QD_SetDropHandler
| QD_SetDropHandler(areaRef; dropHandler):error | |||
|---|---|---|---|
 |
areaRef | Longint | Area reference |
|
dropHandler | Text | Drop handler method |
 |
error | Longint | Error result |
Specify the drop handler method for a QDrop area
Parameter areaRef is the reference to the plug-in area.
Parameter dropHandler is the name of the handler method.
Structure of the Drop Handler Method
A drop handler method must comply with the following calling interface:
| DropHandlerMethod (dropArea(L)) | |||
|---|---|---|---|
| $1 – dropArea | Longint | Area reference |
In your drop handler you can get information about the dropped items by calling QD_CountDroppedFiles and QD_GetDroppedFile.
Example
// Set the handler method to X_DROP_HANDLER C_LONGINT($error) $error:=QD_SetDropHandler (xDrop;"X_DROP_HANDLER")
// Drop handler method X_DROP_HANDLER C_LONGINT($1;$area) $area:=$1 C_LONGINT($error;$numFiles;$ii) C_TEXT($filePath) $error:=QD_CountDroppedFiles ($area;$numFiles) For ($ii;1;$numFiles) $error:=QD_GetDroppedFile ($area;$ii;$filePath) If ($error=0) ALERT($filePath) Else ALERT("Error "+String($error)) End if End for
Related commands
| QD_GetDropHandler | Get the drop handler method name of a QDrop area |