protected virtual void OnPropertyChanging(string propertyName)
{
System.ComponentModel.PropertyChangingEventHandler handler = PropertyChanging;
if (handler != null)
{
if (System.Windows.Forms.Application.OpenForms.Count > 0)
{
System.Windows.Forms.Form mainForm = System.Windows.Forms.Application.OpenForms[0];
if (mainForm != null)
{
if (mainForm.InvokeRequired)
{
// We are not in UI Thread now
mainForm.Invoke(handler, new object[] { this, new System.ComponentModel.PropertyChangedEventArgs(propertyName) });
}
else
{
handler(this, new System.ComponentModel.PropertyChangingEventArgs(propertyName));
}
}
}
}
}
protected virtual void SendPropertyChanging()
{
System.ComponentModel.PropertyChangingEventHandler h = this.PropertyChanging;
if ((h != null))
{
h(this, emptyChangingEventArgs);
}
}
