/* ----------------------------------------------------------------- */
///
/// Render (private)
///
/// <summary>
/// MEMO: ロックは暫定処理．Microsoft によると public にアクセス
/// 可能なオブジェクトを用いた lock は想定していないらしい．
/// http://msdn.microsoft.com/ja-jp/library/c5kehkcz%28VS.80%29.aspx
/// </summary>
///
/* ----------------------------------------------------------------- */
private static bool Render(Canvas canvas, bool adjust)
{
if (canvas == null)
{
return(false);
}
var engine = canvas.Tag as CanvasEngine;
if (engine == null)
{
return(false);
}
var core = engine.Core;
if (core == null)
{
return(false);
}
lock (core) {
var status = core.RenderPage(IntPtr.Zero, false, false);
if (status && adjust)
{
CanvasPolicy.Adjust(canvas);
}
canvas.Invalidate();
return(status);
}
}
/* ----------------------------------------------------------------- */
/// Adjust_WorkCompletedHandler
/* ----------------------------------------------------------------- */
private static void Adjust_WorkCompletedHandler(object sender, RunWorkerCompletedEventArgs e)
{
var canvas = e.Result as Canvas;
if (canvas == null)
{
return;
}
canvas.Cursor = Cursors.Default;
CanvasPolicy.Adjust(canvas);
canvas.Invalidate();
}