MouseXPos (Function)

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MouseXPos (Function)

In french: SourisPosX

Used in a process linked to the mouse or stylus (click code, rollover code, code of left or right button down), returns the horizontal position (X) of the mouse cursor in relation to the specified window or control.

You can find out:

the position of the mouse (or stylus) when a left click is performed in an image (function used in the click code of image).
the position of the mouse (or stylus) when hovering a window (function used in the optional "Mouse rollover" process of window).

Remarks:

Example

// "WIN_Drawing" window hovered by the mouse
// Optional code of the window
Message("Position of the mouse: X: " + MouseXPos() + "Y: " + MouseYPos())

// Displays a different message according to the location clicked
IF MouseXPos() > 25 THEN
Info("To the right")
ELSE
Info("To the left")
END

Syntax

Retrieving the mouse position in a window Hide the details

<Result> = MouseXPos([<Marker>])

<Result>: Integer

Horizontal position (or X coordinate) of the mouse (or stylus) in pixels. By default, this position is given in relation to the top left corner of control on which the left mouse button was pressed.
-1 if an error occurred.

<Marker>: Optional Integer constant

Versions 17 and later
Marker used to calculate the position:
mpControl
(Default value) Mouse position in relation to the top left corner of window (or window if the event occurs on the window).
If this constant is selected, MouseXPos must be used in the click code of the control.
mpScreen Mouse position in the screen (in relation to the top left corner of screen).
mpWindow Mouse position in relation to the top left corner of window.
mpImage Mouse position in the image (in relation to the top left corner of image).
If this constant is selected, MouseXPos must be used in the click code of the Image control.
New in version 17
Marker used to calculate the position:
mpControl
(Default value) Mouse position in relation to the top left corner of window (or window if the event occurs on the window).
If this constant is selected, MouseXPos must be used in the click code of the control.
mpScreen Mouse position in the screen (in relation to the top left corner of screen).
mpWindow Mouse position in relation to the top left corner of window.
mpImage Mouse position in the image (in relation to the top left corner of image).
If this constant is selected, MouseXPos must be used in the click code of the Image control.
Marker used to calculate the position:
mpControl
(Default value) Mouse position in relation to the top left corner of window (or window if the event occurs on the window).
If this constant is selected, MouseXPos must be used in the click code of the control.
mpScreen Mouse position in the screen (in relation to the top left corner of screen).
mpWindow Mouse position in relation to the top left corner of window.
mpImage Mouse position in the image (in relation to the top left corner of image).
If this constant is selected, MouseXPos must be used in the click code of the Image control.

Remarks

Error

The main error codes are as follows:

No window is opened.
No mouse click is performed.
MouseXPos is called in a code other than the click code of a control.
Click code run by Execute or ExecuteProcess.

Various

The vertical position of the mouse (or stylus) is returned by MouseYPos.
MouseXPos used in the selection code of row or table always returns 0.

Related Examples:

Unit examples (WINDEV): The drawing functions

[ + ] Using the main drawing functions of WINDEV to:
- Initialize an Image control for drawing
- Draw simple shapes
- Write a text into a drawing
- Change the color in a drawing

Component : wd250obj.dll