Control.CanFocus Property (System.Windows.Forms)

Microsoft Developer Network

CanFocus Property

.NET Framework Class Library

Control..::.CanFocus Property

Gets a value indicating whether the control can receive focus.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)

Syntax

Visual Basic (Declaration)

<BrowsableAttribute(False)> _
Public ReadOnly Property CanFocus As Boolean

Visual Basic (Usage)

Dim instance As Control
Dim value As Boolean

value = instance.CanFocus

[BrowsableAttribute(false)]
public bool CanFocus { get; }

Visual C++

[BrowsableAttribute(false)]
public:
property bool CanFocus {
    bool get ();
}

JScript

public function get CanFocus () : boolean

Property Value

Type: System..::.Boolean
true if the control can receive focus; otherwise, false.

Remarks

In order for a control to receive input focus, the control must have a handle assigned to it, and the Visible and Enabled properties must both be set to true for both the control and all its parent controls, and the control must be a form or the control's outermost parent must be a form.

Examples

The following code example sets focus to the specified Control, if it can receive focus.

Visual Basic

Public Sub ControlSetFocus(control As Control)
   ' Set focus to the control, if it can receive focus.
   If control.CanFocus Then
      control.Focus()
   End If
End Sub

public void ControlSetFocus(Control control)
{
   // Set focus to the control, if it can receive focus.
   if(control.CanFocus)
   {
      control.Focus();
   }
}

Visual C++

public:
   void ControlSetFocus( Control^ control )
   {

      // Set focus to the control, if it can receive focus.
      if ( control->CanFocus )
      {
         control->Focus();
      }
   }

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Reference

Control Class

Control Members

System.Windows.Forms Namespace