Help Version 19.0.2017.10.27
References ▼
#include "ltwrappr.h"
L_BOOL LImageViewerCell::IsActionActive (nAction, uFlags);
L_INT nAction; |
action ID |
L_UINT uFlags; |
reserved for future use |
Returns a value that indicates whether the specific action has been added to the container (using the function LImageViewerCell::AddAction).
| Parameter | Description | |
| nAction | Value that represents the action for which to get the activation status. If nAction is equal to or greater than 100, it is a user-defined action. Otherwise, it can be one of the following predefined actions: | |
| Value | Meaning | |
| CONTAINER_ACTION_NONE | [0] No action | |
| CONTAINER_ACTION_WINDOWLEVEL | [1] Window leveling | |
| CONTAINER_ACTION_SCALE | [2] Scaling | |
| CONTAINER_ACTION_OFFSET | [3] Offset | |
| CONTAINER_ACTION_STACK | [4] Stacking | |
| CONTAINER_ACTION_MAG | [5] Magnifying glass | |
| CONTAINER_ACTION_ALPHA | [6] Alpha | |
| CONTAINER_ACTION_ANNOTATION_RULER | [7] Ruler annotation | |
| CONTAINER_ACTION_ANNOTATION_ANGLE | [8] Angle annotation | |
| CONTAINER_ACTION_ANNOTATION_TEXT | [9] Text annotation | |
| CONTAINER_ACTION_ANNOTATION_ARROW | [10] Arrow annotation | |
| CONTAINER_ACTION_ANNOTATION_RECTANGLE | [11] Rectangle annotation | |
| CONTAINER_ACTION_ANNOTATION_ELLIPSE | [12] Ellipse annotation | |
| CONTAINER_ACTION_ANNOTATION_HILITE | [13] Hilite annotation | |
| CONTAINER_ACTION_REGION_RECTANGLE | [14] Rectangular region | |
| CONTAINER_ACTION_REGION_ELLIPSE | [15] Elliptical region | |
| CONTAINER_ACTION_REGION_FREEHAND | [16] Free hand region | |
| CONTAINER_ACTION_REGION_POLYGON | [17] Polygon region | |
| CONTAINER_ACTION_REGION_MAGICWAND | [18] Magic wand (contiguous color) region | |
| CONTAINER_ACTION_REGION_COLORRANGE | [19] Color range region | |
| CONTAINER_ACTION_REGION_CIRCLE | [20] Circular region | |
| CONTAINER_ACTION_REGION_SQUARE | [21] Square region | |
| CONTAINER_ACTION_REGION_NUDGETOOL | [22] Nudge tool | |
| CONTAINER_ACTION_REGION_SHRINKTOOL | [23] Shrink tool | |
| uFlags | Reserved for future use. Pass 0. | |
TRUE |
The action is active. It has been assigned to a mouse button. |
FALSE |
The action is not active, or an error occurred. To get extended error information, call GetLastError. |
To add an action to the image viewer control, call LImageViewerCell::SetAction.
Required DLLs and Libraries
LTIVW For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
For an example, refer to LImageViewerCell::RemoveAction.