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- Calculating the mouse position
- Miscellaneous
CursorPos (Function) In french: CurseurPos Returns and modifies the position of the mouse cursor. Note To find out the current position of the mouse, use functions MouseXPos and MouseYPos. Res is int = CursorPos(cpClient)
IF Res <> -1 THEN
Message("Position X = " + LoWord(Res) + "Position Y = " + HiWord(Res))
END
Syntax
<Result> = CursorPos([<Origin>, ] <X position> , <Y position>)
<Result>: Integer Position of the mouse (the coordinates are returned by HiWord and LoWord).- Current position if <X Position> and <Y Position> are not specified.
- Previous position if <X Position> and <Y Position> are specified.
- -1 if an error occurs (mouse cursor position outside the requested coordinates, for example).
<Origin>: Optional integer constant Indicates the origin used to calculate the position: | | | cpClient | Mouse position in relation to the client area of the window with focus.
Client Area = window without title bar, menu bar and border. | cpScreen
(Default value) | Mouse position in relation to the screen. | | cpWindow | Mouse position in relation to the window with focus. |
<X position>: Real New horizontal position in the selected coordinate system. <Y position>: Real New vertical position in the selected coordinate system. Remarks Calculating the mouse position To find out the horizontal and vertical position of the mouse from the result, you must use HiWord and LoWord. The low byte of <Result> is used to get the horizontal position (X) of the mouse. The high byte of <Result> is used to get the vertical position (Y) of the mouse. If an error occurs, X and Y are equal to -1. Coordinates are relative to the upper-left corner of the selected coordinate system. - MouseXPos and MouseYPos respectively return the horizontal and vertical positions of the mouse in relation to the control where a left mouse click was performed.
- You can, for example, calculate the position of the mouse cursor in a timer in order to always display this position on the screen.
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