问题描述
我写的代码在C#上的Windows7和VS2010,使用.net 3.5 32位,它是乳宁没有任何问题,现在我把它转换为使用.NET 4.0的64位,但我得到了一个错误,当我的代码调用CloseHandle的
I have code written in C# on a Windows7 and VS2010, 32 bit using .Net 3.5 and it is runing without any problem, now I converted it to 64 bit using .Net 4.0 but I got an error when my code call CloseHandle.
错误 - CloseHandle的结果
System.Runtime.InteropServices.SEHException(0X80004005):外部组件发生异常
ERROR - CloseHandle
System.Runtime.InteropServices.SEHException (0x80004005): External component has thrown an exception.
unsafe
{
fixed (byte* p = readBuffer)
{
IntPtr intPtr = (IntPtr)p;
this.ReadFile(ref sourceFile, (ulong)buffer_size, intPtr, ref nNumBytesRead);
if (intPtr != IntPtr.Zero)
{
try
{
FunctionSqudf.CloseHandle(intPtr);
}
catch (Exception ex)
{
Hardware.LogHardware.Error("CloseHandle", ex);
}
}
}
}
[SecuritySafeCritical]
[DllImport("kernel32", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool CloseHandle(IntPtr hObject);
任何帮助表示赞赏。
Any help is appreciated.
推荐答案
您不能使用 CloseHandle的
的指针用户内存。您需要,以关闭它分配一个 HANDLE
。你有什么期望 CloseHandle的
关闭?
You can't use CloseHandle
with a pointer to user memory. You need to allocate a HANDLE
in order to close it. What do you expect CloseHandle
to close?
这篇关于System.Runtime.InteropServices.SEHException(0X80004005):外部组件发生异常的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!