public static List <IntPtr> GetChildWindows(IntPtr hwnd)
{
var childWindows = new List <IntPtr>();
try
{
WinAPI.WindowEnumProc addChildWindow =
(IntPtr childHwnd, IntPtr lparam) => {
childWindows.Add(childHwnd);
return(1);
};
WinAPI.EnumChildWindows(hwnd, addChildWindow, IntPtr.Zero);
}
catch (Exception ex)
{
ex.log("in GetChildWindows");
}
return(childWindows);
}
public Excel.Application[] GetExcelInstances()
{
_XLInstances = new List <Excel.Application>();
_ExcelProcessIDs = new HashSet <int>();
_ExcelTopLevelWindowHwnds = new List <int>();
foreach (Process p in Process.GetProcessesByName("EXCEL"))
{
_ExcelProcessIDs.Add(p.Id); //find all process ids related to Excel
}
int hwnd = 0;
var cb = new WinAPI.WindowEnumProc(GetAllExcelTopLevelWindowHwnds);
WinAPI.EnumWindows(cb, ref hwnd);
foreach (var hwnd2 in _ExcelTopLevelWindowHwnds)
{
var excelHwnd = 0;
var cb2 = new WinAPI.WindowEnumProc(GetExcelWorkbooksFromExcelWindowHandles);
WinAPI.EnumChildWindows(hwnd2, cb2, ref excelHwnd);
}
return(_XLInstances.ToArray());
}