<UIPermissionAttribute(Window=UIPermissionWindow.SafeSubWindows Or  _
    UIPermissionWindow.SafeTopLevelWindows Or  _
    UIPermissionWindow.AllWindows, 
   Clipboard=UIPermissionClipboard.NoClipboard, 
   Action=SecurityAction.Demand Or  _
    SecurityAction.Assert Or  _
    SecurityAction.Deny Or  _
    SecurityAction.PermitOnly Or  _
    SecurityAction.LinkDemand Or  _
    SecurityAction.InheritanceDemand, 
   Unrestricted=False)>
Protected Overridable Function IsInputKey( _
   ByVal keyData As Keys _
) As Boolean

Dim instance As ArcIMSDataSourceDefinitionEditorForm
Dim keyData As Keys
Dim value As Boolean
 
value = instance.IsInputKey(keyData)

[UIPermissionAttribute(Window=UIPermissionWindow.SafeSubWindows | 
    UIPermissionWindow.SafeTopLevelWindows | 
    UIPermissionWindow.AllWindows, 
   Clipboard=UIPermissionClipboard.NoClipboard, 
   Action=SecurityAction.Demand | 
    SecurityAction.Assert | 
    SecurityAction.Deny | 
    SecurityAction.PermitOnly | 
    SecurityAction.LinkDemand | 
    SecurityAction.InheritanceDemand, 
   Unrestricted=false)]
protected virtual bool IsInputKey( 
   Keys keyData
)