OnMouseDown Event
Description
Indicates a mouse button was pressed over this control.
Parameters
- nButton
- Integer identifying the mask of buttons involved.
- nFlags
- Integer identifying the state of the mouse buttons.
- nX
- Integer identifying the X-axis coordinate of the cursor.
- nY
- Integer identifying the Y-axis coordinate of the cursor.
AutoLISP Syntax
Each control that throws this event has its handler that takes this generic form:
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(defun c:FormName_ControlName_OnMouseDown (nButton [as Integer] nFlags [as Integer] nX [as Integer] nY [as Integer] /) ) |
Applies For
BlockView, DwgPreview, EditableGrid, Grid (Hatch), ListView, PictureBox, SlideView.
Example
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; React to the mouse button being released
(princ c:MyForm_MyControl_OnMouseDown
(nButton nFlags nX nY /)
(princ "OnMouseDown(")
(princ nButton)
(princ ", ")
(princ nFlags)
(princ ", ")
(princ nX)
(princ ", ")
(princ nY)
(princ ")\n")
) |