Display a pdf file in my win_form_application

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C#3.0

C#

I want to open show a pdf file in my win_form_app ;I've added the Adobe pdf reader tool( AcroPDF.dll) from Com Components to Toolbox .just dragged this control to my form . but when I run the application
it runs the acrobat program separately ;then it shows in my axAcroPDF1 control .why?
why it execute the acrobat reader program separately ??how can I prevent this action ?

:rose:

private void button2_Click(object sender, EventArgs e)
       {

axAcroPDF1.src = @"D:\a.pdf";

}