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SetMousefunction
Sets the position and visibility of the mouse cursor
Syntax
Declare Function SetMouse ( ByVal x As Long = -1, ByVal y As Long = -1, ByVal visibility As Long = -1, ByVal clip As Long = -1 ) As Long
Parameters
| Name | Description | |
|---|---|---|
x | optional - set x coordinate | |
y | optional - set y coordinate | |
visibility | optional - set visibility: 1 indicates visible, 0 indicates hidden | |
clip | optional - set clipping: 1 indicates mouse is clipped to graphics window, 0 indicates no clipping |
Return value
Zero (
0) on success, non-zero to indicate failure.Description
SetMouse will set the (x, y) coordinates of the mouse pointer, as well as setting its visibility. The mouse position is set using the x and y parameters. The mouse will be visible if visibility is set to 1, and invisible if visibility is set to 0. SetMouse is intended for graphics modes initiated using the Screen (Graphics) statement only.The error code returned by
SetMouse can be checked using Err in the next line. The function version of SetMouse returns directly the error code as a 32 bit Long.Remarks
Usage
result = SetMouse([ x ] [, [ y ] [, [ visibility ] [, [ clip ]]]])
Dialect Differences
- Not available in the -lang qb dialect unless referenced with the alias
__Setmouse.
Differences from QB
- New to FreeBASIC
See also
Example
Dim As Long x, y, buttons
' create a screen 640*480
ScreenRes 640, 480
Print "Click the mouse button to center the mouse"
Do
' get mouse x, y and button state (wait until mouse is onscreen)
Do: Sleep 1: Loop While GetMouse( x, y , , buttons) <> 0
If buttons And 1 Then
' on left mouse click, center mouse
SetMouse 320, 240
End If
' run loop until a key is pressed or the window is closed
Loop While Inkey = ""
Reference
- Documented in KeyPgSetmouse.html