XmDropSiteRegister(3) Library Functions Manual XmDropSiteRegister(3) NAME XmDropSiteRegister -- A Drag and Drop function that identifies a drop site and assigns resources that specify its behavior SYNOPSIS #include <Xm/DragDrop.h> void XmDropSiteRegister( Widget widget, ArgList arglist, Cardinal argcount); DESCRIPTION XmDropSiteRegister identifies the specified widget or gadget as a drop site and sets resource values that define the drop site's behavior. The routine assigns default values to any resources that are not specified in the argu- ment list. The toolkit generates a warning message if a drop site is reg- istered with XmNdropSiteActivity set to XmDROP_SITE_ACTIVE and the XmNdrop- Proc resource is NULL. If the drop site is a descendant of a widget that is registered as a drop site, the XmNdropSiteType resource of the ancestor drop site must be speci- fied as XmDROP_SITE_COMPOSITE. The ancestor must be registered before the descendant. The drop site is stacked above all other sibling drop sites al- ready registered. widget Specifies the ID of the widget to be registered. arglist Specifies the argument list. argcount Specifies the number of attribute/value pairs in the argument list (arglist). For a complete definition of DropSite and its associated resources, see Xm- DropSite(3). RELATED XmDisplay(3), XmDropSite(3), XmDropSiteEndUpdate(3), XmDropSiteStartUp- date(3), XmDropSiteUpdate(3), XmDropSiteUnregister(3), and XmScreen(3). XmDropSiteRegister(3)
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