1void SetBacklight(int value) {
2
3 RegistryKey HKEY = Registry.CurrentUser.OpenSubKey("ControlPanel\\Backlight", true);
4
5 if (HKEY != null) {
6
7 HKEY.SetValue("ACBrightNess", value, RegistryValueKind.DWord); //AC电源 "BrightNess" 为电池供电状态下
8
9 IntPtr hBackLightEvent = OpenNETCF.Threading.NativeMethods.CreateEvent(IntPtr.Zero, false, true, "BackLightChangeEvent");
10
11 if (hBackLightEvent != IntPtr.Zero) {
12
13 OpenNETCF.Threading.NativeMethods.EventModify hBackLightEvent,OpenNETCF.Threading.NativeMethods.EVENT.SET);
14
15 OpenNETCF.Threading.NativeMethods.CloseHandle(hBackLightEvent);
16
17 }
18
19 }
20
21}
22
23
2
3 RegistryKey HKEY = Registry.CurrentUser.OpenSubKey("ControlPanel\\Backlight", true);
4
5 if (HKEY != null) {
6
7 HKEY.SetValue("ACBrightNess", value, RegistryValueKind.DWord); //AC电源 "BrightNess" 为电池供电状态下
8
9 IntPtr hBackLightEvent = OpenNETCF.Threading.NativeMethods.CreateEvent(IntPtr.Zero, false, true, "BackLightChangeEvent");
10
11 if (hBackLightEvent != IntPtr.Zero) {
12
13 OpenNETCF.Threading.NativeMethods.EventModify hBackLightEvent,OpenNETCF.Threading.NativeMethods.EVENT.SET);
14
15 OpenNETCF.Threading.NativeMethods.CloseHandle(hBackLightEvent);
16
17 }
18
19 }
20
21}
22
23
没有smartphone设备,所以只知道在PPC上没有问题,值的范围是 0~10,
另:使用了OPENNETCF 中的两个文件NativeMethods.cs ,Registry.cs