public static string GetWindowText(IntPtr hWnd)
{
// Allocate correct string length first
int length = WindowsInterop.GetWindowTextLength(hWnd);
StringBuilder sb = new StringBuilder(length + 1);
WindowsInterop.GetWindowText(hWnd, sb, sb.Capacity);
return(sb.ToString());
}
private static List <IntPtr> GetRootWindowsOfProcess(int pid)
{
List <IntPtr> rootWindows = GetChildWindows(IntPtr.Zero);
List <IntPtr> dsProcRootWindows = new List <IntPtr>();
foreach (IntPtr hWnd in rootWindows)
{
WindowsInterop.GetWindowThreadProcessId(hWnd, out uint lpdwProcessId);
if (lpdwProcessId == pid)
{
dsProcRootWindows.Add(hWnd);
}
}
return(dsProcRootWindows);
}
public static RECT GetClientRect()
{
RECT clientRect = new RECT();
WindowsInterop.GetClientRect(Handle, ref clientRect);
POINT topLeft = new POINT();
ClientToScreen(Handle, ref topLeft);
clientRect.Left = topLeft.X;
clientRect.Top = topLeft.Y;
clientRect.Right += topLeft.X;
clientRect.Bottom += topLeft.Y;
return(clientRect);
}
private static List <IntPtr> GetChildWindows(IntPtr parent)
{
List <IntPtr> result = new List <IntPtr>();
GCHandle listHandle = GCHandle.Alloc(result);
try
{
WindowsInterop.Win32Callback childProc = new WindowsInterop.Win32Callback(EnumWindow);
WindowsInterop.EnumChildWindows(parent, childProc, GCHandle.ToIntPtr(listHandle));
}
finally
{
if (listHandle.IsAllocated)
{
listHandle.Free();
}
}
return(result);
}
