GetGraphCursor
int GetGraphCursor (int panelHandle, int controlID, int cursorNumber, double *x, double *y);
Purpose
Obtains the current position of a specific graph cursor.
The position is relative to the current range of the x- and y-axes.
Supported Controls
You can use GetGraphCursor 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. |
| cursorNumber | int | Identifies the cursor. cursorNumber can range from 1 to the number of defined cursors for the specified graph. You can set the number of defined cursors when you edit the graph in the User Interface Editor or through SetCtrlAttribute. |
| Output | ||
| Name | Type | Description |
| x | double | Returns the x-coordinate of the cursor position. |
| y | double | Returns the y-coordinate of the cursor position. |
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 GetGraphCursor function:
- apps\daqmthread\daqMT.cws
Open example - apps\mandelbrot\mandel.cws
Open example - userint\2yaxis.cws
Open example - userint\graphcursors.cws
Open example