/// <summary>
/// Obtain DataObject, Draggables and DropEffects, by calling AssignDataObject, QuerryDraggablesFromDataObject
/// and QueryDropEffects() script commands.
/// </summary>
/// <param name="iSupportDropVariable"></param>
/// <param name="destinationDataObjectVariable"></param>
/// <param name="destinationVariable"></param>
/// <param name="skipIfExists"></param>
/// <param name="nextCommand"></param>
/// <returns></returns>
public static IScriptCommand QueryShellDragInfo(
string iSupportDropVariable = "{ISupportDrop}", string destinationDataObjectVariable = "{DataObj}",
string destinationVariable = "{Draggables}", string queryDropResultVariable = "{QueryDropResult}",
bool skipIfExists = false, IScriptCommand successCommand = null, IScriptCommand otherwiseCommand = null)
{
return(HubScriptCommands.AssignDataObject(destinationDataObjectVariable, false,
HubScriptCommands.QueryDraggablesFromDataObject(iSupportDropVariable, destinationDataObjectVariable, destinationVariable, false,
//And if there's draggables,
ScriptCommands.IfAssigned("{DragDrop.Draggables}",
ScriptCommands.IfNotEquals("{DragDrop.Draggables.Count()}", 0,
//Call ISupportDrop.QueryDropEffects() to get QueryDropEffect.
HubScriptCommands.QueryDropEffects(iSupportDropVariable, destinationVariable, destinationDataObjectVariable, null,
queryDropResultVariable, false,
ScriptCommands.IfEquals(queryDropResultVariable, FileExplorer.Defines.QueryDropEffects.None,
otherwiseCommand,
successCommand)), otherwiseCommand), otherwiseCommand))));
}
