Form.ActivateMdiChild Method (System.Windows.Forms)

ActivateMdiChild Method

.NET Framework Class Library

Form..::.ActivateMdiChild Method

Activates the MDI child of a form.

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

Syntax

Visual Basic (Declaration)

Protected Sub ActivateMdiChild ( _
    form As Form _
)

Visual Basic (Usage)

Dim form As Form

Me.ActivateMdiChild(form)

protected void ActivateMdiChild(
    Form form
)

Visual C++

protected:
void ActivateMdiChild(
    Form^ form
)

JScript

protected function ActivateMdiChild(
    form : Form
)

Parameters

form: Type: System.Windows.Forms..::.Form
The child form to activate.

Remarks

If the form parameter is already the active MDI child form, then the ActivateMdiChild method simply returns. If form is not nullNothingnullptra null reference (Nothing in Visual Basic), then it is set to be the active MDI child form.

Whether the form parameter is nullNothingnullptra null reference (Nothing in Visual Basic) or not, ActivateMdiChild raises the MdiChildActivate event.

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

Form Class

Form Members

System.Windows.Forms Namespace

ActiveMdiChild

ActiveForm

MdiChildActivate

Other Resources

Multiple-Document Interface (MDI) Applications

How to: Determine the Active MDI Child

How to: Send Data to the Active MDI Child