public bool PreFilterMessage(ref Message m)
{
// Has a key been pressed?
if (m.Msg == (int)Win32.Msgs.WM_KEYDOWN)
{
// Is it the ESCAPE key?
if ((int)m.WParam == (int)Win32.VirtualKeys.VK_ESCAPE)
{
// Are we in a redocking activity?
if (_intercept)
{
// Quite redocking
_redocker.QuitTrackingMode(null);
// Release capture
this.Capture = false;
// Reset state
_intercept = false;
return(true);
}
}
}
return(false);
}
protected void OnPageDragQuit(object sender, MouseEventArgs e)
{
// Are we currently in a redocking state?
if (_redocker != null)
{
// Get redocker to quit
_redocker.QuitTrackingMode(e);
// Put back the page that was removed when dragging started
RestoreDraggingPage();
// No longer need the object
_redocker = null;
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
// The double click event will cause the control to be destroyed as
// the Contents are restored to their alternative positions, so need to
// double check the control is not already dead
if (!IsDisposed)
{
// Always quit when new another button pressed and already docking
if (_redocker != null)
{
_redocker.QuitTrackingMode(e);
// No longer need the object
_redocker = null;
}
else
{
// Left mouse down begins a redocking action
if (e.Button == MouseButtons.Left)
{
if (this.ParentWindow.RedockAllowed)
{
WindowContent wc = this.ParentWindow as WindowContent;
// Is our parent a WindowContent instance?
if (wc != null)
{
// Start redocking activity for the whole WindowContent
_redocker = new RedockerContent(this, wc, new Point(e.X, e.Y));
}
}
}
this.Focus();
}
}
base.OnMouseDown(e);
}