vb程序屏幕飘雪 '源代码PrivateDeclareFunctionGetDCLib"user32"(ByValhwndAsLong)AsLong'GetDC()功能是获取指定窗体的设备场景的句柄(hDC),用参数0则可以获取整个屏幕的场景句柄PrivateDeclareFunctionGetPixelLib"gd