FunctionIsBlank(ByRef rngCheck As Range) As Boolean IsBlank = (CStr(rngCheck.Cells(1).Value2) =vbNullString) End Function 还有一个更有效的方法是调用工作表函数COUNTBLANK函数: Sub IfIsBlank() Debug.PrintIfBlank(Sheet1.Range(“B3”)) ‘结果为False Debug.PrintIfBlank(Sheet1.Range(“C3”)) ...
FunctionIsBlank(ByRef rngCheck As Range) As Boolean IsBlank = (CStr(rngCheck.Cells(1).Value2) =vbNullString) End Function 还有一个更有效的方法是调用工作表函数COUNTBLANK函数: Sub IfIsBlank() Debug.PrintIfBlank(Sheet1.Range(“B3”)) ‘结果为False Debug.PrintIfBlank(Sheet1.Range(“C3”)) ...
简单check了一下,EasyExcel是开源的,主要是对高并发的读写场景做得很好。GcExcel是商业软件,API很全。 那可以分别使用这两个组件验证一下,我们主要想解决的问题有两个: 大量数据和样式的Excel文件能一次性打开 可以有办法保留样式或者操复制样式 对于问题1,EasyExcel和GcExcel都可以做的很好,没有出现OOM的问题了。...
returnnewRow;}publicvoidflushRows(int remaining)throws IOException{//flush每一个rowwhile(_rows.size()>remaining){flushOneRow();}if(remaining==0){allFlushed=true;}}privatevoidflushOneRow()throws IOException{Integer firstRowNum=_rows.firstKey();if(firstRowNum!=null){int rowIndex=firstRowNum.intVa...
objExcelType=null; GC.Collect();returniVer; }//////根据Excel版本号获得Excel的版本名称。//////<returns></returns>publicstaticString GetExcelVerStr() { String version;doubleexcelver; excelver= CheckExcelVer();//ExistsExcelRegedit();version ="Office";if(excelver ==0) { MessageBox.Show("...
(checkProtection);awaitcontext.sync(); }); }// This function is an event handler that returns the protection state of a worksheet// and information about the changed worksheet.asyncfunctioncheckProtection(event){awaitExcel.run(async(context) => {// Retrieve the protection, worksheet ID, and ...
I'm using below login in c++ to check blank page. Any problem or performance issue with this logic..? bool ExcelHelper::IsBlankSheet (const Excel::_WorksheetPtr& pWorksheet) { bool bIsBlankSheet = false; if (pWorksheet != NULL) { Excel::RangePtr UsedRangePtr = pWorksheet->UsedRange...
{{ message }} jsdnhk / concise-excel-vba Public forked from bluetata/concise-excel-vba Notifications You must be signed in to change notification settings Fork 0 Star 1 Excel-vba 開發使用手冊 jsdnhk.github.io/concise-excel-vba/ License...
(short)5)); COleSafeArray saRet; DWORD numElements[2]; numElements[0] =5; numElements[1] =5;longindex[2];// Create a BSTR or double safe array.if(m_bFillWithStrings.GetCheck()) saRet.Create(VT_BSTR,2,numElements);elsesaRet.Create(VT_R8,2,numElements);// Fill ...
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