This example show you how to convert a specified icon to a bitmap. Easy way follow me. Create a new project in c++builder enviroment, put an Image, a Button and an OpenDialog control on the Form1. Rename the button1 ConvertIcon2Bitmap, then add the following codes as its OnClick event handler. void __fastcall TForm1::ConvertIcon2BitmapClick(TObject *Sender) {   OpenDialog1->DefaultExt =