public void Free()
{
if (this.rgodf != null)
{
for (int i = 0; i < this.dwNumObjs; i++)
{
this.rgodf[i].Free();
}
Marshal.FreeCoTaskMem((IntPtr)this.rgodf);
this.rgodf = null;
this.dwNumObjs = 0;
}
}
public void Init(int dwNumObjs)
{
this.dwSize = Marshal.SizeOf(this);
this.dwObjSize = Marshal.SizeOf(typeof(DIOBJECTDATAFORMAT));
this.dwFlags = 0;
this.dwDataSize = 0;
this.rgodf = null;
this.dwNumObjs = 0;
Alloc(dwNumObjs);
}
public void Alloc(int dwNumObjs)
{
Free();
//
int cb = this.dwObjSize * dwNumObjs;
this.rgodf = (DIOBJECTDATAFORMAT*)Marshal.AllocCoTaskMem(cb);
this.dwNumObjs = dwNumObjs;
for (int i = 0; i < this.dwNumObjs; i++)
{
this.rgodf[i].Init();
}
}
