Editing trackPopupMenu - FilterMeisterWiki

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= trackPopupMenu =

== Syntax ==
{{int fm_trackPopupMenu (int hMenu, int type, int x, int y, int style)}}

== Arguments ==
:'''hMenu'''
::Handle to the menu to be displayed. 
:'''type'''
::If set to 1, the popup menu is displayed at the cursor coordinates. Otherwise it is displayed at the x,y coordinates.
:'''x, y'''
::Coordinates of the popup menu in DBU. Supply only if type != 1.
:'''style'''
::A few alignment and other options, e.g. TPM_HORIZONTAL, TPM_VERTICAL, TPM_CENTERALIGN, TPM_LEFTALIGN, TPM_RIGHTALIGN, TPM_BOTTOMALIGN, TPM_TOPALIGN, TPM_VCENTERALIGN, TPM_NONOTIFY, TPM_RETURNCMD, TPM_LEFTBUTTON, TPM_RIGHTBUTTON. Set it to zero for default behaviour.

== Return ==
Returns the number of the menu item (uItem) that was selected by the user (but only if you use 0 or TPM_RETURNCMD or the style parameter). If no menu item was selected, zero is returned.

== Description ==
Queries a menu for the last selected item by the user.

== Example ==
<code>
%ffp

ctl[0]: PUSHBUTTON, "Click Me!"

OnCtl(n): {

if (n==0 && e == FME_CLICKED){
    int menu=0;

menu = createPopupMenu();

insertMenuItem(menu, 1, "Do This",MFS_ENABLED , NULL);
    insertMenuItem(menu, 2, "Do That",MFS_ENABLED | MFS_DEFAULT, NULL);
    insertMenuItem(menu, 3, "Do Nothing",MFS_ENABLED, NULL);
    Info("Selection: %d", trackPopupMenu (menu, 1, 0,0,0) );

destroyMenu(menu);
  }

return false;
}
</code>

== See Also ==
((createPopupMenu)), ((insertMenuItem)), ((destroyMenu))

Summary of change:
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