public static T FindChild <T>(DependencyObject parent, Func <T, bool> additionalCheck) where T : DependencyObject
{
int childrenCount = VisualTreeHelper.GetChildrenCount(parent);
T child;
for (int index = 0; index < childrenCount; index++)
{
child = VisualTreeHelper.GetChild(parent, index) as T;
if (child != null)
{
if (additionalCheck == null)
{
return(child);
}
else
{
if (additionalCheck(child))
{
return(child);
}
}
}
}
for (int index = 0; index < childrenCount; index++)
{
child = TreeHelper.FindChild <T>(VisualTreeHelper.GetChild(parent, index), additionalCheck);
if (child != null)
{
return(child);
}
}
return(null);
}
public static T FindChild <T>(DependencyObject parent) where T : DependencyObject
{
return(TreeHelper.FindChild <T>(parent, null));
}
