rm4453

Can't Get += to work properly...

15 posts in this topic

I keep getting error : Statement cannot be just an expression.

Here are the 3 error variations it gives:

Global $ImageCount += 1

~~~~~~~~~~~~~~~~~~~~~^

Global $ImageCount += 1

~~~~~~~~~~~~~~~~~~~~^

Global $ImageCount +=

~~~~~~~~~~~~~~~~~~~^

Here is the code:

Case $Image1
            ;GUICtrlSetState($Image1, 4+128)
            GUICtrlSetState($Image2, 64)
            $Image1_done = 1
            OpenImages()
            Global $Image1_added = $imagePath
            ;MsgBox("Info", "Image 1 Path", $Image1_added)
            OpenEditBox()
            Global $Image1_Description = $editBox_save
            If $im1 = 0 Then
                Global $ImageCount += 1
                $im1 = 1
            EndIf
        Case $Image2
            If $Image1_done = 1 Then
                ;GUICtrlSetState($Image2, 4+128)
                GUICtrlSetState($Image3, 64)
                OpenImages()
                Global $Image2_added = $imagePath
                ;MsgBox("Info", "Image 2 Path", $Image2_added)
                OpenEditBox()
                Global $Image2_Description = $editBox_save
                $Image2_done = 1
                If $im2 = 0 Then
                    Global $ImageCount += 1
                    $im2 = 1
                EndIf
            Else
            EndIf
        Case $Image3
            If $Image2_done = 1 Then
                ;GUICtrlSetState($Image3, 4+128)
                GUICtrlSetState($Image4, 64)
                OpenImages()
                Global $Image3_added = $imagePath
                ;MsgBox("Info", "Image 3 Path", $Image3_added)
                OpenEditBox()
                Global $Image3_Description = $editBox_save
                $Image3_done = 1
                If $im3 = 0 Then
                    Global $ImageCount += 1
                    $im3 = 1
                EndIf
            Else
            EndIf
        Case $Image4
            If $Image3_done = 1 Then
                ;GUICtrlSetState($Image4, 4+128)
                GUICtrlSetState($Image5, 64)
                OpenImages()
                Global $Image4_added = $imagePath
                ;MsgBox("Info", "Image 4 Path", $Image4_added)
                OpenEditBox()
                Global $Image4_Description = $editBox_save
                $Image4_done = 1
                If $im4 = 0 Then
                    Global $ImageCount += 1
                    $im4 = 1
                EndIf
            Else
            EndIf
        Case $Image5
            If $Image4_done = 1 Then
                ;GUICtrlSetState($Image5, 4+128)
                GUICtrlSetState($Image6, 64)
                OpenImages()
                Global $Image5_added = $imagePath
                ;MsgBox("Info", "Image 5 Path", $Image5_added)
                OpenEditBox()
                Global $Image5_Description = $editBox_save
                $Image5_done = 1
                If $im5 = 0 Then
                    Global $ImageCount += 1
                    $im5 = 1
                EndIf
            Else
            EndIf
        Case $Image6
            If $Image1_done = 1 Then
                ;GUICtrlSetState($Image6, 4+128)
                OpenImages()
                Global $Image6_added = $imagePath
                ;MsgBox("Info", "Image 6 Path", $Image6_added)
                OpenEditBox()
                Global $Image6_Description = $editBox_save
                If $im6 = 0 Then
                    Global $ImageCount += 1
                    $im6 = 1
                EndIf
            Else
            EndIf

 

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You can't increment a value on a variable that not exists yet.

$ImagenCount +=1 Mean that you are adding 1 to the previous value of $ImageCount, where is the previous value if you don't declare the variable before that operation?

You can initiate a variable like this:
$ImageCount = "" ; Initiate the variable with null value(empty).

Happy Coding...

Kind Regards
Alien.

 

 

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2 minutes ago, alien4u said:

You can't increment a value on a variable that not exists yet.

$ImagenCount +=1 Mean that you are adding 1 to the previous value of $ImageCount, where is the previous value if you don't declare the variable before that operation?

You can initiate a variable like this:
$ImageCount = "" ; Initiate the variable with null value(empty).

Happy Coding...

Kind Regards
Alien.

 

 

It is already declared sorry forgot to mention that...

It is declared as 0 at script startup Then is set to a value based off of ini it will never be bigger than 6 so I don't see how this is a problem...

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What do you expect $ImageCount to be after the statement? 1? Then use:

Global $ImageCount = 1

 


My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2017-04-18 - Version 1.4.8.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX (NEW 2017-02-27 - Version 1.3.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2015-04-01 - Version 0.4.0.0) - Download - General Help & Support - Example Scripts
Excel - Example Scripts - Wiki
Word - Wiki
PowerPoint (2015-06-06 - Version 0.0.5.0) - Download - General Help & Support

Tutorials:
ADO - Wiki

 

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You're redeclaring it with the Global statement, so the above answer still stands.


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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Then simply remove "Global" to increment the variable:

$ImageCount += 1

 


My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2017-04-18 - Version 1.4.8.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX (NEW 2017-02-27 - Version 1.3.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2015-04-01 - Version 0.4.0.0) - Download - General Help & Support - Example Scripts
Excel - Example Scripts - Wiki
Word - Wiki
PowerPoint (2015-06-06 - Version 0.0.5.0) - Download - General Help & Support

Tutorials:
ADO - Wiki

 

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Just now, water said:

What do you expect $ImageCount to be after the statement? 1? Then use:

Global $ImageCount = 1

 

I expect $ImageCount to be anywhere in this range 1-6 "the script sets it to 6 if it is 6 or greater before it starts the Image upload that way it will loop no more than 6 times.... because the user is only able to select 6 images to upload"

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#8 ·  Posted (edited)

I don't fully understand what += 1 does i'm wanting it to increment the variable by 1 i don't care if it goes above 6 because the upload function sets it to 6 if it is 6 or greater that way it only loops 6 times...

 

This page specifies that this should work just fine....

https://www.autoitscript.com/autoit3/docs/intro/lang_operators.htm

Edited by rm4453
added link to extra info

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+=1 does exactly what you want: "i'm wanting it to increment the variable by 1"


My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2017-04-18 - Version 1.4.8.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX (NEW 2017-02-27 - Version 1.3.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2015-04-01 - Version 0.4.0.0) - Download - General Help & Support - Example Scripts
Excel - Example Scripts - Wiki
Word - Wiki
PowerPoint (2015-06-06 - Version 0.0.5.0) - Download - General Help & Support

Tutorials:
ADO - Wiki

 

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Just now, water said:

+=1 does exactly what you want: "i'm wanting it to increment the variable by 1"

Then why does it keep throwing the error? is it just a bug or something?

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As I already said: +=1 mean you will add 1 to the previous value of the variable.

If you have Global $ImageCount = "" (declaration of your variable) early in your code, then like BrewManNH said, you can't use Global $ImageCount +=1 again because with the Global statement your redeclaring your variable again but you can't do that using += because that is not the way you declare a variable, does not make any sense.

In the other hand I think the best way to do this is creating a function and send values to that function, so you can use an While loop when you finish your cases that will be better to count and no depend on Global variables.

Kind Regards
Alien.

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2 minutes ago, alien4u said:

As I already said: +=1 mean you will add 1 to the previous value of the variable.

If you have Global $ImageCount = "" (declaration of your variable) early in your code, then like BrewManNH said, you can't use Global $ImageCount +=1 again because with the Global statement your redeclaring your variable again but you can't do that using += because that is not the way you declare a variable, does not make any sense.

In the other hand I think the best way to do this is creating a function and send values to that function, so you can use an While loop when you finish your cases that will be better to count and no depend on Global variables.

Kind Regards
Alien.

So If I take Global off it should be fine?

Using the later of the two? ex:

Global $ImageCount += 1

$ImageCount +=1

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1 hour ago, rm4453 said:

I expect $ImageCount to be anywhere in this range 1-6 "the script sets it to 6 if it is 6 or greater before it starts the Image upload that way it will loop no more than 6 times.... because the user is only able to select 6 images to upload"

If you set the value of $ImageCount to 6 when you first declare it and you increment that by 1 how to do expect to the script will work if your final condition or your loop stop at 6?
Or Im missing something here?

Kind Regards
Alien.

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Just now, alien4u said:

If you set the value of $ImageCount to 6 when you first declare it and you increment that by 1 how to do expect to the script will work if your final condition or your loop stop at 6?
Or Im missing something here?

Kind Regards
Alien.

 

I saw that error and modified the Do loop to include an extra if statement here it is:

 

If $ImageCount >= 6 Then
    $ImageCount = 6
EndIf

 

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Yes it should.

Outside your case or loop or anything that is repetitive you declare your Global var:
Global $ImageCount = ""

And inside the Case, or Loop or repetitive task you increment your var:
$ImageCount +=1

Kind Regards
Alien.

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