public Canvas()
{
mCanvasCore = new CanvasCore();
mCanvasControl = null;
mSizeMode = @"Normal";
mDockStyle = @"None";
}
public CanvasControl(CanvasCore nCanvasCore)
{
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.CacheText, true);
this.BackColor = Color.White;
ResizeRedraw = true;
AllowDrop = true;
mCanvasCore = nCanvasCore;
}