Subclassing and Hooking with Visual Basic

Name

GetClassInfoEx

Synopsis

Returns information about the specified class:

Public Declare Function GetClassInfoEx Lib "user32" Alias "GetClassInfoExA" _
		(ByVal hInstance As Long, ByVal lpClassName As String, _
		lpWndClass As WNDCLASSEX) As Long

Parameters

hInstance

Handle to the application instance that created the class. This argument is NULL if the system created the class (system-wide class).

lpClassName

The name or class atom of a registered class.

lpWndClass

Pointer to a WNDCLASSEX structure, which is passed back to the calling function.

Return Value

Returns a nonzero value if it successfully returns a window class structure. Returns 0 if the function fails.