/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.FormClosing" /> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.FormClosingEventArgs" /> that contains the event data.</param>
protected override void OnFormClosing(FormClosingEventArgs e)
{
base.OnFormClosing(e);
if (_cursor != null)
{
_cursor.Dispose();
_cursor = null;
}
if (_spray == null)
{
return;
}
_spray.Dispose();
_spray = null;
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
// Set our default cursor.
_currentCursor = Resources.hand_icon;
// Load our raw input plug-in assembly.
Gorgon.PlugIns.LoadPlugInAssembly(Program.PlugInPath + "Gorgon.Input.Raw.DLL");
// Create our input factory.
_factory = GorgonInputFactory.CreateInputFactory("GorgonLibrary.Input.GorgonRawPlugIn");
// Get our device info.
// This function is called when the factory is created.
// However, I'm calling it here just to show that it exists.
_factory.EnumerateDevices();
// Validate, even though it's highly unlikely we'll run into these.
if (_factory.PointingDevices.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There were no mice detected on this computer. The application requires a mouse.");
Gorgon.Quit();
}
if (_factory.KeyboardDevices.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There were no keyboards detected on this computer. The application requires a keyboard.");
Gorgon.Quit();
}
// Get our input devices.
CreateMouse();
CreateKeyboard();
CreateJoystick();
// When the display area changes size, update the spray effect
// and limit the mouse.
panelDisplay.Resize += panelDisplay_Resize;
// Set the initial range of the mouse cursor.
_mouse.PositionRange = Rectangle.Round(panelDisplay.ClientRectangle);
// Set up our spray object.
_spray = new Spray(panelDisplay.ClientSize);
_cursor = new MouseCursor(panelDisplay)
{
Hotspot = new Point(-16, -3)
};
// Set up our idle method.
Gorgon.ApplicationIdleLoopMethod = Idle;
}
catch (Exception ex)
{
// We do this here instead of just calling the dialog because this
// function will send the exception to the Gorgon log file.
GorgonException.Catch(ex, () => GorgonDialogs.ErrorBox(this, ex));
Gorgon.Quit();
}
}