求教vb6调用vc dll库函数.
VC DLL的函数声明:
NNCAM_API(HRESULT) Nncam_AwbOnePush(HNncam h, PINNCAM_TEMPTINT_CALLBACK fnTTProc, void* pTTCtx);
VC DEMO调用函数代码:
Nncam_AwbOnePush(m_hcam, NULL, NULL);
VB6 函数声明:
Public Declare Function Nncam_AwbOnePush Lib "nncam.dll" (ByVal p_cam As Long, ByVal fnTTProc As Long, ByVal pTTCtx As Long)
VB6 DEMO调用函数代码:
hr = Nncam_AwbOnePush(f_HN_cam, ByVal 0&, ByVal 0&)
VC DEMO调用正常,VB6 DEMO调用程序崩溃.求VB6写法.