Beispiel #1
0
        /// <summary>
        /// Raises the Paint event.
        /// </summary>
        /// <param name="e">A PaintEventArgs that contains the event data.</param>
        protected override void OnPaint(PaintEventArgs e)
        {
            // Cannot process a message for a disposed control
            if (!IsDisposed)
            {
                // Do we have a manager to use for painting?
                if (ViewManager != null)
                {
                    // If the layout is dirty, or the size of the control has changed
                    // without a layout being performed, then perform a layout now
                    if (_layoutDirty && (!Size.Equals(_lastLayoutSize)))
                    {
                        PerformLayout();
                    }

                    // Draw the background as transparent, by drawing parent
                    PaintTransparentBackground(e);

                    // Ask the view to repaint the visual structure
                    ViewManager.Paint(_renderer, e);

                    // Request for a refresh has been serviced
                    _refresh    = false;
                    _refreshAll = false;
                }
            }
        }
        /// <summary>
        /// Raises the Paint event.
        /// </summary>
        /// <param name="e">A PaintEventArgs that contains the event data.</param>
        protected override void OnPaint(PaintEventArgs e)
        {
            // Cannot process a message for a disposed control
            if (!IsDisposed && !Disposing)
            {
                // Do we have a manager to use for painting?
                if (ViewManager != null)
                {
                    // If the layout is dirty, then perform a layout now
                    if (_layoutDirty)
                    {
                        Size beforeSize = ClientSize;

                        PerformLayout();

                        // Did the layout cause a change in the size of the control?
                        if ((beforeSize.Width < ClientSize.Width) ||
                            (beforeSize.Height < ClientSize.Height))
                        {
                            // Have to reset the _refresh before calling need paint otherwise
                            // it will not create another invalidate or invoke call as necessary
                            _refresh    = false;
                            _refreshAll = false;
                            PerformNeedPaint(false);
                        }
                    }

                    // Draw the background as transparent, by drawing parent
                    PaintTransparentBackground(e);

                    // Ask the view to repaint the visual structure
                    if (!IsDisposed && !Disposing)
                    {
                        ViewManager.Paint(_renderer, e);
                    }

                    // Request for a refresh has been serviced
                    _refresh    = false;
                    _refreshAll = false;
                }
            }
        }