Help Version 19.0.2017.10.27
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#include "l_bitmap.h"
L_INT pEXT_CALLBACK YourFunction (nKey, uHotKeyModifiers, pUserData)
L_INT nKey; |
code for HotKey that was pressed |
L_UINT uHotKeyModifiers; |
modifier key |
L_VOID * pUserData; |
pointer to additional parameters |
Signals that the user has pressed the capture HotKey.
| Parameter | Description | |
| nKey | Key code for activation key. | |
| uHotKeyModifiers | Modifier keys used with nHotKey. Possible values are listed below and may be combined. | |
| MOD_ALT | Alt Key pressed. | |
| MOD_CONTROL | Control key pressed. | |
| MOD_SHIFT | Shift key pressed. | |
| 0 | No modifier key was pressed. | |
| pUserData | Void pointer that you can use to access a variable or structure containing data that your callback function needs. This gives you a way to receive data indirectly from the function that uses this callback function. (This is the same pointer that you pass in the pUserData parameter of the calling function.) | |
| Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function. | ||
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Use this callback function to receive notification that the capture HotKey has been pressed by the user. Set this callback using L_CaptureSetKeyPressCallback.
If you do not wish to process the pressed HotKey + Modifiers combination, return ERROR_USER_ABORT.
Required DLLs and Libraries
LTSCR For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |