References ▼
typedef struct tagDISPREGIONPROPS{L_BOOL bCreateFromCenter;L_UINT uOperation;} DISPREGIONPROPS, * pDISPREGIONPROPS;
The DISPREGIONPROPS structure contains options for controlling the region of interest feature.
| Member | Description | |
| bCreateFromCenter | Flag that indicates whether to create the region from the center as the user drags the mouse. Possible values are: | |
| Value | Meaning | |
| TRUE | Create from center. | |
| FALSE | Create from edge. This is the default value. | |
| uOperation | The action to apply on the existing bitmap region, if one is defined. For descriptions of the possible values, refer to Creating a Bitmap Region Inside the Image Viewer. | |
This structure contains information that controls the following actions:
CONTAINER_ACTION_REGION_RECTANGLE
CONTAINER_ACTION_REGION_ELLIPSE
CONTAINER_ACTION_REGION_CIRCLE
CONTAINER_ACTION_REGION_SQUARE