これは、隣接する PropertyGridView との同期を示しています。いずれかのコントロールをクリックしたユーザーを処理するには、拡張する必要があることに注意してください。このバージョンは、propertyGrid1 に一致するように propertyGrid2 を更新しますが、その逆は行いません。
using System;
using System.Windows.Forms;
using System.Reflection;
namespace WindowsApplication1
{
public partial class Form1 : Form
{
Control m_pgv_1 = null;
Control m_pgv_2 = null;
MethodInfo m_method_info;
public Form1 ()
{
InitializeComponent ();
// Set the Property Grid Object to something
propertyGrid1.SelectedObject = dataGridView1;
propertyGrid2.SelectedObject = dataGridView1;
// Loop through sub-controlls and find PropertyGridView
m_pgv_1 = FindControl (propertyGrid1.Controls, "PropertyGridView");
m_pgv_2 = FindControl (propertyGrid2.Controls, "PropertyGridView");
// Reflection trickery to get a private/internal field
// and method, scrollBar and SetScrollOffset in this case
Type type = m_pgv_1.GetType ();
FieldInfo f = FindField (type, "scrollBar");
m_method_info = FindMethod (type, "SetScrollOffset");
// Get the scrollBar for our PropertyGrid and add the event handler
((ScrollBar)f.GetValue (m_pgv_1)).Scroll +=
new ScrollEventHandler (propertyGrid1_Scroll);
}
private void propertyGrid1_Scroll (object sender, ScrollEventArgs e)
{
System.Console.WriteLine ("Scroll");
// Set the new scroll position on the neighboring
// PropertyGridView
object [] parameters = { e.NewValue };
m_method_info.Invoke (m_pgv_2, parameters);
}
private static Control FindControl (
Control.ControlCollection controls, string name)
{
foreach (Control c in controls)
{
if (c.Text == name)
return c;
}
return null;
}
private static MethodInfo FindMethod (Type type, string method)
{
foreach (MethodInfo mi in type.GetMethods ())
{
if (method == mi.Name)
return mi;
}
return null;
}
private static FieldInfo FindField (Type type, string field)
{
FieldInfo f = type.GetField (field,
BindingFlags.Instance | BindingFlags.NonPublic);
return f;
}
}
}