private void formulaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var dialogform = new GetFormulaPopup();
            if (dialogform.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                //HtmlElement userimage = editor.webBrowser1.Document.CreateElement("img");
                //userimage.SetAttribute("src", Path.Combine(Path.GetTempPath(), "Eq2ImgWinForms.gif"));
                //userimage.Id = Guid.NewGuid().ToString();
                Point p = new Point();
                GetCaretPos(ref p);
                // StreamReader sm = new StreamReader(Path.Combine(dialogform.tempGifFilePath, ""));

                string aImg = "<IMG border=0 hspace=0 alt='' src='" + GetImage(dialogform.tempGifFilePath) + "'align=baseline>";

                switch (myenum)
                {
                    case MyEnum.EnglishQuestion:
                        var CurrentSelectedsLocation = (mshtml.IHTMLTxtRange)editor.doc.selection.createRange();
                        CurrentSelectedsLocation.pasteHTML(aImg);
                        //  HtmlElement currentElement = editor.webBrowser1.Document.GetElementFromPoint(p);
                        // currentElement.InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, (HtmlElement)aImg);
                        //editor.webBrowser1.Document.Body.AppendChild(userimage);
                        //editor.BodyHtml = editor.BodyHtml + aImg;
                        break;
                    case MyEnum.EnglishOption1:
                        var CurrentSelectedsLocationEN1 = (mshtml.IHTMLTxtRange)editorEN1.doc.selection.createRange();
                        CurrentSelectedsLocationEN1.pasteHTML(aImg);
                        // editorEN1.BodyHtml = editorEN1.BodyHtml + aImg;
                        //  editorEN1.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption2:
                        var CurrentSelectedsLocationEN2 = (mshtml.IHTMLTxtRange)editorEN2.doc.selection.createRange();
                        CurrentSelectedsLocationEN2.pasteHTML(aImg);
                        // editorEN2.BodyHtml = editorEN2.BodyHtml + aImg;
                        // editorEN2.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption3:
                        var CurrentSelectedsLocationEN3 = (mshtml.IHTMLTxtRange)editorEN3.doc.selection.createRange();
                        CurrentSelectedsLocationEN3.pasteHTML(aImg);
                        //editorEN3.BodyHtml = editorEN3.BodyHtml + aImg;
                        //editorEN3.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption4:
                        var CurrentSelectedsLocationEN4 = (mshtml.IHTMLTxtRange)editorEN4.doc.selection.createRange();
                        CurrentSelectedsLocationEN4.pasteHTML(aImg);
                        // editorEN4.BodyHtml = editorEN4.BodyHtml + aImg;
                        // editorEN4.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiQuestion:
                        // HtmlElement currentElement1 = editor1.webBrowser1.Document.GetElementFromPoint(p);
                        //currentElement1.Id
                        // .InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, userimage);
                        // editor1.webBrowser1.Document.Body.AppendChild(userimage);
                        var CurrentSelectedsLocationHI = (mshtml.IHTMLTxtRange)editor.doc.selection.createRange();
                        CurrentSelectedsLocationHI.pasteHTML(aImg);

                        //editor1.BodyHtml = editor1.BodyHtml + aImg;
                        break;
                    case MyEnum.HindiOption1:

                        var CurrentSelectedsLocationHI1 = (mshtml.IHTMLTxtRange)editorHI1.doc.selection.createRange();
                        CurrentSelectedsLocationHI1.pasteHTML(aImg);
                        //editorHI1.BodyHtml = editorHI1.BodyHtml + aImg;

                        // editorHI1.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption2:
                        var CurrentSelectedsLocationHI2 = (mshtml.IHTMLTxtRange)editorHI2.doc.selection.createRange();
                        CurrentSelectedsLocationHI2.pasteHTML(aImg);
                        //editorHI2.BodyHtml = editorHI2.BodyHtml + aImg;
                        //editorHI2.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption3:
                        var CurrentSelectedsLocationHI3 = (mshtml.IHTMLTxtRange)editorHI3.doc.selection.createRange();
                        CurrentSelectedsLocationHI3.pasteHTML(aImg);
                        //editorHI3.BodyHtml = editorHI3.BodyHtml + aImg;
                        // editorHI3.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption4:
                        var CurrentSelectedsLocationHI4 = (mshtml.IHTMLTxtRange)editorHI4.doc.selection.createRange();
                        CurrentSelectedsLocationHI4.pasteHTML(aImg);
                        //editorHI4.BodyHtml = editorHI4.BodyHtml + aImg;
                        //editorHI4.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    default:
                        MsgBox.Show("Please Select a Question or Answer first", "No selected Box Fount", MsgBox.Buttons.OK, MsgBox.Icon.Info, MsgBox.AnimateStyle.ZoomIn);
                        break;
                }

            }
        }
        private void formulaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var dialogform = new GetFormulaPopup();

            if (dialogform.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                //HtmlElement userimage = editor.webBrowser1.Document.CreateElement("img");
                //userimage.SetAttribute("src", Path.Combine(Path.GetTempPath(), "Eq2ImgWinForms.gif"));
                //userimage.Id = Guid.NewGuid().ToString();
                Point p = new Point();
                GetCaretPos(ref p);
                // StreamReader sm = new StreamReader(Path.Combine(dialogform.tempGifFilePath, ""));

                var aImg = "<IMG border=0 hspace=0 alt='' src='" + GetImage(dialogform.tempGifFilePath) + "'align=baseline>";

                switch (myenum)
                {
                case MyEnum.EnglishQuestion:
                    // HtmlElement currentElement = editor.webBrowser1.Document.GetElementFromPoint(p);
                    // currentElement.InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, userimage);
                    //editor.webBrowser1.Document.Body.AppendChild(userimage);
                    editor.BodyHtml = editor.BodyHtml + aImg;
                    break;

                case MyEnum.EnglishOption1:
                    editorEN1.BodyHtml = editorEN1.BodyHtml + aImg;
                    //  editorEN1.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.EnglishOption2:
                    editorEN2.BodyHtml = editorEN2.BodyHtml + aImg;
                    // editorEN2.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.EnglishOption3:
                    editorEN3.BodyHtml = editorEN3.BodyHtml + aImg;
                    //editorEN3.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.EnglishOption4:
                    editorEN4.BodyHtml = editorEN4.BodyHtml + aImg;
                    // editorEN4.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.HindiQuestion:
                    // HtmlElement currentElement1 = editor1.webBrowser1.Document.GetElementFromPoint(p);
                    //currentElement1.Id
                    // .InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, userimage);
                    // editor1.webBrowser1.Document.Body.AppendChild(userimage);
                    editor1.BodyHtml = editor1.BodyHtml + aImg;
                    break;

                case MyEnum.HindiOption1:
                    editorHI1.BodyHtml = editorHI1.BodyHtml + aImg;
                    // editorHI1.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.HindiOption2:
                    editorHI2.BodyHtml = editorHI2.BodyHtml + aImg;
                    //editorHI2.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.HindiOption3:
                    editorHI3.BodyHtml = editorHI3.BodyHtml + aImg;
                    // editorHI3.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                case MyEnum.HindiOption4:
                    editorHI4.BodyHtml = editorHI4.BodyHtml + aImg;
                    //editorHI4.webBrowser1.Document.Body.AppendChild(userimage);
                    break;

                default:
                    MessageBox.Show("Please Select a Question or Answer first");
                    break;
                }
            }
        }
        private void formulaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var dialogform = new GetFormulaPopup();
            if (dialogform.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                //HtmlElement userimage = editor.webBrowser1.Document.CreateElement("img");
                //userimage.SetAttribute("src", Path.Combine(Path.GetTempPath(), "Eq2ImgWinForms.gif"));
                //userimage.Id = Guid.NewGuid().ToString();
                Point p = new Point();
                GetCaretPos(ref p);
                // StreamReader sm = new StreamReader(Path.Combine(dialogform.tempGifFilePath, ""));

                var aImg = "<IMG border=0 hspace=0 alt='' src='" + GetImage(dialogform.tempGifFilePath) + "'align=baseline>";

                switch (myenum)
                {
                    case MyEnum.EnglishQuestion:
                        // HtmlElement currentElement = editor.webBrowser1.Document.GetElementFromPoint(p);
                        // currentElement.InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, userimage);
                        //editor.webBrowser1.Document.Body.AppendChild(userimage);
                        editor.BodyHtml = editor.BodyHtml + aImg;
                        break;
                    case MyEnum.EnglishOption1:
                        editorEN1.BodyHtml = editorEN1.BodyHtml + aImg;
                        //  editorEN1.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption2:
                        editorEN2.BodyHtml = editorEN2.BodyHtml + aImg;
                        // editorEN2.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption3:
                        editorEN3.BodyHtml = editorEN3.BodyHtml + aImg;
                        //editorEN3.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.EnglishOption4:
                        editorEN4.BodyHtml = editorEN4.BodyHtml + aImg;
                        // editorEN4.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiQuestion:
                        // HtmlElement currentElement1 = editor1.webBrowser1.Document.GetElementFromPoint(p);
                        //currentElement1.Id
                        // .InsertAdjacentElement(HtmlElementInsertionOrientation.AfterBegin, userimage);
                        // editor1.webBrowser1.Document.Body.AppendChild(userimage);
                        editor1.BodyHtml = editor1.BodyHtml + aImg;
                        break;
                    case MyEnum.HindiOption1:
                        editorHI1.BodyHtml = editorHI1.BodyHtml + aImg;
                        // editorHI1.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption2:
                        editorHI2.BodyHtml = editorHI2.BodyHtml + aImg;
                        //editorHI2.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption3:
                        editorHI3.BodyHtml = editorHI3.BodyHtml + aImg;
                        // editorHI3.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    case MyEnum.HindiOption4:
                        editorHI4.BodyHtml = editorHI4.BodyHtml + aImg;
                        //editorHI4.webBrowser1.Document.Body.AppendChild(userimage);
                        break;
                    default:
                        MessageBox.Show("Please Select a Question or Answer first");
                        break;
                }

            }
        }