/// <summary>
/// Возвращает точку, расположенную по центру указанного пункта
/// </summary>
/// <param name="item">Handle пункта дерева</param>
/// <returns>Точка по центру указанного пункта</returns>
public Point GetItemPoint(IntPtr item)
{
RECT rct = new RECT();
while (rct.Left > MaxCorrectCoord ||
rct.Top > MaxCorrectCoord ||
rct.Left <= 0 ||
rct.Top <= 0)
{
Win32API.GetWindowThreadProcessId(handle, out int pid);
IntPtr process = Win32API.OpenProcess(
Win32API.ProcessAccessFlags.VirtualMemoryOperation |
Win32API.ProcessAccessFlags.VirtualMemoryRead |
Win32API.ProcessAccessFlags.VirtualMemoryWrite |
Win32API.ProcessAccessFlags.QueryInformation,
false, pid);
IntPtr pBool = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)));
Marshal.WriteInt32(pBool, 0, 1);
int sizeRct = Marshal.SizeOf(typeof(RECT));
IntPtr hRct = Marshal.AllocHGlobal(sizeRct);
var hRecItem = Win32API.VirtualAllocEx(process, IntPtr.Zero, sizeRct, Win32API.AllocationType.Commit, Win32API.MemoryProtection.ReadWrite);
Win32API.WriteProcessMemory(process, hRecItem, item, sizeRct, out IntPtr written);
Win32API.SendMessage(handle, TreeViewMessages.TVM_GETITEMRECT, pBool, hRecItem);
Win32API.ReadProcessMemory(process, hRecItem, hRct, sizeRct, out IntPtr read);
rct = (RECT)Marshal.PtrToStructure(hRct, typeof(RECT));
Win32API.CloseHandle(process);
}
Win32API.GetWindowRect(handle, out RECT treeRect);
int x = (rct.Left + rct.Right) / 2 + treeRect.Left;
int y = (rct.Top + rct.Bottom) / 2 + treeRect.Top;
return(new Point(x, y));
}
/// <summary>
/// Получает пункт "Расчёт"->"Линейный" в дереве действий главного окна SCAD
/// </summary>
/// <returns>Handle пункта "Линеный"</returns>
public IntPtr GetLinearCalcuationsItem()
{
IntPtr treeItem = IntPtr.Zero;
while (treeItem == IntPtr.Zero)
{
handle = Win32API.WindowFromPoint(new Point(Settings.DefaultX, Settings.DefaultY));
treeItem = Win32API.SendMessage(handle, TreeViewMessages.TVM_GETNEXTITEM, TreeViewMessages.GetRoot, IntPtr.Zero);
treeItem = Win32API.SendMessage(handle, TreeViewMessages.TVM_GETNEXTITEM, TreeViewMessages.GetNext, treeItem);
treeItem = Win32API.SendMessage(handle, TreeViewMessages.TVM_GETNEXTITEM, TreeViewMessages.GetChild, treeItem);
Win32API.SendMessage(handle, TreeViewMessages.TVM_SELECTITEM, TreeViewMessages.SelectItem, treeItem);
}
return(treeItem);
}
