public bool SendToBackground(IntPtr handler, int displayIndex = 0)
{
if (handler == IntPtr.Zero || Shown)
{
return(false);
}
var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
if (ok)
{
_originalRect = react;
}
Shown = true;
_targeHandler = handler;
if (_workerw == IntPtr.Zero)
{
_workerw = GetWorkerW();
}
_parentHandler = User32Wrapper.GetParent(_targeHandler);
if (_parentHandler == IntPtr.Zero)
{
_parentHandler = User32Wrapper.GetAncestor(_targeHandler, GetAncestorFlags.GetParent);
}
User32Wrapper.SetParent(_targeHandler, _workerw);
FullScreen(_targeHandler, displayIndex);
return(true);
}
public bool SendToBackground(IntPtr handler)
{
if (Shown && handler != _currentHandler)
{
//已经换了窗口，恢复上一个窗口
RestoreParent(false);
}
if (handler == IntPtr.Zero || Shown)
{
return(false);
}
var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
if (ok)
{
_originalRect = react;
}
Shown = true;
_currentHandler = handler;
if (_workerw == IntPtr.Zero)
{
_workerw = GetWorkerW();
if (_workerw == IntPtr.Zero)
{
return(false);
}
}
_parentHandler = User32Wrapper.GetParent(_currentHandler);
if (_parentHandler == IntPtr.Zero)
{
_parentHandler = User32Wrapper.GetAncestor(_currentHandler, GetAncestorFlags.GetParent);
}
User32Wrapper.SetParent(_currentHandler, _workerw);
FullScreen(_currentHandler, DisplayScreen);
return(true);
}