SpreadsheetGear 2023
Close Method (IWorkbook)
Example 


SpreadsheetGear Namespace > IWorkbook Interface : Close Method
Closes this workbook and releases associated resources.
Syntax
'Declaration
 
Sub Close() 
'Usage
 
Dim instance As IWorkbook
 
instance.Close()
void Close()
Example
class Program
{
    static void Main()
    {
        // Create a new empty workbook set.
        SpreadsheetGear.IWorkbookSet workbookSet = SpreadsheetGear.Factory.GetWorkbookSet();
        // Create a new empty workbook in the workbook set.
        SpreadsheetGear.IWorkbook workbook = workbookSet.Workbooks.Add();
        // Set Sheet1!A1 to "Hello World!".
        workbook.Worksheets["Sheet1"].Cells["A1"].Value = "Hello World!";
        // Save to memory as an Excel file.
        byte[] buffer = workbook.SaveToMemory(SpreadsheetGear.FileFormat.Excel8);
        // Close the workbook, removing it from the workbook set.
        workbook.Close();
        // Open the saved workbook from memory.
        workbook = workbookSet.Workbooks.OpenFromMemory(buffer);
        // Output Sheet1!A1.
        System.Console.WriteLine(workbook.Worksheets["Sheet1"].Cells["A1"].Value.ToString());
    }
}
Class Program
    Shared Sub Main()
        ' Create a new empty workbook set.
        Dim workbookSet As SpreadsheetGear.IWorkbookSet = SpreadsheetGear.Factory.GetWorkbookSet()
        ' Create a new empty workbook in the workbook set.
        Dim workbook As SpreadsheetGear.IWorkbook = workbookSet.Workbooks.Add()
        ' Set Sheet1!A1 to "Hello World!".
        workbook.Worksheets("Sheet1").Cells("A1").Value = "Hello World!"
        ' Save to memory as an Excel file.
        Dim buffer As Byte() = workbook.SaveToMemory(SpreadsheetGear.FileFormat.Excel8)
        ' Close the workbook, removing it from the workbook set.
        workbook.Close()
        ' Open the saved workbook from memory.
        workbook = workbookSet.Workbooks.OpenFromMemory(buffer)
        ' Output Sheet1!A1.
        System.Console.WriteLine(workbook.Worksheets("Sheet1").Cells("A1").Value.ToString())
    End Sub 'Main
End Class 'Program
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

IWorkbook Interface
IWorkbook Members