摘要:
一、绘制透明背景的位图,windows提供了一个API函数 TransparentBlt The TransparentBlt function performs a bit-block transfer of the color data corresponding to a rectangle 阅读全文
摘要:
SetBkColor The SetBkColor function sets the current background color to the specified color value, or to the nearest physical color if the device cann 阅读全文