GBM_SETSTATE
Appearance
This message sets the state of a two-state graphic button.
Syntax
param1
[[USHORT]] [[usStateCode]] /* State code. */
param2
[[USHORT]] [[usRePaint]] /* Indicates when change of state will occur. */
Parameters
- usStateCode (USHORT)
- State code.
- GB_UP: Sets the graphic button to the Up state.
- GB_DOWN: Sets the graphic button to the Down state.
- GB_TOGGLE: Toggles the graphic buttons state from Up to Down or from Down to Up.
- usRePaint (USHORT)
- Indicates when change of state will occur.
- TRUE: The change in state is reflected immediately onscreen.
- FALSE: The change in state is not reflected immediately onscreen. The graphic button displays the change the next time it receives a BN_PAINT message.
Return Value
- rc (ULONG)
- Return codes indicating success or failure.
- TRUE: Success.
- FALSE: Failure or not recognized.