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| ESRI.ArcGIS.ADF.Web.UI.WebControls | |
| PreviewKeyDown Event | |
| See Also Send Feedback | |
| ESRI.ArcGIS.ADF.Web.UI.WebControls.Design Namespace > MarkerSymbolSelector Class : PreviewKeyDown Event |
Syntax
| Visual Basic (Declaration) | |
|---|---|
<SRCategoryAttribute("Key")>
<SRDescriptionAttribute("Occurs before the KeyDown event when a key is pressed while focus is on this control.")>
Public Event PreviewKeyDown As PreviewKeyDownEventHandler | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As MarkerSymbolSelector Dim handler As PreviewKeyDownEventHandler AddHandler instance.PreviewKeyDown, handler | |
| C# | |
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[SRCategoryAttribute("Key")]
[SRDescriptionAttribute("Occurs before the KeyDown event when a key is pressed while focus is on this control.")]
public event PreviewKeyDownEventHandler PreviewKeyDown | |
Event Data
The event handler receives an argument of type PreviewKeyDownEventArgs containing data related to this event. The following PreviewKeyDownEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Alt | Gets a value indicating whether the ALT key was pressed. |
| Control | Gets a value indicating whether the CTRL key was pressed. |
| IsInputKey | Gets or sets a value indicating whether a key is a regular input key. |
| KeyCode | Gets the keyboard code for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| KeyData | Gets the key data for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| KeyValue | Gets the keyboard value for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| Modifiers | Gets the modifier flags for a System.Windows.Forms.Control.KeyDown or System.Windows.Forms.Control.KeyUp event. |
| Shift | Gets a value indicating whether the SHIFT key was pressed. |
Requirements
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family