ContainerControl.IContainerControl.ActivateControl Method
Activates the specified control.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Parameters
- control
- Type: System.Windows.Forms.Control
The Control to activate.
Implements
IContainerControl.ActivateControl(Control)The following code example demonstrates how to inherit from the ScrollableControl class and implement the IContainerControl interface. Implementation is added to the ActiveControl property and the ActivateControl method.
using System; using System.Windows.Forms; using System.Drawing; public class MyContainer : ScrollableControl, IContainerControl { private Control activeControl; public MyContainer() { // Make the container control Blue so it can be distinguished on the form. this.BackColor = Color.Blue; // Make the container scrollable. this.AutoScroll = true; } // Add implementation to the IContainerControl.ActiveControl property. public Control ActiveControl { get { return activeControl; } set { // Make sure the control is a member of the ControlCollection. if(this.Controls.Contains(value)) { activeControl = value; } } } // Add implementations to the IContainerControl.ActivateControl(Control) method. public bool ActivateControl(Control active) { if(this.Controls.Contains(active)) { // Select the control and scroll the control into view if needed. active.Select(); this.ScrollControlIntoView(active); this.activeControl = active; return true; } return false; } }
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
