static Accessible GetUiElement(Accessible acc, Point pt)
{
if (acc == null)
{
return(null);
}
var type = acc.Type;
var loc = acc.Location;
if (type != UIElementType.None && loc.Contains((int)pt.X, (int)pt.Y))
{
return(acc);
}
else
{
Accessible parent = acc.Parent;
if (parent != null)
{
return(GetUiElement(parent, pt));
}
else
{
return(null);
}
}
}
void GetParentTree(List <Accessible> buf, Accessible acc)
{
buf.Add(acc);
var parent = acc.Parent;
if (parent != null)
{
GetParentTree(buf, parent);
}
}
public int Children(out Accessible[] accessible)
{
accessible = null;
if (ChildId != NativeMethods.CHILD_SELF)
{
accessible = new Accessible[] { };
return(NativeMethods.S_OK);
}
int childrenCount = IAccessible.accChildCount;
if (childrenCount < 0)
{
throw new ChildCountInvalidException(childrenCount);
}
object[] children = new object[childrenCount];
int hr = NativeMethods.AccessibleChildren(IAccessible, 0, childrenCount, children, out childrenCount);
if (hr == NativeMethods.S_OK)
{
accessible = new Accessible[childrenCount];
int i = 0;
foreach (object child in children)
{
if (child != null)
{
if (child is IAccessible)
{
accessible[i++] = new Accessible((IAccessible)child, NativeMethods.CHILD_SELF);
}
else if (child is int)
{
accessible[i++] = new Accessible(IAccessible, (int)child);
}
}
}
// null children don't occur very often but if they do it stops us from going on
// So keep track of them so we can reallocate the array if necessary
if (childrenCount != i)
{
// if we had some null chilren create a smaller array to send the
// children back in.
Accessible[] accessibleNew = new Accessible[i];
Array.Copy(accessible, accessibleNew, i);
accessible = accessibleNew;
}
}
return(hr);
}
public static int FromEvent(IntPtr hwnd, int idObject, int idChild, out Accessible accessible)
{
accessible = null;
object childId = null;
IAccessible acc = null;
int hr = NativeMethods.AccessibleObjectFromEvent(hwnd, idObject, idChild, ref acc, ref childId);
if (acc != null)
{
accessible = new Accessible(acc, (int)childId);
}
return(hr);
}
public static int FromWindow(IntPtr hwnd, out Accessible accessible)
{
accessible = null;
Guid guid = NativeMethods.IID_IAccessible;
object obj = null;
int hr = NativeMethods.AccessibleObjectFromWindow(hwnd, NativeMethods.ObjIdWindow, ref guid, ref obj);
if (obj is IAccessible acc)
{
accessible = new Accessible(acc, 0);
}
return(hr);
}
public bool Compare(Accessible acc)
{
if (acc == null)
{
return(false);
}
var loc = acc.Location;
var thisLoc = Location;
if (!thisLoc.Equals(loc))
{
return(false);
}
var name = acc.Name;
var thisName = Name;
if (thisName != name)
{
return(false);
}
var role = acc.Role;
var thisRole = Role;
if (thisRole != role)
{
return(false);
}
var value = acc.Value;
var thisValue = Value;
if (thisValue != value)
{
return(false);
}
return(true);
}
static bool CheckParentClassIs(Accessible acc, string key)
{
var name = acc.ClassName;
if (name == key)
{
return(true);
}
else
{
var parent = acc.Parent;
if (parent != null)
{
return(CheckParentClassIs(parent, key));
}
else
{
return(false);
}
}
}
public void UpdateParent()
{
object parent = null;
if (ChildId == NativeMethods.CHILD_SELF)
{
IAccessible parentIAccessible = IAccessible.accParent as IAccessible;
if (parentIAccessible == null)
{
parent = null;
}
else
{
parent = new Accessible(parentIAccessible, NativeMethods.CHILD_SELF);
}
}
else
{
parent = new Accessible(IAccessible, NativeMethods.CHILD_SELF);
}
Parent = parent as Accessible;
}
public static int FromPoint(Point pt, out Accessible accessible)
{
accessible = null;
IAccessible acc = null;
object childId = null;
int hr = NativeMethods.AccessibleObjectFromPoint(new NativeMethods.POINT(pt), ref acc, ref childId);
if (hr == NativeMethods.S_OK && acc != null)
{
if (childId == null)
{
childId = 0;
}
if (!(childId is int))
{
throw new VariantNotIntException(childId);
}
accessible = new Accessible(acc, (int)childId);
}
return(hr);
}
public static Accessible GetHit(Point pt)
{
return(Accessible.FromPoint(pt));
}
public static UIElementType GetTypeFromRole(Accessible acc)
{
var role = acc.Role;
var name = acc.Name;
var state = acc.State;
var className = acc.ClassName;
switch (acc.Role)
{
case 0x01: //제목 표시줄
return(UIElementType.TitleBar);
case 0x3: // 스크롤 막대
case 0x33: //슬라이더
case 33: // 목록
if (className == "SysListView32" && (CheckParentClassIs(acc, "WorkerW") || CheckParentClassIs(acc, "Progman")))
{
return(UIElementType.None);
}
return(UIElementType.ScrollViewer);
case 0x9: //창
if (name == "Chrome Legacy Window" || className.StartsWith("Chrome_"))
{
return(UIElementType.Chrome);
}
else if (className == "SysTreeView32")
{
return(UIElementType.ScrollViewer);
}
return(UIElementType.None);
case 0x24: //윤곽항목
if (className == "SysTreeView32")
{
return(UIElementType.Button);
}
return(UIElementType.None);
case 42: //편집가능한 텍스트
if ((state & 0x40) != 0x40 && //사용불가
state != 0x0 //보통
)
{
return(UIElementType.TextBox);
}
return(UIElementType.None);
case 0x2C: //확인란
case 0x19: //열머리글
case 0x2E: //콤보박스
case 0x2D: //라디오 단추
case 34: //목록 항목
case 58: //그리드 드랍다운 단추
case 0x38: //드랍다운 단추
case 37: //페이지탭
case 0x3E: //분활단추
case 0xC: //메뉴항목
case 0x39: //메뉴단추
case 0x2B: //누름단추
case 0x1E: //링크
return(UIElementType.Button);
default:
return(UIElementType.None);
}
}