pls help me..
how do i open a ppt or pps thro vb in such a way that the file name is given by the user, that is the file name is not specified in the code, it will be accepted in a textbox. how do i write the code for this?
also, how do i adjust the slide transition timing in the vb coding?
pls help me out for the following,
1. how to open ppt or pps where filename is accepted thro a text box.
2. how to adjust the slide transition timing of the ppt
3. the vb program will be getting an input thro serial port. based on the input, the slide transition has to reduce. and system volume has to be increased or decreased. how to do this?

i figured everything except one thing... to modify the system volume....
how do i do that?