public static WindowPlacement GetPlacement(
IntPtr windowHandle, bool throwOnError)
{
var placement = new WindowPlacement();
if (windowHandle == IntPtr.Zero)
{
return(placement);
}
placement.Length = Marshal.SizeOf(
typeof(WindowPlacement));
if (WindowNative.GetWindowPlacement(
windowHandle, ref placement))
{
return(placement);
}
if (throwOnError)
{
throw new Win32Exception(
Marshal.GetLastWin32Error());
}
return(new WindowPlacement());
}
public static bool SendString(IntPtr hwnd,
uint msg, int dwData, string value,
bool unicode = true)
{
var data = CreateForString(
dwData, value, unicode);
var dataSize = Environment
.GetSize <CopyData>();
var dataPtr = Marshal
.AllocCoTaskMem(dataSize);
Marshal.StructureToPtr(
data, dataPtr, false);
var messageReceived = WindowNative
.SendMessage(hwnd, msg,
IntPtr.Zero, dataPtr)
.ToInt32() != 0;
data.Dispose();
Marshal.FreeCoTaskMem(
dataPtr);
return(messageReceived);
}
public static void ActivateWindow(IntPtr hwnd)
{
if (hwnd != IntPtr.Zero)
{
WindowNative.SetActiveWindow(hwnd);
}
}
public static IntPtr GetModalWindow(IntPtr owner)
{
ModalWindow window = new ModalWindow();
WindowNative.EnumThreadWindows(WindowNative.GetCurrentThreadId(),
window.EnumChildren, owner);
return(window.MaxOwnershipHandle);
}
public bool EnumChildren(IntPtr hwnd, IntPtr lParam)
{
int level = 1;
if (WindowNative.IsWindowVisible(hwnd) &&
ModalWindowUtils.IsOwned(lParam, hwnd, ref level) &&
level > _maxOwnershipLevel)
{
MaxOwnershipHandle = hwnd;
_maxOwnershipLevel = level;
}
return(true);
}
public static bool IsOwned(IntPtr owner, IntPtr hwnd, ref int level)
{
IntPtr ownerWindow = WindowNative.GetWindow(hwnd, ModalWindow.GwOwner);
if (ownerWindow == IntPtr.Zero)
{
return(false);
}
if (ownerWindow == owner)
{
return(true);
}
level++;
return(IsOwned(owner, ownerWindow, ref level));
}
public void SetPlacement(IntPtr windowHandle)
{
WindowNative.SetWindowPlacement(windowHandle, ref this);
}
