DicomObjects.NET.8.48 Documentation
DicomObjects Namespace / DicomViewer Class / KeyDown Event






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    KeyDown Event (DicomViewer)
    In This Topic
    Syntax
    'Declaration
 

    <SRCategoryAttribute("CatKey")>
<SRDescriptionAttribute("ControlOnKeyDownDescr")>
Public Event KeyDown As System.Windows.Forms.KeyEventHandler
    'Usage
 

    Dim instance As DicomViewer
Dim handler As System.Windows.Forms.KeyEventHandler
 
AddHandler instance.KeyDown, handler
    [SRCategory("CatKey")]
[SRDescription("ControlOnKeyDownDescr")]
public event System.Windows.Forms.KeyEventHandler KeyDown
    public event KeyDown: System.Windows.Forms.KeyEventHandler; 
    In JScript, you can handle the events defined by another class, but you cannot define your own.
    [SRCategory("CatKey")]
[SRDescription("ControlOnKeyDownDescr")]
public: __event System.Windows.Forms.KeyEventHandler* KeyDown
    [SRCategory("CatKey")]
[SRDescription("ControlOnKeyDownDescr")]
public:
event System.Windows.Forms.KeyEventHandler^ KeyDown
    Event Data

    The event handler receives an argument of type System.Windows.Forms.KeyEventArgs containing data related to this event. The following KeyEventArgs properties provide information specific to this event.

    PropertyDescription
    AltGets a value indicating whether the ALT key was pressed.  
    ControlGets a value indicating whether the CTRL key was pressed.  
    HandledGets or sets a value indicating whether the event was handled.  
    KeyCodeGets the keyboard code for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event.  
    KeyDataGets the key data for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event.  
    KeyValueGets the keyboard value for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event.  
    ModifiersGets the modifier flags for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. The flags indicate which combination of CTRL, SHIFT, and ALT keys was pressed.  
    ShiftGets a value indicating whether the SHIFT key was pressed.  
    SuppressKeyPressGets or sets a value indicating whether the key event should be passed on to the underlying control.  
    Requirements

    Target Platforms: .NET CLR 4.8 or higher

    See Also

    Reference

    DicomViewer Class
    DicomViewer Members

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