PB可以调用的BMP转JPG的动态库 PB 函数声明 function Boolean Bmp2Jpgzzp(ref string bmp_name,ref string jpg_name) library 'ImageUtils.dll' alias for 'Bmp2Jpg' function Boolean Jpg2Bmpzzp(ref string bmp_name,ref string jpg_name) library 'ImageUtils.dll' alias for