DeleteGraphPlot
int DeleteGraphPlot (int panelHandle, int controlID, int plotHandle, int refresh);
Purpose
Deletes one or all plots from a graph control.
Supported Controls
You can use DeleteGraphPlot with graph controls.
Parameters
| Input | ||
| Name | Type | Description |
| panelHandle | int | Specifier for a particular panel that is currently in memory. You can obtain this handle from functions such as LoadPanel and NewPanel. |
| controlID | int | The defined constant, located in the .uir header file, that you assigned to the control in the User Interface Editor, or the ID returned by functions such as NewCtrl and DuplicateCtrl. |
| plotHandle | int | Handle for the particular plot to delete or –1 to delete all plots in the graph control. You can obtain plotHandle from one of the following functions: PlotX PlotY PlotXY PlotWaveform PlotPoint PlotText PlotLine PlotRectangle PlotPolygon PlotOval PlotArc PlotIntensity PlotScaledIntensity PlotBitmap |
| refresh | int | Selects when to refresh the graph control. The following choices are valid: VAL_DELAYED_DRAW = delayed draw VAL_IMMEDIATE_DRAW = immediate draw VAL_NO_DRAW = no draw If refresh is VAL_DELAYED_DRAW, the deleted plot remains on the graph until one of the following actions takes place:
If refresh is VAL_IMMEDIATE_DRAW, the plot area is redrawn immediately and the deleted plot is removed from the graph. If refresh is VAL_NO_DRAW, the deleted plot remains on the graph until one of the following actions takes place:
|
Return Value
| Name | Type | Description |
| status | int | Return value indicating whether the function was successful. A negative number indicates that an error occurred. |
Additional Information
Library: User Interface Library
Include file: userint.h
LabWindows/CVI compatibility: LabWindows/CVI 3.0 and later
Examples
Refer to the following examples that use the DeleteGraphPlot function:
- userint\getuserevent.cws
Open example - userint\graphcursors.cws
Open example - userint\graphs.cws
Open example - userint\GraphZooming.cws
Open example - userint\TimeDateUnits.cws
Open example - userint\custctrl\colorpicker\colorpickerdemo.cws
Open example