using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
namespace PDF_Office.Tools
{
public static class CommonHelper
{
///
/// 查找对象目标类型的父类控件
///
///
///
///
public static T FindVisualParent(DependencyObject obj) where T : class
{
try
{
while (obj != null)
{
if (obj is T)
return obj as T;
obj = VisualTreeHelper.GetParent(obj);
}
return null;
}
catch { return null; }
}
///
/// 根据对象查找目标类型的子类
///
///
///
///
public static childItem FindVisualChild(DependencyObject obj)
where childItem : DependencyObject
{
try
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(obj, i);
if (child != null && child is childItem)
return (childItem)child;
else
{
childItem childOfChild = FindVisualChild(child);
if (childOfChild != null)
return childOfChild;
}
}
return null;
}
catch { return null; }
}
}
}