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Athos

If statement detecting a string

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Athos

Hi guys, I have a box that decides the number of runs my script will make. Since I'm trying to make my GUI Idiot-proof, I want to prevent them from putting anything stupid like 1a into the the trials column.

My current code:

$numTrials = GUICtrlRead($Edit_1)



If $numTrials<> "" AND $numTrials<> 0 AND $numTrials<>String Then



For $i=1 to $numTrials Step 1

RunScript()

Next



Exit

Else

MsgBox(64, "Error","Please Enter All Fields")

EndIf

The problem is that my script gives me an error for when $numTrials is a string like 1a23sd.

Is there a way I can avoid this error?

Thanks,

Athos

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BrewManNH

If you're using an Input control then you can do it this way.

GUICtrlCreateInput("", 10, 5, 300, 20, BitOr($ES_LEFT, $ES_AUTOHSCROLL, $ES_NUMBER))

The style setting $ES_NUMBER will let it only accept numbers in the control.


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
How to ask questions the smart way!

I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

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JLogan3o13

Hi, Athos. If I am understanding you correctly, you're wanting the Edit1 control to only accept numbers? If so, look at the 6th option in GuiCtrlCreateEdit (style). You can set this to $ES_NUMBER like so.

#include <GUIConstantsEx.au3>
#include <EditConstants.au3>

Local $myedit, $msg
GUICreate("Test") ; will create a dialog box that when displayed is centered
$myedit = GUICtrlCreateEdit("", 8, 48, 425, 385, $ES_NUMBER)
    GUISetState()
    While 1
        $msg = GUIGetMsg()
        If $msg = $GUI_EVENT_CLOSE Then
   ExitLoop
  EndIf
    WEnd
    GUIDelete()

√-1 2^3 ∑ π, and it was delicious!

How to get your question answered on this forum!

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Athos

Hey that's a pretty good solution, Thanks Brewman :) Edit, you too JLogan

Still, I wonder what would have worked as an if statement solution. Is String not the correct way of handling strings?

Edited by Athos

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BrewManNH

String converts things INTO strings, it doesn't tell you if they are strings or not, IsString will tell you if it's a string.


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
How to ask questions the smart way!

I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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DicatoroftheUSA

You can also use regex to validate answers.

for example

;enter a 2-4 digit number

$sNotNumber = 'abracadabr'

$iTooBig = 32151235

$iTooSmall = 1

$iOkeyDokey1 = 12

$iOkeyDokey2 = 1234

_test($sNotNumber)

_test($iTooBig)

_test($iTooSmall)

_test($iOkeyDokey1)

_test($iOkeyDokey2)

Func _test($value)

If StringRegExp($value, '^(?:[0-9]{2,4})$') Then

MsgBox(0, $value, "Valid")

Else

MsgBox(0, $value, "InValid")

EndIf
EndFunc
Edited by DicatoroftheUSA

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