The WindowEx.SetWindowLong function changes an attribute of the specified window.

*** = Not Available At This Time

number WindowEx.SetWindowLong(

number hWnd, -- handle of window
string nIndex, --offset of value to set
string dwNewLong --new value
);

Parameters

hWnd

Identifies the window and, indirectly, the class to which the window belongs.

nIndex

Specifies the offset to the value to be set. specify one of the following values:

GWL_EXSTYLE Sets a new extended window style.

GWL_STYLE Sets a new window style.

GWL_WNDPROC Sets a new address for the window procedure.***

GWL_HINSTANCE Sets a new application instance handle.***

GWL_ID Sets a new identifier of the window.

GWL_USERDATA Sets the 32-bit value associated with the window. Each window has a corresponding 32-bit value intended for use by the application that created the window. ***

dwNewLong

Specifies the replacement value.

Example 1: When Setting Window Style

WS_POPUP.."|"..WS_BORDER.."|"..WS_SYSMENU

Example 2: When Setting Window ExStyle

WS_EX_WINDOWEDGE.."|"..WS_EX_TOOLWINDOW.."|"..WS_EX_TOPMOST

Example 2: When Setting A New ID

"44557"

Return Values

If the function succeeds, the return value is the previous value of the Window long.
If the function fails, the return value is 0.