The UserActionKeyDown Event is available as an add-on to the LEADTOOLS Medical Imaging toolkits.
Optional delegate method for additional processing.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Event UserActionKeyDown As EventHandler(Of MedicalViewerKeyEventArgs) | |
| Visual Basic (Usage) |  Copy Code |
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Dim instance As MedicalViewerCell Dim handler As EventHandler(Of MedicalViewerKeyEventArgs) AddHandler instance.UserActionKeyDown, handler | |
| C# | |
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public event EventHandler<MedicalViewerKeyEventArgs> UserActionKeyDown | |
| C++/CLI | |
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public: event EventHandler<MedicalViewerKeyEventArgs^>^ UserActionKeyDown | |
Event Data
The event handler receives an argument of type MedicalViewerKeyEventArgs containing data related to this event. The following MedicalViewerKeyEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| ActionID | Gets or sets the ID of the action that raised the event. |
| Alt (Inherited from System.Windows.Forms.KeyEventArgs) | Gets a value indicating whether the ALT key was pressed. |
| CellIndex | Gets or sets the value that indicates the index of the cell that received the action. |
| Control (Inherited from System.Windows.Forms.KeyEventArgs) | Gets a value indicating whether the CTRL key was pressed. |
| Handled (Inherited from System.Windows.Forms.KeyEventArgs) | Gets or sets a value indicating whether the event was handled. |
| Images | Gets or sets the array of Leadtools.RasterImage objects that contain the images to be updated. |
| KeyCode (Inherited from System.Windows.Forms.KeyEventArgs) | Gets the keyboard code for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| KeyData (Inherited from System.Windows.Forms.KeyEventArgs) | Gets the key data for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| KeyValue (Inherited from System.Windows.Forms.KeyEventArgs) | Gets the keyboard value for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| Modifiers (Inherited from System.Windows.Forms.KeyEventArgs) | Gets 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. |
| Shift (Inherited from System.Windows.Forms.KeyEventArgs) | Gets a value indicating whether the SHIFT key was pressed. |
| SuppressKeyPress (Inherited from System.Windows.Forms.KeyEventArgs) | Gets or sets a value indicating whether the key event should be passed on to the underlying control. |
Example
For an example, refer to MedicalViewerCell.CustomPaint
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7