Now come into contact with a project to use vb.net to control laser laser code, you need to call the third party software golden oranges MarkEzd. DLL files, how to get the inside function algorithm, which bosses have done similar project before, to help solve, thank you very much!!!!!! Best to write the detailed point, the couple first contact unmanaged DLL,

CodePudding user response:

Very simple, as it provides the function prototype into the same type of VB.NET data types, the value type In or out, and transfer them to determine the byval or byref, written In the standard VB.NET external API declaration form is ok, give you a chestnut ao:

 Structure MEMORY_BASIC_INFORMATION '28 bytes 
Dim BaseAddress As Integer 
Dim AllocationBase As Integer 
Dim AllocationProtect As Integer 
Dim RegionSize As Integer 
Dim State As Integer 
Dim Protect As Integer 
Dim lType As Integer 
End Structure 

Private Declare Function VirtualQuery Lib "kernel32" (ByVal lpAddress As IntPtr, ByRef lpBuffer As a MEMORY_BASIC_INFORMATION, ByVal dwLength As UInteger) As an Integer 
Call: 
Ret=VirtualQuery (pAddr, mi, miLen) 

CodePudding user response:

This I have written,,, ok

CodePudding user response:

refer to the second floor pig sky response:

this I wrote,,, ok

Could you tell me how to write big this????

CodePudding user response:

Before long, his instructions clear oh ~!