public static bool ForceForegroundWindow(int handle)
{
var foregroundWnd = User32.GetForegroundWindow();
if (handle == foregroundWnd)
{
return(true);
}
int ret;
var threadId1 = User32.GetWindowThreadProcessId(foregroundWnd, 0);
var threadId2 = User32.GetWindowThreadProcessId(handle, 0);
if (threadId1 != threadId2)
{
User32.AttachThreadInput(threadId1, threadId2, 1);
ret = User32.SetForegroundWindow(handle);
User32.AttachThreadInput(threadId1, threadId2, 0);
}
else
{
ret = User32.SetForegroundWindow(handle);
}
var showWindowMode = User32.IsIconic(handle) == 0 ? User32.Restore : User32.Show;
User32.ShowWindow(handle, showWindowMode);
User32.SetActiveWindow(handle);
User32.BringWindowToTop(handle);
return(ret != 0);
}
private void BringCurrentToFront(int parentPid, int currentPid)
{
foreach (var process in Process.GetProcessesByName("fam"))
{
if (process.Id == currentPid)
{
continue;
}
var processParentPid = GetParentProcessId(process);
if (processParentPid != parentPid)
{
_trace.TraceInformation("Found a previous process with PID {0}, but it does not appear to be attached to PID {1}. Ignoring...", process.Id, parentPid);
continue;
}
_trace.TraceInformation("Found a previous process with PID {0}. Getting windows...", process.Id);
var windows = GetProcessWindows(process.Id);
foreach (var window in windows)
{
_trace.TraceInformation("Calling BringWindowToTop with HWND {0}.", window);
User32.BringWindowToTop(window);
}
return;
}
ConsoleNeeded();
Terminal.WriteLine("Unable to start the familiar. Please check logs for details.");
_trace.TraceError("Unable to find previous process.");
}
void KeyCommandEditor_Shown(object sender, EventArgs e)
{
User32.BringWindowToTop(this.Handle);
if (_cmd == OPMShortcut.CmdOutOfRange)
{
DialogResult = DialogResult.Cancel;
Close();
}
}
/// <summary>
/// Forces the window to the foreground by attaching to the foreground window thread
/// </summary>
private void ForceForeground()
{
// This is required as there's a few restrictions on when this can be called
// Per https://msdn.microsoft.com/en-us/library/windows/desktop/ms633539%28v=vs.85%29.aspx
var targetThread = User32.GetWindowThreadProcessId(User32.GetForegroundWindow(), IntPtr.Zero);
var appThread = Kernel32.GetCurrentThreadId();
var attached = false;
try
{
if (targetThread == appThread)
{
// already attached
return;
}
attached = User32.AttachThreadInput(targetThread, appThread, true);
if (!attached)
{
// hmm
Close();
return;
}
var ourHandle = new WindowInteropHelper(this).Handle;
// force us to the forground
User32.BringWindowToTop(ourHandle);
User32.SetFocus(ourHandle);
}
finally
{
if (attached)
{
// unattach
User32.AttachThreadInput(targetThread, appThread, false);
}
}
}
public static void ShowWindow(IntPtr hWnd)
{
if (User32.GetForegroundWindow() != hWnd)
{
IntPtr dwMyThreadID = User32.GetWindowThreadProcessId(User32.GetForegroundWindow(), IntPtr.Zero);
IntPtr dwOtherThreadID = User32.GetWindowThreadProcessId(hWnd, IntPtr.Zero);
if (dwMyThreadID != dwOtherThreadID)
{
User32.AttachThreadInput(dwMyThreadID, dwOtherThreadID, true);
User32.BringWindowToTop(hWnd);
User32.SetForegroundWindow(hWnd);
IntPtr hMain = User32.GetWindow(hWnd, WinBase.GW_ENABLEDPOPUP);
User32.SetFocus(hMain);
User32.AttachThreadInput(dwMyThreadID, dwOtherThreadID, false);
}
else
{
User32.SetForegroundWindow(hWnd);
}
}
}
public static void ActivateTopLevelWindow(Control control)
{
// Prevent stupidity.
if (control == null || !control.IsHandleCreated)
{
return;
}
// Find the form that contains the control. If it's found, we get off easy, and can
// activate it natively through .NET.
Form form = control.FindForm();
if (form != null)
{
form.Activate();
}
else
{
User32.BringWindowToTop(control.Handle);
}
}
void MessageDisplay_Shown(object sender, EventArgs e)
{
//this.TopMost = true;
User32.BringWindowToTop(this.Handle);
}
public void BringWindowToTop(long handle)
{
User32.BringWindowToTop((System.IntPtr)handle);
}
public void RegainTrayPriority()
{
User32.BringWindowToTop(windowHandle);
}
public override void ActivateForm(Window form, Window window, IntPtr hwnd)
{
var fHandle = (PresentationSource.FromVisual(form) as HwndSource).Handle;
var wHandle = window == null ? IntPtr.Zero : (PresentationSource.FromVisual(window) as HwndSource).Handle;
if (window == null || wHandle != fHandle)
{
IntPtr Dummy = IntPtr.Zero;
IntPtr hWnd = fHandle;
if (User32.IsIconic(hWnd))
{
User32.ShowWindowAsync(hWnd, SW_RESTORE);
}
else
{
//User32.ShowWindowAsync(hWnd, SW_SHOW);
form.ShowActivated = true;
form.Show();
}
User32.SetForegroundWindow(hWnd);
form.Activate();
form.Topmost = true;
form.Topmost = false;
// Code from Karl E. Peterson, www.mvps.org/vb/sample.htm
// Converted to Delphi by Ray Lischner
// Published in The Delphi Magazine 55, page 16
// Converted to C# by Kevin Gale
IntPtr foregroundWindow = User32.GetForegroundWindow();
if (foregroundWindow != hWnd)
{
uint foregroundThreadId = User32.GetWindowThreadProcessId(foregroundWindow, Dummy);
uint thisThreadId = User32.GetWindowThreadProcessId(hWnd, Dummy);
if (User32.AttachThreadInput(thisThreadId, foregroundThreadId, true))
{
form.Activate();
form.Topmost = true;
form.Topmost = false;
User32.BringWindowToTop(hWnd); // IE 5.5 related hack
User32.SetForegroundWindow(hWnd);
User32.AttachThreadInput(thisThreadId, foregroundThreadId, false);
}
}
if (User32.GetForegroundWindow() != hWnd)
{
// Code by Daniel P. Stasinski
// Converted to C# by Kevin Gale
IntPtr Timeout = IntPtr.Zero;
User32.SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, Timeout, 0);
User32.SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, Dummy, SPIF_SENDCHANGE);
User32.BringWindowToTop(hWnd); // IE 5.5 related hack
User32.SetForegroundWindow(hWnd);
form.Activate();
form.Topmost = true;
form.Topmost = false;
User32.SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, Timeout, SPIF_SENDCHANGE);
}
Shell32.FlashWindow(fHandle, 0);
}
}