图像的半透明叠加（好）


......................\Demo.exe
......................\Demo.frm
......................\Demo.frx
......................\Demo.vbp
......................\Demo.vbw
......................\documentation.txt

......................\FoxCBmp.dll
......................\MSSCCPRJ.SCC
......................\readme.txt


......................\VB-Only.bas
......................\VB-Only.exe
......................\VB-Only.frm
......................\VB-Only.frx
......................\VB-Only.vbp
......................\VB-Only.vbw