C# (CSharp) WindowsFormsApplication1 NullFilterGraph示例

示例#1

 private void button4_Click(object sender, EventArgs e)
 {
     if (_graph != null)
     {
         _graph.Dispose();
         _graph = null;
     }
 }

示例#2

 private void button1_Click(object sender, EventArgs e)
 {
     _graph = new NullFilterGraph();
     _graph.Initialize();
 }