WPF:如何遍历窗口中的所有控件? [英] WPF: How do I loop through the all controls in a window?
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问题描述
如何在 WPF 中循环浏览窗口中的所有控件?
How do I loop through the all controls in a window in WPF?
推荐答案
Class 获取控件的所有子组件的列表:
Class to get a list of all the children's components of a control:
class Utility
{
private static StringBuilder sbListControls;
public static StringBuilder GetVisualTreeInfo(Visual element)
{
if (element == null)
{
throw new ArgumentNullException(String.Format("Element {0} is null !", element.ToString()));
}
sbListControls = new StringBuilder();
GetControlsList(element, 0);
return sbListControls;
}
private static void GetControlsList(Visual control, int level)
{
const int indent = 4;
int ChildNumber = VisualTreeHelper.GetChildrenCount(control);
for (int i = 0; i <= ChildNumber - 1; i++)
{
Visual v = (Visual)VisualTreeHelper.GetChild(control, i);
sbListControls.Append(new string(' ', level * indent));
sbListControls.Append(v.GetType());
sbListControls.Append(Environment.NewLine);
if (VisualTreeHelper.GetChildrenCount(v) > 0)
{
GetControlsList(v, level + 1);
}
}
}
}
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