L_DispContainerSetMouseCallBack
#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerSetMouseCallBack(hCon, pfnCallBack, pUserData)
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HDISPCONTAINER hCon; |
/* handle to the container */ |
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DISPCONTAINERMOUSECALLBACK pfnCallBack; |
/* callback function */ |
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L_VOID * pUserData; |
/* pointer to more parameters for the callback */ |
Sets a callback function that enables the user to handle mouse events. This function is available only in the Medical Imaging Suite toolkit.
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Parameter |
Description |
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hCon |
Handle to the Container. |
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pfnCallBack |
Callback function that is called every time the user makes an action with the mouse. The callback function must adhere to the function prototype described in DISPCONTAINERMOUSECALLBACK. |
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pUserData |
Void pointer that you can use to pass one or more additional parameters that the callback function needs. To use this feature, assign a value to a variable or create a structure that contains as many fields as you need. Then, in this parameter, pass the address of the variable or structure, casting it to L_VOID *. The callback function, which receives the address in its own pUserData parameter, can cast it to a pointer of the appropriate data type to access your variable or structure. If the additional parameters are not needed, you can pass NULL in this parameter. |
Returns
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SUCCESS |
The function was successful. |
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< 1 |
An error occurred. Refer to Return Codes. |
Comments
To get the current callback function used to handle mouse events, call L_DispContainerGetMouseCallBack.
The following messages indicate there has been a mouse event:
WM_MOUSEMOVE.
WM_LBUTTONDOWN.
WM_RBUTTONDOWN.
WM_MBUTTONDOWN.
WM_LBUTTONUP.
WM_RBUTTONUP.
WM_MBUTTONUP
WM_MBUTTONDBLCLK.
WM_RBUTTONDBLCLK
WM_LBUTTONDBLCLK
Required DLLs and Libraries
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LTIVW |
See Also
Example
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