C
#define SldIncPos(pSld) \ SldSetPos \ ( \ pSld, \ (((DWORD) pSld->pos + (DWORD) ((SLIDER*)pSld)->page) <= (DWORD) ((SLIDER*)pSld)->range) ? \ (((SLIDER*)pSld)->pos + ((SLIDER*)pSld)->page) : ((SLIDER*)pSld)->range \ )
Overview
This macro increment the slider position by the delta change (page) value set. Object must be redrawn after this function is called to reflect the changes to the object.
Input Parameters
|
Input Parameters |
Description |
|
pSld |
Pointer to the object. |
Returns
none
Preconditions
none
Side Effects
none
Example
void ControlSpeed(SLIDER* pSld, int setSpeed, int curSpeed) { SldSetPage(pSld, 1); // set page size to 1 if (setSpeed < curSpeed) { while(SldGetPos(pSld) < SetSpeed) SldIncPos(pSld); // increment by 1 } else if (setSpeed > curSpeed) { while(SldGetPos(pSld) > SetSpeed) SldDecPos(pSld); // decrement by 1 } }