<< Click to Display Table of Contents >> Navigation: ThinBASIC Modules > UI (User Interface) > DIALOGS > Callback Functions and Meta Functions > Callback_WParam / CBWPARAM |
Description
Meta function automatically created by thinBasic engine and valid only inside Callback Functions.
This meta function is valid only inside a Callback Function,
It returns the numeric value of the wParam parameter of the message sent by the caller.
Syntax
lParam = CBWPARAM
alias
lParam = Callback_WParam
Returns
Number.
Remarks
When Windows sends a message to the callback, the wParam value contains different values depending on the value returned by CBMSG.
In other words, CBWPARAM returns a message-dependent value.
Restrictions
This function is only valid inside a Callback Function.
See also
Examples