close application problem

[naser.easybase]

i run anthor application with shellexecute

var
mypenhwnd : hwnd
begin
mypenhwnd :=
ShellExecute( ImgEditForm.Handle, // hwnd
nil, // lpOperation
PChar(PenPathSigner) , // lpFile
nil, // lpParameters
nil, // lpDirectory
SW_SHOW);
end ;

how I Can Close It ? plz help
thanks lot

[Johnny_Bit]

send message to it man! you've got handle, so where's the problem?