合并两个WORD文档，并且修改Word中标签的内容

因工作需要，需要对两个word 文档进行合并
Word.Application objApp=new Word.ApplicationClass();

object confirmConversion = false;

object link = false;

object attachment = false;

object objMissing = Missing.Value;

object isVisible = true;

object objFalse = false;

try

finally

private void ReplaceBookMark(Document doc, object bookmarkName, string text, int CharLength)

private string GetSpaceString(int StringLength)

{

StringBuilder sb = new StringBuilder();

for(int i=0;i<StringLength;i++)

{

sb.Append(" ");

}

return sb.ToString();

}