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SetDifxLogCallback (difxapi)
 
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Summary
The SetDifxLogCallback function registers a caller-supplied callback function that DIFxAPI calls to log information about events that occur during DIFxAPI operations.

C# Signature:

[DllImport("DIFxAPI.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern void SetDifxLogCallback(DIFLOGCALLBACK LogCallback, IntPtr CallbackContext);
public static extern Int32 SetDifxLogCallback(DIFXAPILOGCALLBACK LogCallback, IntPtr CallbackContext);

VB Signature:

Public Declare Auto Function SetDifxLogCallback Lib "DIFxAPI.dll" (ByVal LogCallback As DIFLOGCALLBACK, ByVal CallbackContext As IntPtr) As Int32
Public Declare Auto Function SetDifxLogCallback Lib "DIFxAPI.dll" (ByVal LogCallback As DIFXAPILOGCALLBACK, ByVal CallbackContext As IntPtr) As Int32

User-Defined Types:

DIFLOGCALLBACK

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

To use this function you just need difxapi.dll of appropriate architecture from Windows Server 2008/Vista WDK. The DriverStore will be created automatically for you.

Sample Code:

C#:

SetDifxLogCallback(new DIFLOGCALLBACK(DIFLogCallbackFunc), IntPtr.Zero)
SetDifxLogCallback(New DIFXAPILOGCALLBACK(AddressOf DIFxAPILogCallbackFunc), IntPtr.Zero)

VB:

SetDifxLogCallback(New DIFLOGCALLBACK(AddressOf DIFLogCallbackFunc), IntPtr.Zero)
SetDifxLogCallback(New DIFXAPILOGCALLBACK(AddressOf DIFxAPILogCallbackFunc), IntPtr.Zero)

Documentation

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