FilePaths Interface (PRIM_APPL.IDragDropFilePaths)

Ancestors - None

Details

The PRIM_APPL.IDragDropFilePaths object provides information about external drag and drop actions, allowing files from Windows Explorer to be dropped on a LANSA application.

The Payload parameter of the DragOver, DragDrop and EndDrag will contain an instance of the object.

This object will contain a count of the number of files and their paths.

Example

This example displays the paths of files dragged from Windows Explorer on to the form.

     Function Options(*DIRECT)
     Begin_Com Role(*EXTENDS #PRIM_FORM) Clientheight(464) Clientwidth(680) Dragstyle(Aggregated) Height(503) Left(313) Top(207) Width(696) Layoutmanager(#TableLayout1) 

        Define_Com Class(#PRIM_TBLO) Name(#TableLayout1)
        Define_Com Class(#PRIM_TBLO.Column) Name(#Column1) Displayposition(1) Parent(#TableLayout1)
        Define_Com Class(#PRIM_TBLO.Row) Name(#Row1) Displayposition(1) Parent(#TableLayout1)
        Define_Com Class(#PRIM_TBLO.Item) Name(#FilesItem1) Column(#Column1) Manage(#Files) Parent(#TableLayout1) Row(#Row1) 

        Define_Com Class(#PRIM_LTVW) Name(#Files) Columnbuttonheight(20) Componentversion(2) Displayposition(1) Dragstyle(Automatic) Fullrowselect(True) Height(464) Keyboardpositioning(SortColumn) Left(0) Parent(#COM_OWNER) Showsortarrow(True) Tabposition(1) Top(0) Width(680)
        Define_Com Class(#PRIM_LVCL) Name(#LVCL1) Displayposition(1) Parent(#Files) Source(#xDemoCaption) Widthtype(Remainder) Caption('Files') Captiontype(Caption) 

        Evtroutine Handling(#com_owner.CreateInstance) 

           #Sys_Appln.AllowWindowsDragDrop := True 

        Endroutine 

        Evtroutine Handling(#Files.DragOver) Payload(#Payload) Acceptdrop(#AcceptDrop) 

           #AcceptDrop := (#Payload *Is #Prim_Appl.iDragDropFilePaths) 

        Endroutine 

        Evtroutine Handling(#Files.DragDrop) Payload(#Payload) 

           Clr_List Named(#Files) 

           If (#Payload *Is #Prim_Appl.IDragDropFilePaths) 

              Begin_Loop To((#Payload *As #Prim_Appl.IDragDropFilePaths).FileCount) 

                 #xDemoCaption := (#Payload *As #Prim_Appl.IDragDropFilePaths).FilePath<(#Files.Entries + 1)>
                 Add_Entry To_List(#Files) 
              
              End_Loop 

           Endif 

           Endroutine 

        End_Com

Properties

See also

All Component Classes

Technical Reference