GetCtrlValStringLength
int GetCtrlValStringLength (int panelHandle, int controlId, int *numberOfCharacters);
Purpose
Returns the number of bytes (excluding the ASCII NUL byte) in the text value for the control.
Parameters
| Input | ||
| Name | Type | Description |
| panelHandle | int | The specifier for a particular panel that is currently in memory. You obtain the handle by calling the LoadPanel, NewPanel, or DuplicatePanel function. |
| controlId | int | The defined constant (located in the UIR header file) that you assign to the control in the User Interface Editor, or the ID that you obtain by calling the NewCtrl or DuplicateCtrl function. |
| Output | ||
| Name | Type | Description |
| numberOfCharacters | int | Returns the number of bytes (excluding the ASCII NUL byte) in the text value for the control. |
Return Value
| Name | Type | Description |
| status | int | Returns a negative error code if an error occurs. |
Additional Information
Library: Programmer's Toolbox
Include file: toolbox\toolbox.h
LabWindows/CVI compatibility: LabWindows/CVI 6.0 and later