VB will color bitmap into a grayscale (black and white image), with a program source.

说明：VB将彩色位图转化为灰度图（黑白图像），附带程序源码。

youdao

VB will color bitmap into a grayscale (black and white image), with a program source.

说明：VB将彩色位图转化为灰度图（黑白图像），附带程序源码。

youdao