The function SetContrastIntensity sets the backlight contrast-value. Typically this is only used for passive-displays.
int SetContrastIntensity( int percent, int permanent);
Parameters
percent
Value between 0 and 100. This specifies the contrast-value.
permanent
1: Save settings to registry. 0: Don't save settings.
Return Values
Returns contrast value stored in registry. If you set permanent=1, the previous value is returned.
Remarks
If permanent is set, settings will be saved to:
[HKEY_CURRENT_USER\ControlPanel\Backlight]
Contrast.
Requirements
OS Versions: Windows CE 4.2 and later.
Header: drvlib_app.h
Link Library: drvlib_app.lib