Difference between revisions of "Arw GetFirst"
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| − | Returns a numerical value, indicating the object ID number of the oldest (the first to be added to the current chart) arrow object of the specified origin | + | Returns a numerical value, indicating the object ID number of the oldest (the first to be added to the current chart) arrow object of the specified origin. |
| + | |||
| + | Arw_GetFirst returns a value of -2 if the specified object ID number is invalid. | ||
| − | + | == Usage == | |
| − | <syntaxhighlight>Arw_GetFirst (Origin)</syntaxhighlight> | + | <syntaxhighlight>Arw_GetFirst(Origin)</syntaxhighlight> |
| − | |||
| − | |||
| − | |||
| − | 1 - added by the current study | + | == Parameters == |
| − | + | :'''Origin''' - a numerical expression specifying the origin of the arrow object, where: | |
| − | 2 - added by a study other then the current study, or drawn manually by the user | + | ::'''1''' - added by the current study, |
| − | + | ::'''2''' - added by a study other then the current study, or drawn manually by the user, | |
| − | 3 - added by any study, or drawn manually by the user | + | ::'''3''' - added by any study, or drawn manually by the user, |
| − | + | ::'''4''' - added by the current study, or drawn manually by the user, | |
| − | 4 - added by the current study, or drawn manually by the user | + | ::'''5''' - added by a study other then the current study, |
| − | + | ::'''6''' - added by any study, | |
| − | 5 - added by a study other then the current study | + | ::'''7''' - added manually by the user. |
| − | |||
| − | 6 - added by any study | ||
| − | |||
| − | 7 - added manually by the user | ||
| − | + | == Notes == | |
| − | If the oldest (the first added) arrow object is deleted, the next oldest (the second added) arrow object becomes the oldest (the first added) arrow object. | + | * If the oldest (the first added) arrow object is deleted, the next oldest (the second added) arrow object becomes the oldest (the first added) arrow object. |
| + | * Use [[Arw_GetActive]] or [[Arw_GetNext]] as another way to get the object-specific ID number of an already created arrow. | ||
| − | + | == Example == | |
Assign a value, indicating the object ID number of the oldest arrow object added to the chart by the current study, to Value1 variable: | Assign a value, indicating the object ID number of the oldest arrow object added to the chart by the current study, to Value1 variable: | ||
| − | <syntaxhighlight>Value1=Arw_GetFirst(1);</syntaxhighlight> | + | <syntaxhighlight>Value1 = Arw_GetFirst(1);</syntaxhighlight> |
[[Category:ArrowDrawing]] | [[Category:ArrowDrawing]] | ||
Latest revision as of 08:22, 19 February 2012
Returns a numerical value, indicating the object ID number of the oldest (the first to be added to the current chart) arrow object of the specified origin.
Arw_GetFirst returns a value of -2 if the specified object ID number is invalid.
Contents
Usage
Arw_GetFirst(Origin)
Parameters
- Origin - a numerical expression specifying the origin of the arrow object, where:
- 1 - added by the current study,
- 2 - added by a study other then the current study, or drawn manually by the user,
- 3 - added by any study, or drawn manually by the user,
- 4 - added by the current study, or drawn manually by the user,
- 5 - added by a study other then the current study,
- 6 - added by any study,
- 7 - added manually by the user.
Notes
- If the oldest (the first added) arrow object is deleted, the next oldest (the second added) arrow object becomes the oldest (the first added) arrow object.
- Use Arw_GetActive or Arw_GetNext as another way to get the object-specific ID number of an already created arrow.
Example
Assign a value, indicating the object ID number of the oldest arrow object added to the chart by the current study, to Value1 variable:
Value1 = Arw_GetFirst(1);
