public Form1()
{
InitializeComponent();
dha.nSize = System.Runtime.InteropServices.Marshal.SizeOf(dha);
dha.nRoundRadius = 2;
PDFXEdit.IUIX_Inst uiInst = (PDFXEdit.IUIX_Inst)pdfCtl.Inst.GetExtension("UIX");
brush = uiInst.CreateNewBrush();
pen = uiInst.CreateNewPen();
brush.Color0 = (uint)ColorTranslator.ToWin32(Color.Blue) | 0xFF000000;
brush.Opacity = 0.3;
brush.BlendType = PDFXEdit.UIX_BlendType.UIX_BlendType_Multiply;
pen.Brush.Color0 = brush.Color0;
pen.Brush.Opacity = 0.9;
pen.Brush.BlendType = PDFXEdit.UIX_BlendType.UIX_BlendType_Multiply;
PDFXEdit.IAUX_Inst auxInst = (PDFXEdit.IAUX_Inst)pdfCtl.Inst.GetExtension("AUX");
mh = auxInst.MathHelper;
dhp = new DrawHighlightOnPagesCallback();
dhp.brush = brush;
dhp.pen = pen;
dhp.mh = mh;
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
/////////////////////////////////////////////////////////////////////////////////////
// Forced release of all COM-objects that may still captured by Garbage Collector. //
// It is critical to release them before destroying of pdfCtl! //
/////////////////////////////////////////////////////////////////////////////////////
wordsRanges = null;
docHighlighter = null;
brush = null;
pen = null;
dhp.Stop(true);
dhp = null;
mh = null;
GC.Collect();
GC.WaitForPendingFinalizers();
}
