More refactoring

src/views/demoComponent/DemoComponent1.js

         PDFEngine();
         window.print();
     }
-    const apiCall = () => {
+    // const apiCall = () => {
         
-        const url = encodeURIComponent("http://localhost:3000/#/DemoComponent2");
-        const dateNow = new Date();
-        fetch('https://localhost:7285/api/PDFGenerator/' + url)
-            .then(async res => ({
-                filename: "John Doe - " + dateNow +" - report.pdf",
-                blob: await res.blob()
-            }))
-            .then(resObj => {
-                // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
-                const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
-                //const bytes = new Uint8Array(newBlob);
-                //console.log(bytes);
-                //modifyPdf(bytes);
-                // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob
-                if (window.navigator && window.navigator.msSaveOrOpenBlob) {
-                    window.navigator.msSaveOrOpenBlob(newBlob);
-                } else {
-                    // For other browsers: create a link pointing to the ObjectURL containing the blob.
-                    const objUrl = window.URL.createObjectURL(newBlob);
+    //     const url = encodeURIComponent("http://localhost:3000/#/DemoComponent2");
+    //     const dateNow = new Date();
+    //     fetch('https://localhost:7285/api/PDFGenerator/' + url)
+    //         .then(async res => ({
+    //             filename: "John Doe - " + dateNow +" - report.pdf",
+    //             blob: await res.blob()
+    //         }))
+    //         .then(resObj => {
+    //             // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
+    //             const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
+    //             //const bytes = new Uint8Array(newBlob);
+    //             //console.log(bytes);
+    //             //modifyPdf(bytes);
+    //             // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob
+    //             if (window.navigator && window.navigator.msSaveOrOpenBlob) {
+    //                 window.navigator.msSaveOrOpenBlob(newBlob);
+    //             } else {
+    //                 // For other browsers: create a link pointing to the ObjectURL containing the blob.
+    //                 const objUrl = window.URL.createObjectURL(newBlob);
         
-                    let link = document.createElement('a');
-                    link.href = objUrl;
-                    link.download = resObj.filename;
-                    link.click();
+    //                 let link = document.createElement('a');
+    //                 link.href = objUrl;
+    //                 link.download = resObj.filename;
+    //                 link.click();
         
-                    // For Firefox it is necessary to delay revoking the ObjectURL.
-                    setTimeout(() => { window.URL.revokeObjectURL(objUrl); }, 250);
-                }
-            })
-            .catch((error) => {
-                console.log('DOWNLOAD ERROR', error);
-            });
-    }
+    //                 // For Firefox it is necessary to delay revoking the ObjectURL.
+    //                 setTimeout(() => { window.URL.revokeObjectURL(objUrl); }, 250);
+    //             }
+    //         })
+    //         .catch((error) => {
+    //             console.log('DOWNLOAD ERROR', error);
+    //         });
+    // }
     return (
         <>
             <div code="br-hide" style={{ display: 'flex', flexDirection: 'row', border: '1px solid #dedede', width: '50%', height: '200px', backgroundColor: 'white', padding: '5px', borderRadius: '10px' }}>

src/views/demoComponent/DemoComponent10.js

     CCallout
 } from '@coreui/react';
 import CIcon from '@coreui/icons-react';
-import PDFEngine from 'PDFEngine';
+//import PDFEngine from 'PDFEngine';
 
 import MainChartExample from '../charts/MainChartExample.js';
 const WidgetsDropdown = lazy(() => import('../widgets/WidgetsDropdown.js'))
             .then(resObj => {
                 // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
                 const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
-                const bytes = new Uint8Array(newBlob);
+                //const bytes = new Uint8Array(newBlob);
                 //console.log(bytes);
                 //modifyPdf(bytes);
                 // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob

src/views/demoComponent/DemoComponent12.js

     CCallout
 } from '@coreui/react';
 import CIcon from '@coreui/icons-react';
-import PDFEngine from 'PDFEngine';
+//import PDFEngine from 'PDFEngine';
 
 import MainChartExample from '../charts/MainChartExample.js';
 const WidgetsDropdown = lazy(() => import('../widgets/WidgetsDropdown.js'))
             .then(resObj => {
                 // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
                 const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
-                const bytes = new Uint8Array(newBlob);
+                //const bytes = new Uint8Array(newBlob);
                 //console.log(bytes);
                 //modifyPdf(bytes);
                 // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob

src/views/demoComponent/DemoComponent7.js

     CCallout
 } from '@coreui/react';
 import CIcon from '@coreui/icons-react';
-import PDFEngine from 'PDFEngine';
+//import PDFEngine from 'PDFEngine';
 
 import MainChartExample from '../charts/MainChartExample.js';
 const WidgetsDropdown = lazy(() => import('../widgets/WidgetsDropdown.js'))
         .then(resObj => {
             // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
             const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
-            const bytes = new Uint8Array(newBlob);
+            //const bytes = new Uint8Array(newBlob);
             //console.log(bytes);
             //modifyPdf(bytes);
             // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob

src/views/demoComponent/DemoComponent9.js

-import React, { lazy, useEffect, useState } from 'react';
+import React, { lazy, useState } from 'react';
 import {
     CBadge,
     CButton,
     CCallout
 } from '@coreui/react';
 import CIcon from '@coreui/icons-react';
-import PDFEngine from 'PDFEngine';
+//import PDFEngine from 'PDFEngine';
 
 import MainChartExample from '../charts/MainChartExample.js';
 const WidgetsDropdown = lazy(() => import('../widgets/WidgetsDropdown.js'))
     const handleChangeMargin = (event) => {
         setMargins(event.target.value);
     }
-    
+
     const exec = () => {
         const query = [];
         const arrayMargins = margins.split(',');
             .then(resObj => {
                 // It is necessary to create a new blob object with mime-type explicitly set for all browsers except Chrome, but it works for Chrome too.
                 const newBlob = new Blob([resObj.blob], { type: 'application/pdf' });
-                const bytes = new Uint8Array(newBlob);
+                //const bytes = new Uint8Array(newBlob);
                 //console.log(bytes);
                 //modifyPdf(bytes);
                 // MS Edge and IE don't allow using a blob object directly as link href, instead it is necessary to use msSaveOrOpenBlob