int = SetClassLong(hwnd, offset
, val
)
Replaces the specified 32 or 64 bit value at the specified offset into the extra
class memory for the window.
Parameters
hwnd : PyHANDLE
The handle to the window.offset : int
Specifies the zero-based byte offset of the value to change. Valid values are in the range
zero through the number of bytes of extra window memory, minus four (for example, if 12 or more bytes of extra
memory were specified, a value of 8 would be an index to the third long integer), or one of the GWL_ constants.val : int
Specifies the long value to place in the window's reserved memory.Comments
This function calls the SetClassLongPtr Api function