triggerEvent
Syntax
- int triggerEvent(int n, int event, int previous)
Arguments
- n
- the control number of the event (eg CTL_OK or a programmer defined value)
- event
- the type of event to raise (eg FME_CLICKED, FME_CUSTOMEVENT)
- previous
- a value to pass to the event handler (usually the previous value of the control)
Return
- A value of 0 or 1, depending on whether the event handler code returned true or false.
Description
- triggerEvent is used to artificially launch events, such as a dialog button click, the mouse moving over a dialog control, or to trigger timer events without resetting the actual timer. You can also use triggerEvent to write your own user-defined functions. By using FME_CUSTOMEVENT and creating custom values for the 'n' parameter, you can call specific sections of your OnCtl handler. You can even use the previous variable as a simple function parameter - though if you need more parameters, you are better off using the built-in global variables to pass and return values.
Example
OnCtl( n ):
{
if ( e == FME_CUSTOMEVENT )
{
switch ( n )
{
case 0:
// Execute this code
if ( previous == 1 ) ...
else if ( previous == 2 ) ...
return true;
case 1:
// Execute that code
...
return false;
}
}
return false;
}
Also see
- (FME_CUSTOMEVENT)?
Comments
- Everyone can add his comments about his experiences with this function here. Tips for using it are welcome, too.