Merge branch 'compdfkit_demo_win_rebuild' of http://git.kdan.cc:8865/Others/kmpdfkit_demo into compdfkit_demo_win_rebuild

Demo/Examples/Compdfkit_Tools/Annotation/PDFAnnotationPanel/PDFAnnotationUI/CPDFFreehandUI.xaml.cs

@@ -47,7 +47,12 @@ namespace Compdfkit_Tools.PDFControlUI
             }
             else
             {
-                cPDFAnnotation.SetTransparency(Convert.ToByte( CPDFOpacityControl.OpacityValue / 100.0));
+                double transparent = CPDFOpacityControl.OpacityValue / 100.0;
+                if(transparent<=1)
+                {
+                    transparent = transparent * 255;
+                }
+                cPDFAnnotation.SetTransparency((byte)transparent);
                 pdfViewerControl.PDFViewTool.GetCPDFViewer().UpDataAnnotFrame();
             }
             CPDFAnnotationPreviewerControl.DrawFreehandPreview(GetFreehandData());