用VC6.0开发的一个根据位图的颜色区分来实现对话框窗口的不规则形态。可以是任意形状。根据位图颜色来设置区域，实现背景透明，保留指定区域。-VC6.0 developed with a color-coded according to bitmap dialog window to achieve an irregular shape. Can be any shape. According to the bitmap color to set the region to achieve bac