vb.net - hide / show program window -

i'm using visual basic 2008

for example have running notepad.exe, can hide notepad window, , if need show again?

thanks.

• call process.getprocessesbyname() passing "notepad".
• then read mainwindowhandle returned process.
• p/invoke showwindow() passing sw_hide or sw_show hide/show window.

the p/invoke signature is:

<dllimport("user32.dll", setlasterror:=true, charset:=charset.auto)> _ private shared function showwindow(byval hwnd intptr, byval ncmdshow integer) boolean end function 

the showwindow() topic lists numeric values sw_* flags.

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thanks @alex k suggesting comment use of showwindowasync() rather showwindow().

<dllimport("user32.dll", setlasterror:=true, charset:=charset.auto)> _ private shared function showwindowasync(byval hwnd intptr, byval ncmdshow integer) boolean end function 

from documentation:

this function posts show-window event message queue of given window. application can use function avoid becoming nonresponsive while waiting nonresponsive application finish processing show-window event.