This function returns the window handle of the top-level Microsoft Excel window.
Contains the window handle (xltypeInt) in the val.w field.
Excel4(xlGetHwnd, LPXLOPER pxRes, 0);
This function has no arguments.
This function is useful for writing Windows API code.
See the code for the fShowDialog function in GENERIC.C in the FRAMEWRK directory.
xlGetInst