public Form1()
{
InitializeComponent();
foreach (HandleData data in HandleData.GetWindows())
{
TreeNode treeNode = new TreeNode(data.ToString());
treeNode.Tag = data;
AddChild(treeNode);
treeView1.Nodes.Add(treeNode);
}
}
private void button3_Click(object sender, EventArgs e)
{
HandleData data = ((HandleData)(treeView1.SelectedNode.Tag));
using (Graphics g = Graphics.FromHwnd((IntPtr)data.Handle))
{
SolidBrush sb = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
data.GetPosition(out int x, out int y, out int w, out int h);
g.FillRectangle(sb, 0, 0, w, h);
g.DrawRectangle(Pens.Black, 0, 0, w, h);
}
}
