internal static string GetRoleText(uint roleId)
{
StringBuilder lpszRole = new StringBuilder(0x80);
OleAccNativeMethods.GetRoleText(roleId, lpszRole, (uint)lpszRole.Capacity);
return(lpszRole.ToString());
}
internal static string GetStateText(uint stateBits)
{
StringBuilder lpszStateBit = new StringBuilder(0x80);
OleAccNativeMethods.GetStateText(stateBits, lpszStateBit, (uint)lpszStateBit.Capacity);
return(lpszStateBit.ToString());
}
internal static IntPtr GetWindowFromIAccessible(IAccessible accObj)
{
IntPtr zero = IntPtr.Zero;
if (accObj != null)
{
OleAccNativeMethods.WindowFromAccessibleObject(accObj, out zero);
}
return(zero);
}
internal static IAccessible GetIAccessibleFromWindow(IntPtr hWnd)
{
IAccessible ppvObject = null;
if (!hWnd.Equals(IntPtr.Zero))
{
OleAccNativeMethods.AccessibleObjectFromWindow(hWnd, OleAccObjectId.OBJID_CLIENT, ref OleAccNativeMethods.IID_IAccessible, ref ppvObject);
}
return(ppvObject);
}
internal static void RefreshAccessibleChildren(IAccessible accObj, out int childCount)
{
int num;
childCount = GetChildCount(accObj);
if (childCount > _AccessibleChildren.Length)
{
_AccessibleChildren = new object[childCount];
}
if ((childCount > 0) && (OleAccNativeMethods.AccessibleChildren(accObj, 0, childCount, _AccessibleChildren, out num) == 1))
{
childCount = num;
}
}