标题dev_open_window

原形：dev_open_window( : : Row, Column, Width, Height, Background : WindowHandle)
功能：显示一个图形窗口
参数：
Row:左上角索引行，一般默认0
Column:左上角索引列，一般默认0
Width：窗口宽度
Height：窗口高度
Background ：窗口背景颜色
WindowHandle：窗口句柄

代码：

dev_clear_window ()

read_image(Image, 'D:\\1.PNG')
dev_display (Image)
step:=50
row :=0
colum:=0
dev_open_window (row, colum, 512, 512, 'black', WindowHandle)
row:=row+step
colum:=colum+step
dev_display (Image)

dev_open_window (row, colum, 512, 512, 'black', WindowHandle)
row:=row+step
colum:=colum+step
dev_display (Image)

dev_open_window (row, colum, 512, 512, 'black', WindowHandle)
row:=row+step
colum:=colum+step
dev_display (Image)

dev_open_window (row, colum, 512, 512, 'black', WindowHandle)
row:=row+step
colum:=colum+step
dev_display (Image)

dev_open_window (row, colum, 512, 512, 'black', WindowHandle)
row:=row+step
colum:=colum+step
dev_display (Image)

运行结果：