C
#define SetState(pObj, stateBits) ((OBJ_HEADER *)pObj)->state |= (stateBits)
Overview
This macro sets the state bits of an object. Object must be redrawn to display the changes. It is possible to set several state bits with this macro.
Input Parameters
|
Input Parameters |
Description |
|
pObj |
Pointer to the object of interest. |
|
stateBits |
Defines which state bits are to be set. Please refer to specific objects for object state bits definition for details |
Returns
none
Preconditions
none
Side Effects
none
Example
void BtnMsgDefault(WORD msg, BUTTON* pB){ switch(msg){ case BTN_MSG_PRESSED: // set pressed and redraw SetState(pB, BTN_PRESSED|BTN_DRAW); break; case BTN_MSG_RELEASED: ClrState(pB, BTN_PRESSED); // reset pressed SetState(pB, BTN_DRAW); // redraw break; } }