private void fillColorToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Atalasoft.Annotate.AnnotationBrush brush = GetAnnotationBrush(this.documentAnnotationViewer1.Annotations.ActiveAnnotation, "Fill");
            if (brush == null)
            {
                return;
            }

            Color clr = GetColor(brush.Color);

            if (clr != Color.Empty)
            {
                brush.Color = clr;
            }
            UpdateAnnotationDefault(this.documentAnnotationViewer1.Annotations.ActiveAnnotation);
            //TODO: remove this
            //ProcessThumbnail(this._currentFrame);
        }
        private void textColorToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Atalasoft.Annotate.AnnotationBrush brush = GetAnnotationBrush(this.documentAnnotationViewer1.Annotations.ActiveAnnotation, "FontBrush");
            if (brush == null)
            {
                return;
            }

            Color clr = GetColor(brush.Color);

            if (clr != Color.Empty)
            {
                if (brush.FillType == Atalasoft.Annotate.FillType.Hatch)
                {
                    brush.HatchForeColor = clr;
                }
                else
                {
                    brush.Color = clr;
                }
            }
            UpdateAnnotationDefault(this.documentAnnotationViewer1.Annotations.ActiveAnnotation);
        }