shellscalingapi.h header
This header is used by multiple technologies. For more information, see:
shellscalingapi.h contains the following programming interfaces:
Functions
| GetDpiForMonitor Queries the dots per inch (dpi) of a display. |
| GetDpiForShellUIComponent Retrieves the dots per inch (dpi) occupied by a SHELL_UI_COMPONENT based on the current scale factor and PROCESS_DPI_AWARENESS. |
| GetProcessDpiAwareness Retrieves the dots per inch (dpi) awareness of the specified process. |
| GetScaleFactorForDevice Gets the preferred scale factor for a display device. |
| GetScaleFactorForMonitor Gets the scale factor of a specific monitor. This function replaces GetScaleFactorForDevice. |
| RegisterScaleChangeEvent Registers for an event that is triggered when the scale has possibly changed. This function replaces RegisterScaleChangeNotifications. |
| RegisterScaleChangeNotifications Registers a window to receive callbacks when scaling information changes. |
| RevokeScaleChangeNotifications Revokes the registration of a window, preventing it from receiving callbacks when scaling information changes. |
| SetProcessDpiAwareness Sets the process-default DPI awareness level. This is equivalent to calling SetProcessDpiAwarenessContext with the corresponding DPI_AWARENESS_CONTEXT value. |
| UnregisterScaleChangeEvent Unregisters for the scale change event registered through RegisterScaleChangeEvent. This function replaces RevokeScaleChangeNotifications. |
Enumerations
| DISPLAY_DEVICE_TYPE Indicates whether the device is a primary or immersive type of display. |
| MONITOR_DPI_TYPE Identifies the dots per inch (dpi) setting for a monitor. |
| PROCESS_DPI_AWARENESS Identifies dots per inch (dpi) awareness values. DPI awareness indicates how much scaling work an application performs for DPI versus how much is done by the system. |
| SCALE_CHANGE_FLAGS Flags that are used to indicate the scaling change that occurred. |
| SHELL_UI_COMPONENT Identifies the type of UI component that is needed in the shell. |