Dim pList() As Process
Dim processName As String = "excel"
pList = Process.GetProcessesByName(processName)
For Each proc As System.Diagnostics.Process In pList
proc.Kill()
Next proc
Application.Exit()
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim mExcelApplication As Object
Dim mWorkbook As Object
Dim mWorkSheet As Object
mExcelApplication = CreateObject("Excel.Application")
mExcelApplication.Visible = True
mWorkbook = mExcelApplication.Workbooks.Add()
mWorkSheet = mWorkbook.Sheets.Add
mWorkSheet.Cells(1, 1).Value = "It is me"
Dim mValue As Object
mValue = mWorkSheet.Cells(1, 1).Value
Console.WriteLine(mValue)