Private Declare Function StretchBlt Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal nSrcWidth As Long, ByVal nSrcHeight As Long, ByVal dwRop As Long) As Long

 

Call StretchBlt(hdc куда рисовать, 0, 0, Новая Ширина, Новая Высота, hdc картинки, 0, 0, Нормальная Ширина, Нормальная Высота, vbSrcCopy)