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Description
Create a new Trackbar control inside a dialog.
Syntax
hndl = CONTROL ADD TRACKBAR [Name ControlName], hwnd, ctrlID, DummyString, xPos, yPos, Width, Height [, [Style] [, [ExStyle]]] [[,] CALL CallBack]
Returns
Number
Control window handler.
Parameters
Name |
Type |
Optional |
Meaning |
ControlName |
String |
Yes |
Optional name for the control.
This name must be globally unique, and is used to create a global variable to be used with control name methods and properties. |
hwnd |
Number |
No |
Handle of the dialog containing the control |
ctrlID |
Number |
No |
Control identifier |
DummyString |
String |
Yes |
---Not used--- Leave blank |
xPos |
Number |
No |
Horizontal position of the control inside the dialog |
yPos |
Number |
No |
Vertical position of the control inside the dialog |
Width |
Number |
No |
Control width |
Height |
Number |
No |
Control height |
Style |
Number |
Yes |
Primary style of the control. See TRACKBAR Style equates. If no style has been specified, the following will be assumed as default: %WS_CHILD Or %WS_VISIBLE |
ExStyle |
Number |
Yes |
Extended style of the control. See TRACKBAR ExStyle equates. |
CallBack |
Function |
Yes |
Optional name of a Callback Function that receives all %WM_COMMAND and %WM_NOTIFY messages for the control.
If the Callback Function processes a message, it should return %TRUE (non-zero) to prevent the message being passed unnecessarily to the dialog callback (if one exists).
The dialog callback should also return %TRUE if the notification message is processed by that Callback Function. |
Remarks
Restrictions
See also
Examples
