引用dsoFramer.ocx(並放入system32)，先管理員執行cmd註冊regsvr32 dsoframer.ocx(64位放入SysWow64)


using Words = Microsoft.Office.Interop.Word;

private void OperationWord_Load(object sender, EventArgs e)
{
    if (File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\" + "2.docx"))
    {
                  
this.axFramerControl1.Open(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\" + "2.docx");               
    }
}
       
private void Button1_Click(object sender, EventArgs e)
{
    var temp = this.axFramerControl1.ActiveDocument as Words.Document;
    Words.Application app = temp.Application;
    if(app != null )
    {
        Words.Selection selection = app.Selection;
        selection.InsertAfter(textBox1.Text);      
    }
}