/// <summary>
/// 装载动态链接库。
/// </summary>
/// <param name="dllName">装载动态链接库的文件名称。</param>
public virtual void Load(string dllName)
{
if (IsLoaded)
{
throw new InvalidOperationException("Libaray already loaded.");
}
IntPtr dllHandle = WIN32_API.LoadLibrary(dllName);
if (dllHandle == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
try
{
GetAllProcAddress(dllHandle);
}
catch (Exception)
{
WIN32_API.FreeLibrary(dllHandle);
throw;
}
m_dllName = dllName;
m_dllHandle = dllHandle;
}
/// <summary>
/// 释放由DllLoader占用的资源。
/// </summary>
/// <param name="disposing">资源释放标志，为True释放所有资源；为False则仅释放非受控资源。</param>
protected virtual void Dispose(bool disposing)
{
if (m_dllHandle != IntPtr.Zero)
{
WIN32_API.FreeLibrary(m_dllHandle);
m_dllHandle = IntPtr.Zero;
}
}