public bool Track(IMouseInformation mouseInformation)
{
bool result = false;
if (_capturedHandler != null)
{
return(_capturedHandler.Track(mouseInformation));
}
foreach (IGraphic graphic in EnumerateChildGraphics(true))
{
if (!graphic.Visible)
{
continue;
}
IMouseButtonHandler handler = graphic as IMouseButtonHandler;
if (handler != null)
{
result = handler.Track(mouseInformation);
if (result)
{
break;
}
}
}
return(result);
}
private bool TrackHandler(IMouseButtonHandler handler)
{
if (!_tile.Selected && SuppressOnTileActivate(handler))
{
return(false);
}
if (ConstrainToTile(handler) && !this.TileClientRectangle.Contains(this.Location))
{
return(false);
}
return(handler.Track(this));
}
/// <summary>
/// Called by the framework when the mouse has moved.
/// </summary>
/// <remarks>
/// <para>
/// A button does not necessarily have to be down for this message to be called. The framework can
/// call it any time the mouse moves.
/// </para>
/// <para>
/// The <see cref="ControlGraphic"/> implementation calls <see cref="IMouseButtonHandler.Track"/> on
/// the current handler, <see cref="Track"/>, or any child graphics implementing <see cref="IMouseButtonHandler"/>,
/// in decreasing order of priority.
/// </para>
/// </remarks>
/// <param name="mouseInformation">The mouse input information.</param>
/// <returns>True if the message was handled; False otherwise.</returns>
bool IMouseButtonHandler.Track(IMouseInformation mouseInformation)
{
bool result = false;
if (_capturedHandler != null)
{
return(_capturedHandler.Track(mouseInformation));
}
if (Enabled)
{
try
{
result = Track(mouseInformation);
}
finally
{
if (_isTracking)
{
_lastTrackedPosition = mouseInformation.Location;
}
}
}
if (!result)
{
foreach (IGraphic graphic in EnumerateChildGraphics(true))
{
if (!graphic.Visible)
{
continue;
}
IMouseButtonHandler handler = graphic as IMouseButtonHandler;
if (handler != null)
{
result = handler.Track(mouseInformation);
if (result)
{
break;
}
}
}
}
return(result);
}
private bool TrackHandler(IMouseButtonHandler handler)
{
if (!_tile.Selected && SuppressOnTileActivate(handler))
return false;
if (ConstrainToTile(handler) && !this.TileClientRectangle.Contains(this.Location))
return false;
return handler.Track(this);
}