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Jump to a specific node in a treeview and expand it
Message
From
23/10/2003 09:03:15
 
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Miscellaneous
Thread ID:
00841352
Message ID:
00841521
Views:
37
That was it, thanks!
Tracy

>>If my treeview's node.text = "1MHG" and the node.key= < some specific key > , how do I programmatically jump to that node in the treeview, select it, and expand it?
>
>* To Jump to and expand
>if type('oTV.Nodes(cSomeSpecificKey).key')=="C"
>   * The node with cSomeSpecificKey exists in oTV
>   if oTV.Nodes(cSomeSpecificKey).text="1MHG"
>     * cSomeSpecificKey has the required text.
>      oTV.Nodes(cSomeSpecificKey).Selected=.t. && This should expand it
>      *!*oTV.SelectedItem.Expanded=.t. && IF it needs to be assured
>   else
>   endif &&oTV.Nodes.(cSomeSpecificKey).text="1MHG"
>endif &&type('oTV.Nodes(cSomeSpecificKey).key')=="C"
>
>
>>
>>Here is where I populate the treeview. Ideally, I would go ahead and expand the 1MHG node when it is created below:
>>
>>
>>THIS.oletreeview.nodes.clear()
>>WITH THIS.oletreeview.nodes
>>	.ADD(,tvwFirst,'File_Name'+'_'+'0000',thisform.Al3_file)
>>	.ADD('File_Name'+'_'+'0000',tvwChild,'Message1'+'_'+'0000','Message(1)')
>>	SELE Al3Parnt
>>	SET ORDER TO 0
>>	SCAN
>>		DO CASE
>>		CASE Al3Parnt.cself = "1MHG"			&& message header
>>			.ADD('Message1'+'_'+'0000',tvwChild,al3parnt.ckey,TRIM(al3Parnt.cSelf))
>>                        *Now expand the 1MHG Node somehow
>>		CASE Al3Parnt.cself = "2TRG"			&& new transaction
>>			.ADD('Message1'+'_'+'0000',tvwChild,'2TRG'+'_'+SEQ,'Transaction('+ALLTRIM(STR(al3Parnt.ntran))+')')
>>		CASE Al3Parnt.cself = "3MTG"			&& message Trailer
>>			.ADD('Message1'+'_'+'0000',tvwChild,al3parnt.ckey,LEFT(TRIM(al3Parnt.cSelf),4))
>>		CASE Al3Parnt.cPARENT = "A0"          &&  this record's parent 'branch' A0 is always top level branch
>>			.ADD('2TRG'+'_'+SEQ,tvwChild,al3parnt.ckey,TRIM(Al3Parnt.label))
>>		OTHERWISE
>>			.ADD(Al3Parnt.cp_id, tvwChild, ;
>>				al3Parnt.ckey,TRIM(Al3Parnt.label))
>>		ENDCASE
>>	ENDSCAN
>>ENDWITH
>>
>>
>>
>>TIA,
>>Tracy
.·*´¨)
.·`TCH
(..·*

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