How Can I Say Mplayer To play Video From Specific Time And Stop At Specific Time In C#

is solved here : Simple Mplayer Front End in C# by "Umair Amin"
add "-ss 10 -endpos 56" to args variable
In example change this line
args += " -vo direct3d, -ao dsound -wid ";
to
args += " -vo direct3d, -ao dsound -ss=10 --endpos=56 -wid ";