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Download AppActivationDemo.zip, last updated 29/12/2013 (11.64 KB)
Download- md5: 3d84cc965982745d60d01044853821d7
using System;
using System.Windows.Forms;
// How to be notified when your application is activated and deactivated
// http://cyotek.com/blog/how-to-be-notified-when-your-application-is-activated-and-deactivated
namespace AppActivationDemo
{
internal class BaseApplicationForm : Form
{
#region Events
public event EventHandler ApplicationActivated;
public event EventHandler ApplicationDeactivated;
#endregion
#region Overridden Members
protected override void WndProc(ref Message m)
{
if (m.Msg == NativeMethods.WM_ACTIVATEAPP)
{
if (m.WParam != IntPtr.Zero)
this.OnApplicationActivated(EventArgs.Empty);
else
this.OnApplicationDeactivated(EventArgs.Empty);
}
base.WndProc(ref m);
}
#endregion
#region Members
protected virtual void OnApplicationActivated(EventArgs e)
{
EventHandler handler;
handler = this.ApplicationActivated;
if (handler != null)
handler(this, e);
}
protected virtual void OnApplicationDeactivated(EventArgs e)
{
EventHandler handler;
handler = this.ApplicationDeactivated;
if (handler != null)
handler(this, e);
}
#endregion
}
}
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