'R Cannot be assigned to' error in Roblox Lua - roblox

I am trying to change the color value of a textlabel. I am doing so using:
script.Parent.Parent.toggled2.SurfaceGui.SIGN.TextColor3.R = 0
script.Parent.Parent.toggled2.SurfaceGui.SIGN.TextColor3.G = 255
script.Parent.Parent.toggled2.SurfaceGui.SIGN.TextColor3.B = 0
basically it navigates to a button (a part, parent of the script) then to the group its in, then to a part with the text (in this case toggled2) then to the surfacegui inside then the textlabel (which is named SIGN) it then modifies the TextColor3 attribute 3 times at once, adjusting all the R,G,B values.
Why wont it let me alter the value? do i have to do something like :new() or .new()?

In order to assign a value to the TextColor3 property, you have to pass a Color3 object :
local sign = script.Parent.Parent.toggled2.SurfaceGui.SIGN
sign.TextColor3 = Color3.new(0, 255, 0)

Related

Access VBA to Change an Image in a Continuous Form

I am trying to create a receipt form where people will confirm if they've received the full quantity of an order. As part of this, I want the following to happen:
If they received the full quantity, a green check mark appears
If they received a partial quantity, an orange triangle appears
If they received no items, a red x appears
To accomplish this, I'm using a continuous form with 3 image files for each situation. I'm using the code below to change the image when the quantity is changed. The problem is, when the quantity is change on 1 line, the symbol changes for all lines. I'll post pictures as well.
Any thoughts on how I can fix this?
I'm open to other methods of accomplishing this idea too.
Private Sub FinalQTY_AfterUpdate()
If IsNull(Me.FinalQty) Then
MsgBox "You must enter a quantity for this item"
Me.FinalQty.SetFocus
Exit Sub
Else
LValue = Me.[FinalQty]
If IsNumeric(LValue) = 0 Then
Me.FinalQty = ""
MsgBox "Qty must be a numeric value"
Me.QTY.SetFocus
Exit Sub
End If
End If
Me.FinalTotalPrice = Me.FinalPrice * Me.FinalQty
If Me.FinalQty = 0 Then
Me.Yes.Visible = False
Me.Change.Visible = False
Me.No.Visible = True
End If
If Me.FinalQty < Me.QTY Then
Me.Yes.Visible = False
Me.Change.Visible = True
Me.No.Visible = False
End If
If Me.FinalQty = Me.QTY Then
Me.Yes.Visible = True
Me.Change.Visible = False
Me.No.Visible = False
End If
End Sub
This is before I adjust the quantity:
This is after I adjust the qty of only the second line:
Since the formatting of each record displayed by a continuous form is inherited from the form design template, any changes to the template will be automatically applied to all records displayed by the form, aside from Conditional Formatting rules in effect or the handful of properties which may changed via the OnPaint event of the Detail section.
One possible alternative might be to add a new field to your table with a data type of OLE Object and populate the value on the AfterUpdate event using the AppendChunk method, sourcing image data from a separate table containing three records corresponding to your green tick, orange triangle, and red cross images.

JavaFX - Label text color on negative text value

I would like to change text color of my Label in case its text value is a negative number (or starts with a '-'). Is there a proper binding to make it works?
No, you need to create it yourself, e.g.
Label label = ...
IntegerExpression value = ...
label.textProperty().bind(value.asString());
label.textFillProperty().bind(Bindings.when(value.lessThan(0))
.then(Color.RED)
.otherwise(Color.BLACK));
If you've don't have a expression that allows you to create a condition in this way you could of course also create a binding that depends on the Label's text property:
Label label = ...
label.textFillProperty().bind(Bindings.createObjectBinding(() -> label.getText().startsWith("-")
? Color.RED
: Color.BLACK,
label.textProperty()));

Verifying Value is Not Equal Before Assigning Value

Is there any point checking to see if a value has already been assigned to a variable or is it better to just simply assign the value? For example, if X is going to equal 1, is there any point checking to see if X already equals 1? Example code below:
if X != 1 {
X = 1
}
I ask this question become I'm looping through a bunch of children sprites and changing the alpha values to 0, which most are already set at 0. So I'm seeing if there is any benefit in checking the children's alpha value first (I can't see the benefit).
parent.enumerateChildNodes(withName: "*", using: {
node, stop in
// if node.alpha != 0 {
node.alpha = 0
// }
})
Just set the value normally.
What even is the point of checking whether the value is already 0 before setting it? What difference does it make? After the line of code:
node.alpha = 0
No matter what value alpha has before, it will always be 0 after the above line!
If you are worried about performance, don't, until you encounter one.
Setting alpha is just like setting any other variable. It doesn't do much apart from setting the value. It won't immediately change the alpha of the sprite on the screen. It will only do it in the next frame.
Say you do this a bunch of times:
for _ in 0...10000 {
node.alpha = 0
node.alpha = 1
}
The node's alpha on the screen won't be flashing like crazy. Eventually it will be 1 so the node will be drawn with alpha = 1 in the next frame.

How to change background color for each two rows in SSRS in a group

How can I write the expression in order to change background color for each two rows in SSRS?
I need something like that:
I tried expression
=IIF(Fields!Type.Value="2016 Submitted" , "LightBlue",
IIF(Fields!Type.Value="2015 Submitted" , "LightBlue",
Nothing))
But because some months dont have values it looks like this:
If I try this expression I get below:
=IIF(RunningValue(Fields!Count.Value, CountDistinct, Nothing) MOD 2 = 1, "White", "PaleTurquoise")
Dance-Henry I tried your code
=IIF(RowNumber(Nothing) Mod 4 = 1 or RowNumber(Nothing) Mod 4 = 2, "Aqua","White")
and this is what i got:
You can select the row in design pane and press F4 to setup property BackgroundColor as =IIF(RowNumber(Nothing) Mod 4 = 1 or RowNumber(Nothing) Mod 4 = 2, "Aqua","White")
Captures are attached. Do it accordingly.
RESULT is something like this
After going thru the link https://blogs.msdn.microsoft.com/chrishays/2004/08/30/green-bar-matrix/
Tested and it works well for the Green Bar Effect for Matrix. I will show it step by step here as for later reference.
Step 1: Create the Matrix and add one more column under the innermost row grouping in your matrix. (ColorNameTextbox here)
Step 2: Select the textbox of ColorNameTextbox and press F4 to setup BackgroundColor property as =Value shown below.
Step 3: Select the textbox of Matrix cell and press F4 to setup BackgroundColor property as =ReportItems!ColorNameTextbox.Value shown below.
Step 4: Drag the inner grouping header (ColorNameTextbox) to be as narrow as possible.
Step 5: Preview Pane to check the result.
If you could add a hidden color_group column and populate it with a new number at each point you want to change the color (in your case 1,1,2,2,3,3,4,4) then you could use something like the following (which works for varying size groups):
IIF(RunningValue(Fields!color_group.Value, CountDistinct, Nothing) MOD 2 = 1, "White", "PaleTurquoise")
I had a similar problem where I could not come up with alternating rows because my data has Column Groups that were the RowNumber(Nothing) method to fail. Learning from all the other posts here this is how I resolved it in steps.
I added the following code into the report properties, that provides a function to get the row number, each time it is called. The function increments the row count each time it is called. >>Right click space around the report >> Properties >> Code. Alternatively go to Code Properties Window, when the report is selected.
Add the following lines:
Public Row_Sum As Decimal = 0
Public Function Lookup_Sum( ) As integer
Row_Sum = Row_Sum + 1
Return Row_Sum
End Function
I added a new column at the beginning of the rows called No. that would calculate and show the row number.Right click the first column >>Insert Column>>Inside Group-Left.
On the expression for the new report add this line of code. Also take a note of the name of the TextBox that will have the No. Value. It will be needed in the next step. In my case the TextBox is called TextBox6 (Properties Window). >>Right Click Cell>>Expression.
Add the code:
=Code.Lookup_Sum()
I highlighted the entire row and went to the Background property and added the following expression to compute the row number.
Add the code(TextBox6 is the name Textbox name noted above):
=IIF(VAL(ReportItems!Textbox6.Value) MOD 2, "LIGHTBLUE", "WHITE")

Setting up some properties for a combobox (scroll, edit, jump)

There are 3 properties that I want to set for some VBA form comboboxes and I don't know if it's possible.
I don't want to let the combobox editable. Right now if the user types something in it that it submits the form it will send that value... I want to let him choose only from the values I added in the Combobox.
I want to make the list of items in the combobox scroll-able. Right now I'm able to scroll through the list if I use the scroll-bar but I don't know why I can't scroll with the mouse scroll.
And I want to jump to some item if I start typing. Let's say I have the months of the year in one combobox... if I start to type mar I want it to jump to march. I know that for the html forms this properties is by default but I don't know about VBA forms...
Thanks a lot
Of the behaviours you want, some are possible with settings on the Combo, others you will need to code
List of Months: Put a list of entries on a (hidden) sheet and name the range. Set .RowSource to that range
Match as you type: Set properties .MatchEntry = fmMatchEntryComplete and .MatchRequired = True
Reject non list entries: A Combo with these settings will allow you to type an invalid entry, but will reject it with an error message popup when you commit. If you want to silently reject invalid data as you type, you will need to code it.
If you want the selected value returned to a sheet, set .ControlSource to a cell address (preferable a named range)
By "...scroll with the mouse scroll..." I assume you mean the mouse wheel. Unfortunatley Forms don't support mouse wheel scroll. You will have to code it yourself. There is a Microsoft patch for this at here (not tried it myself yet)
Sample code to silently reject invalid entries
Private Sub cmbMonth_Change()
Static idx As Long
Dim Match As Boolean
Dim i As Long
If cmbMonth.Value = "" Then Exit Sub
If idx = 0 Then idx = 1
i = idx
Match = False
For i = 0 To cmbMonth.ListCount
If cmbMonth.List((i + idx - 1) Mod cmbMonth.ListCount) Like cmbMonth.Value & "*" Then
cmbMonth.ListIndex = (i + idx - 1) Mod cmbMonth.ListCount
Match = True
Exit For
End If
Next
If Not Match Then
cmbMonth.Value = Left(cmbMonth.Value, Len(cmbMonth.Value) - 1)
End If
End Sub
Set the propertie MatchEntry of combobox to 1 (fmMatchEntryComplete) and MatchRequired to true for example
combobox1.MatchEntry=1
combobox1.MatchRequired=True
[]'s