How to call a dll-function which start a thread?

[huntor001]

...
#ifdef __cplusplus
extern "C" {
#endif

#pragma pack(push,1)
...
typedef struct tag_EXPORT_INFO_111
{
int flag ;//flag
float total;
float num1;
float num2;
float num3;
float numall;
//float num9;
}EXPORT_INFO_111;

...
#pragma pack(pop)
...

DllExport void WINAPI Function1(int *nNum, void *pData); //pData-->EXPORT_INFO_111[x]
...