IsKeyDown(Keys key)

Parameters

Type	Name	Description
Keys	key	The key to check.

Returns

Type	Description
bool	true if key is in the down state; otherwise, false.

IsKeyPressed(Keys)

Gets whether the specified key is pressed in the current frame but released in the previous frame.

Declaration

public bool IsKeyPressed(Keys key)

Parameters

Type	Name	Description
Keys	key	The key to check.

Returns

Type	Description
bool	True if the key is pressed in this frame, but not the last frame.

Remarks

"Frame" refers to invocations of ( more precisely) here.

IsKeyReleased(Keys)

Gets whether the specified key is released in the current frame but pressed in the previous frame.

Declaration

public bool IsKeyReleased(Keys key)

Parameters

Type	Name	Description
Keys	key	The key to check.

Returns

Type	Description
bool	True if the key is released in this frame, but pressed the last frame.

Remarks

"Frame" refers to invocations of ( more precisely) here.

ToString()

Declaration

public override string ToString()

Returns

Type	Description
string

Overrides

object.ToString()

WasKeyDown(Keys)

Gets a bool indicating whether this key was down in the previous frame.

Declaration

public bool WasKeyDown(Keys key)

Parameters

Type	Name	Description
Keys	key	The Keys to check.

Returns

Type	Description
bool	true if key was in the down state; otherwise, false.