Class KeyboardHelper

Provides helper methods for the keyboard input.

Inheritance
System.Object
KeyboardHelper
Namespace: Telerik.Windows.Controls.Spreadsheet.Utilities
Assembly: Telerik.Windows.Controls.Spreadsheet.dll

Syntax

public static class KeyboardHelper : Object

Methods

AddModifier(ModifierKeys, ModifierKeys)

Adds modifier to the key modifiers.

Declaration
public static ModifierKeys AddModifier(ModifierKeys modifiers, ModifierKeys modifier)
Parameters
System.Windows.Input.ModifierKeys modifiers

The key modifiers.
System.Windows.Input.ModifierKeys modifier

The modifier to add.
Returns
System.Windows.Input.ModifierKeys

The result key modifiers.

GetModifierKeyForEnter()

Gets the modifier key for Enter.

Declaration
public static ModifierKeys GetModifierKeyForEnter()
Returns
System.Windows.Input.ModifierKeys

The modifier key for Enter.

IsAltPressed()

Determines whether alt key is pressed.

Declaration
public static bool IsAltPressed()
Returns
System.Boolean

True if ALT key is pressed.

IsCtrlKey(Key)

Determines whether the given key is CTRL.

Declaration
public static bool IsCtrlKey(Key key)
Parameters
System.Windows.Input.Key key

The key to be checked.
Returns
System.Boolean

True if the key is CTRL.

IsCtrlOrMacPressed()

Determines whether CTRL or Mac is pressed.

Declaration
public static bool IsCtrlOrMacPressed()
Returns
System.Boolean

True if CTRL or Mac is pressed.

IsKeyboardFocusWithin(UIElement)

Determines whether keyboard focus is within the current UI element.

Declaration
public static bool IsKeyboardFocusWithin(this UIElement element)
Parameters
System.Windows.UIElement element

The element.
Returns
System.Boolean

True if the focus is within the current UI element.

IsModifierPressed(ModifierKeys)

Determines whether modifier keys are pressed.

Declaration
public static bool IsModifierPressed(ModifierKeys modifier)
Parameters
System.Windows.Input.ModifierKeys modifier

The modifier keys to look for.
Returns
System.Boolean

True if modifier keys are pressed.

IsModifierPressed(ModifierKeys, ModifierKeys)

Determines whether modifier keys are pressed.

Declaration
public static bool IsModifierPressed(ModifierKeys modifiers, ModifierKeys modifier)
Parameters
System.Windows.Input.ModifierKeys modifiers

The modifier keys to check if modifier is contained.
System.Windows.Input.ModifierKeys modifier

The modifier.
Returns
System.Boolean

True if modifier key is pressed.

IsShiftKey(Key)

Determines whether the key is Shift key.

Declaration
public static bool IsShiftKey(Key key)
Parameters
System.Windows.Input.Key key

The key to be checked.
Returns
System.Boolean

True if the key is Shift.

IsShiftPressed()

Determines whether shift key is pressed.

Declaration
public static bool IsShiftPressed()
Returns
System.Boolean

True if shift key is pressed.

IsShiftPressed(ModifierKeys)

Determines whether shift key is pressed.

Declaration
public static bool IsShiftPressed(ModifierKeys modifiers)
Parameters
System.Windows.Input.ModifierKeys modifiers

The modifier keys to check if shift key is contained.
Returns
System.Boolean

True if shift is pressed.

RemoveModifier(ModifierKeys, ModifierKeys)

Removes key modifier from key modifiers.

Declaration
public static ModifierKeys RemoveModifier(ModifierKeys modifiers, ModifierKeys modifier)
Parameters
System.Windows.Input.ModifierKeys modifiers

The key modifiers.
System.Windows.Input.ModifierKeys modifier

The modifier to remove.
Returns
System.Windows.Input.ModifierKeys

The result key modifiers.