I have developed a VB.NET application and I am using Arvo Software. In that application, i've two textbox, one for writing bangla font and another for writing english font. When i am switch from one to another, i need to change the keyboard mode manually (by pressing F12 key). But i want to do that programmitically by VB.NET code, that means when the focus go to the first textbox (for bangla writing), keyboard mode of Avro is set for Bangla and vice-versa for second textbox (for english writing). how can i do that? pls help me anyone as soon as possible.