AutoHotkey Community

Gui, Add, Edit, vMyEdit
MyEdit_TT := "A tooltip"

Gui, Add, Text, vMyText, Sometext    ;???
MyText_TT := "A tooltip"                   ;???

Gui, Add, DropDownList, vMyDDL, Red|Green|Blue
MyDDL_TT := "Choose a color from the drop-down list."

Gui, Show

OnMessage(0x200, "WM_MOUSEMOVE")

return


WM_MOUSEMOVE()
{
    static CurrControl, PrevControl, _TT  ; _TT is kept blank for use by the ToolTip command below.
    CurrControl := A_GuiControl
    If (CurrControl <> PrevControl and not InStr(CurrControl, " "))
    {
        ToolTip  ; Turn off any previous tooltip.
        SetTimer, DisplayToolTip, 1000
        PrevControl := CurrControl
    }
    return

    DisplayToolTip:
    SetTimer, DisplayToolTip, Off
    ToolTip % %CurrControl%_TT  ; The leading percent sign tell it to use an expression.
    SetTimer, RemoveToolTip, 3000
    return

    RemoveToolTip:
    SetTimer, RemoveToolTip, Off
    ToolTip
    return
}

GuiClose:
ExitApp

Gui, Add, Text, w400, Show me a ToolTip!
SetTimer, ToolTip

Gui, Show
return
GuiClose:
ExitApp

ToolTip:
MouseGetPos,,,,control
If (control = "static1") AND !(on)
{
 ToolTip, Here it is.
 on = 1
}
Else If (control != "static1") AND (on)
{
 ToolTip
 on = 0
}
return

Gui, Add, Text, w400, Show me a ToolTip!
SetTimer, ToolTip

Gui, Show, , MyGUI

var_Static1 = This is a ToolTip for Static 1 - a TextBox ; Put this at the top along with any others you want to try.

return
GuiClose:
ExitApp

ToolTip:
MouseGetPos,,,,control
tmpVar := var_%control%
ToolTip, %tmpVar%
; Doing this you will have to make sure you know what the ClassNN of the controls you want to use a ToolTip for

; And if you have multiple GUI's you can use the lines below in place of the 3 above and the associated variable:

;  These 2 go above -  in place of the "var_Static1":
;  WinGet, thisGUI,, MyGUI  ;<-- This is to get the GUI's Unique ID - it needs to go AFTER each GUI is created
;  var_%thisGUI%_Static1 = This is a ToolTip for MyGUI's Static 1!

;  And these below:
;  MouseGetPos,,,tGUI,control
;  tmpVar := var_%tGUI%_%control%
;  ToolTip, %tmpVar%

return

text1 = Show me ToolTip1!
text2 = Show me ToolTip2!
text3 = Show me ToolTip3!

var_Static1 = ToolTip1!
var_Static2 = ToolTip2!
var_Static3 = ToolTip3!

Loop, 3
  Gui, Add, Text, w200, text%A_Index%

SetTimer, ToolTip

Gui, Show, , MyGUI

return
GuiClose:
ExitApp

ToolTip:
MouseGetPos,,,,control
tmpVar := var_%control%
ToolTip, %tmpVar%
return