以下就是代码
代码如下:
using System.Runtime.InteropServices;
[DllImport("User32.dll", CharSet = CharSet.Auto)]
public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID);
protected void Button1_Click(object sender, EventArgs e)
{
Excel.ApplicationClass excel = new Microsoft.Office.Interop.Excel.ApplicationClass();
excel.Workbooks.Open("d:aaa.xls", Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
IntPtr t = new IntPtr(excel.Hwnd);
int k = 0;
GetWindowThreadProcessId(t, out k);
System.Diagnostics.Process p = System.Diagnostics.Process.GetProcessById(k);
p.Kill();
}
以上代码百分百成功的关闭excel.exe进程
我的做法是结合两者，先释放资源，然后关闭进程。
同时网上说避免使用GC.Collect 方法 (),因为会导致整个clr进行gc，影响你的性能.所以我也没有调用GC.Collect