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






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    PreviewKeyDown Event (DicomViewer)
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    Syntax
    'Declaration
 

    <SRCategoryAttribute("CatKey")>
<SRDescriptionAttribute("PreviewKeyDownDescr")>
Public Event PreviewKeyDown As System.Windows.Forms.PreviewKeyDownEventHandler
    'Usage
 

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

    The event handler receives an argument of type System.Windows.Forms.PreviewKeyDownEventArgs containing data related to this event. The following PreviewKeyDownEventArgs 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.  
    IsInputKeyGets or sets a value indicating whether a key is a regular input key.  
    KeyCodeGets the keyboard code for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event.  
    KeyDataGets the key code combined with key modifiers such as the SHIFT, CONTROL, and ALT keys 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.  
    ShiftGets a value indicating whether the SHIFT key was pressed.  
    Requirements

    Target Platforms: .NET CLR 4.8 or higher

    See Also

    Reference

    DicomViewer Class
    DicomViewer Members

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