/// <summary>
/// Delete the GlControl context.
/// </summary>
protected override void DeleteContext()
{
// Event handling
OnGraphicsContextDestroying();
// Delete OpenGL context
_GraphicsContext.Dispose();
_GraphicsContext = null;
// Emulates GlControl behaviour
_RenderContext = IntPtr.Zero;
}
/// <summary>
/// Main routine for every RenderKernelService thread.
/// </summary>
/// <param name="data"></param>
private static void KernelServiceMain(object data)
{
object[] args = (object[])data;
GraphicsKernelService kService = (GraphicsKernelService)args[0];
GraphicsContext ctx = (GraphicsContext)args[1];
// Make the context current
if (ctx != null)
{
ctx.MakeCurrent(true);
}
// Execute this service in another thread
kService.ThreadExecute(ctx);
// Dispose current context, if any
if (ctx != null)
{
ctx.Dispose();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.HandleDestroyed"/> event.
/// </summary>
/// <param name="e">
/// An <see cref="T:System.EventArgs"/> that contains the event data.
/// </param>
protected override void OnHandleDestroyed(EventArgs e)
{
if (DesignMode == false)
{
if (_RenderContext != null)
{
// Raise DestroyContext event
_RenderContext.MakeCurrent(true);
RaiseGraphicsContextDestroyed(new GraphicsControlEventArgs(_RenderContext, _RenderWindow));
_RenderContext.MakeCurrent(false);
// Dispose the renderer context
_RenderContext.Dispose();
_RenderContext = null;
}
// Dispose the renderer window
if (_RenderWindow != null)
{
_RenderWindow.Dispose();
_RenderWindow = null;
}
}
// Base implementation
base.OnHandleDestroyed(e);
}
