private void button1_Click(object sender, EventArgs e)
{
if (!isRunning)
{
isRunning = true;
info = new YamangDll.MESHOBJECT();
infoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(info));
Marshal.StructureToPtr(info, infoPtr, false);
info = (YamangDll.MESHOBJECT)Marshal.PtrToStructure(infoPtr, typeof(YamangDll.MESHOBJECT));
string filename = "tiger.x";
YamangDll.InitGeometry(this.Window.Handle, filename, ref infoPtr);
YamangDll.SetCameraView(0.0f, 1.0f, -10.0f);
Render();
}
}