= EVENT_SHOW_BTN_CONTENT =
For buttons defined with the flag FORM_OUTLINE_1LINE_WND .. FORM_OUTLINE_15LINE_WND a hole is present in the display of the button to allow custom text to be displayed within the button. EVENT_SHOW_BTN_CONTENT is a macro to simplify the call to the form to show the text to appear in the button. The FORM_SHOW_EVENT flag must also be specified when the form button is created.


== Parameters == 

 * None

== Return Value ==

This function does not return any value

== Remarks ==

EVENT_SHOW_BTN_CONTENT is a macro to simplify the operation of form outline button drawing. The preprocessor will replace this with a call to the ShowButtonContent function of the button that triggered the event.
{{{
#define EVENT_SHOW_BTN_CONTENT(line1, morelines...) pItem->ShowButtonContent(line1, ##morelines)
}}}


== Examples ==

{{{
string productId = "";

EVENT(Product)
{
   if(EVENT_FLAG_SHOW) // Draw Button Contents
   {
      EVENT_SHOW_BTN_CONTENT(productId);
   }
   else
   {
      IN_EVENT_HIDE_FORM;

      InputProductID();
	
      IN_EVENT_SHOW_FORM;
   }
   return 0;
}

EVENT(Customer) {

}}}

== See Also ==

 * [wiki:EVENT_FLAG_SHOW EVENT_FLAG_SHOW]
 * [wiki:FORM_INIT FORM_INIT]
 * [wiki:FORM_SHOW FORM_SHOW]
 * [wiki:FORM_RUN FORM_RUN]