Written in BCB an ocx control, everything is normal, under winxp under Windows 7 tip: API Calling order errors, eliminate the effects of IE because not in the same error IE environment, and you have encountered a similar situation, some gives tips,...

CodePudding user response:

Suspected UAC.

CodePudding user response:

Risk is not, I turn off the UAC, the existence of the problem is still the same!!!!!

CodePudding user response:

To which the API or would you use this OCX COM object, to realize what function?

CodePudding user response:

If the win32 OCX files in Windows 7 or Windows 8 x64 under... OCX files must be put in the c: \ Windows \ syswow64... Then execute command prompt characters as the system administrator (CMD)... After the input "CD \ Windows \ syswow64"... Then enter again "regsvr32 XXX. Ocx" should be able to use after registration... XXX. Ocx for ocx files...

CodePudding user response:

Not a 64 - bit system, ocx function, dahua and hai kang SDK encapsulation of hard disk video recorder playback,

CodePudding user response:

Ie the version suspected secondary development problem then

CodePudding user response:

Do you have to read and write registry operation?