DirectDraw can not be disabled under win7

DirectDraw is the basic part of DirectX video input and output. DirectDraw can be used to easily generate efficient video processing programs. As long as the user's hardware supports DirectDraw, you can ensure your code can be guaranteed. Process them. So if the Windows7 DirectDraw can not be disabled, how to solve it?

familiar with Windows7 and WindowsXP users should be aware that (by default), DirectDraw is enabled status under WindowsXP and Windows7. The difference is that under Windows XP users can disable it, and under Windows 7, it can not be disabled, which means that Windows 7 users can't solve the blackening problem of the screenshot by "disabling DirectDraw". By default, the Windows7 DirectDraw can not be disabled, but we can be disabled by other alternative methods: a method

: Modify the registry

under Windows7, run Registry Editor after, a targeting sequence HKEY_LOCAL_MacHINESYSTEMCurrentControlSetControlGraphicsDriversDCI, then locate and double "the Timeout" in the right window, and then, in the pop-up window will default value "7" was changed to "0".

modification, save Set to exit, and then take effect the next time you start.

Method 2: install special driver Windwos7

there may be some users will find Windows7, modify the registry and restart the computer, DirectDraw under Windows7 still enabled, that is, by modifying The registry method failed to achieve the purpose of disabling DirectDraw.

such a situation, due to Windows7 WindowsXP differ in terms of graphics drivers, some graphics card users, you need to download and install Windows7 under special driver, some of the public version of the driver, as well as some drivers under WindowsXP, Under Windwos7, it is impossible to modify the state of DirectDraw.

DirectX and other components as long as possible, the highest level of DirectDraw will use the hardware to perform a specific function, and let the hardware does not support those features can also be implemented in software emulation mode.