private static void RecurseFindWindow(IntPtr hWndParent, Action <WinComponent> child)
{
if (hWndParent == IntPtr.Zero)
{
return;
}
var pointers = new List <IntPtr>();
IntPtr hwndCur = PInvoke.GetWindow(hWndParent, (uint)PInvoke.GetWindowFlags.GW_HWNDFIRST);
do
{
pointers.Add(hwndCur);
var res = FromHandle(hwndCur);
child(res);
hwndCur = PInvoke.GetWindow(hwndCur, (uint)PInvoke.GetWindowFlags.GW_HWNDNEXT);
} while (hwndCur != IntPtr.Zero);
foreach (var pointer in pointers)
{
RecurseFindWindow(PInvoke.GetWindow(pointer, (uint)PInvoke.GetWindowFlags.GW_CHILD), child);
}
}
public List <WinComponent> ListChilds(IntPtr handle)
{
var childs = new List <WinComponent>();
IntPtr hwndCur = PInvoke.GetWindow(handle, (uint)PInvoke.GetWindowFlags.GW_CHILD);
RecurseFindWindow(hwndCur, childs);
return(childs);
}
public static T RecursiveFindWindow <T>(IntPtr x, Func <WinComponent, T> f, Func <T, T, T> g)
where T : class
{
var list = new List <T>();
if (x == IntPtr.Zero)
{
return(null);
}
var r = x;
var stk = new Stack <T>();
var node = r;
while (true)
{
var n = f(FromHandle(node));
stk.Push(n);
var node_child = PInvoke.GetWindow(node, (uint)PInvoke.GetWindowFlags.GW_CHILD);
if (node_child != IntPtr.Zero)
{
node = node_child; // walk down
}
else
{
IntPtr node_next;
while (true)
{
if (node == r)
{
var res = stk.Pop();
return(res);
}
node_next = PInvoke.GetWindow(node, (uint)PInvoke.GetWindowFlags.GW_HWNDNEXT);
if (node_next != IntPtr.Zero)
{
break;
}
var xn = stk.Pop();
var e = stk.Pop();
e = g(e, xn);
stk.Push(e);
node = PInvoke.GetParent(node); // walk up
}
var xn0 = stk.Pop();
var e1 = stk.Pop();
e1 = g(e1, xn0);
stk.Push(e1);
node = node_next; // PInvoke.GetWindow(node, (uint)PInvoke.GetWindowFlags.GW_HWNDNEXT); // ... and right
}
}
}
public List <WinComponent> ListChilds(IntPtr handle)
{
var childs = new List <WinComponent>();
IntPtr hwndCur = PInvoke.GetWindow(handle, (uint)PInvoke.GetWindowFlags.GW_CHILD);
RecurseFindWindow(hwndCur, (c) => childs.Add(c));
childs.Sort((x, y) => {
var r = IntCompare(x.Top, y.Top);
return(r == 0 ? IntCompare(x.Left, y.Left) : r);
});
return(childs);
}
private static void RecurseFindWindow(IntPtr hWndParent, List <WinComponent> childs)
{
if (hWndParent == IntPtr.Zero)
{
return;
}
var pointers = new List <IntPtr>();
IntPtr hwndCur = PInvoke.GetWindow(hWndParent, (uint)PInvoke.GetWindowFlags.GW_HWNDFIRST);
do
{
pointers.Add(hwndCur);
var chArWindowClass = new StringBuilder(257);
PInvoke.GetClassName(hwndCur, chArWindowClass, 256);
var strWndClass = chArWindowClass.ToString();
var length = PInvoke.GetWindowTextLength(hwndCur);
var sb = new StringBuilder(length + 1);
PInvoke.GetWindowText(hwndCur, sb, sb.Capacity);
PInvoke.RECT rct;
PInvoke.GetWindowRect(hwndCur, out rct);
var style = PInvoke.GetWindowLong(hwndCur, PInvoke.GWL_STYLE);
childs.Add(new WinComponent(strWndClass, sb.ToString(), hwndCur, rct.Left, rct.Top, style));
hwndCur = PInvoke.GetWindow(hwndCur, (uint)PInvoke.GetWindowFlags.GW_HWNDNEXT);
} while (hwndCur != IntPtr.Zero);
foreach (var pointer in pointers)
{
RecurseFindWindow(PInvoke.GetWindow(pointer, (uint)PInvoke.GetWindowFlags.GW_CHILD), childs);
}
}
