public void Reshow(bool animated, bool modal)
{
lock (instanceLock)
{
// If there's no current instance then we are just a left over that is going to
// be closed/disposed shortly anyway.
if (currentInstance == null)
{
return;
}
Form mainForm = Application.OpenForms["MainForm"];
if (mainForm == null)
{
throw new Exception("HUD display needs main form to be named \"MainForm\" to find it.");
}
mainForm.Update();
// The (transparent) HUD will cover the entire application window.
Bounds = mainForm.Bounds;
PrepareBitmap(modal);
// Don't use animations in a terminal session (remote desktop).
useAnimation = animated && !SystemInformation.TerminalServerSession;
if (IsDisposed || Disposing)
{
return;
}
if (useAnimation)
{
ControlUtilities.SetBitmap(this, contentBitmap, 0);
Win32.ShowWindow(Handle, (uint)SW.SHOWNOACTIVATE);
for (float i = 1; i <= animationSteps; i++)
{
ControlUtilities.SetBitmap(this, contentBitmap, (int)(i / animationSteps * 255));
}
}
else
{
ControlUtilities.SetBitmap(this, contentBitmap, 255);
Win32.ShowWindow(Handle, (uint)SW.SHOWNOACTIVATE);
}
}
}
/// <summary>
/// Hides the HUD form and releases any used bitmap resource.
/// </summary>
private void DoHide()
{
if (useAnimation && contentBitmap != null)
{
for (float i = animationSteps; i >= 0; i--)
{
ControlUtilities.SetBitmap(this, contentBitmap, (int)(i / animationSteps * 255));
}
}
base.Hide();
if (contentBitmap != null)
{
contentBitmap.Dispose();
contentBitmap = null;
}
cancelDelegate = null;
}