Send Keys to Virtual Machine(Personal Alpha) Running on same Computer.

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C#

.NET

i am using personal Alpha to run open-vms OS on windows 7,this works fine.
i want to send keys to this Application from C# but failed. till now i used sendkeys,postmessage and sendmessage for achieving this,this all works fine for other application such as Notepad,wordpad etc.

i used spy++ and captured this output by pressing a
<00001> 000407A6 WM_KEYDOWN nVirtKey:'A'cRepeat:1 ScanCode:1EfExtended:0fAltDown:0fRepeat:0fUp:0

<00001> 000407A6 WM_KEYUP nVirtKey:'A'cRepeat:1 ScanCode:1EfExtended:0fAltDown:0fRepeat:1fUp:1

for keydown
wParam:00000041
lParam:001E0001


for keyup
wParam:00000041
lParam:C01E0001




Please suggest me how can i do this,