Custom Control Hourglass

I want to have Hourglass shaped custom indicator, so that if we give numeric values from 0 to 100, the (sand or water) should fall from top to bottom of glass. waiting for your kind help.
Thanks.
Attachments:
hourglass-hi.png ‏44 KB

MrHappyAsthma wrote:
I don't know a whole lot about graphics, but you could take the Sprites approach. (From video games/simple animation). Much like a flip-book you may have made as a kid, have a set of pictures for each portion of the hourglass being full/empty. Then simply iterate/display through these images at a smooth frame rate.
I've never done this in LabVIEW, but this is how much 2D is done on mobile devices (something I have a bit more experience with). I'm sure the methodology could be applied in LabVIEW as well.
This isn't all that bad of an idea because LabVIEW has a Picture Ring, where you load N pictures into a ring and then give it a value to display each image one at a time.
Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

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Issue in Custom Control UI element

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Hopefully someone more knowledgeable about custom controls \ SWT can add some input
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Team Foundation Server 2013 Refresh button not refreshing Custom Control values in TFS Templates

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OOP ALV report custom control performance problem

HI
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timeout is not an alv problem. If you try to display a "huge" amount of data, any display technology will fail. Even sap programs fail, their wise solution is to ask user to restrict data to be displayed. Or reduce database selection time, or display amount. Or propose the user to download data as a spool, or output to a file on server.
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How to create a custom control of a button where the look will be applied to all others but not the Boolean text?

Hi all
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Solved!
Go to Solution.

Steve Chandler wrote:
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Hi All,
In my Module pool screen I have a Custom Control box for providing some free text as input. Now, there is no limit in the number of rows allowed for this box.
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By "Custom Control Box", do you mean a Custom Container or a Table Control?
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Using a Meter control in LV Touch Panel, and using shared variables that are custom controls.

I Just started using LV touch Panel module with an NI TPC-2106.
I have two differenct problems:
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Ipshita_C,
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Attachments:
test 2.vi ‏10 KB

How to have custom control in DataGridView display object's value?

I have a sample project located
here
The project has a main form `Form1` where the user can enter customers in a datagridview. The `CustomerType` column is a custom control and when the user clicks the button, a search form `Form2` pops up.
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get { return base.CellTemplate; }
set
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throw new InvalidCastException("Should be CustomerTypeCell.");
base.CellTemplate = value;
The cell class:
public class CustomerTypeCell : DataGridViewTextBoxCell
public CustomerTypeCell()
: base()
public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);
CustomerTypeSearch ctl = DataGridView.EditingControl as CustomerTypeSearch;
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get { return typeof(CustomerTypeSearch); }
public override Type ValueType
get { return typeof(CustomerType); }
public override object DefaultNewRowValue
get { return null; }
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private DataGridView dataGridView;
private int rowIndex;
private bool valueChanged = false;
private CustomerType value;
public CustomerTypeSearch()
InitializeComponent();
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get { return this.value; }
set
this.value = value;
if (value != null)
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private void buttonSearch_Click(object sender, EventArgs e)
Form2 f = new Form2();
DialogResult dr = f.ShowDialog(this);
if (dr == DialogResult.OK)
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get
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set
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this.BorderStyle = BorderStyle.None;
this.Font = dataGridViewCellStyle.Font;
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get { return rowIndex; }
set { rowIndex = value; }
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//No preparation needs to be done
public bool RepositionEditingControlOnValueChange
get { return false; }
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get { return dataGridView; }
set { dataGridView = value; }
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get { return valueChanged; }
set { valueChanged = value; }
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get { return base.Cursor; }
#endregion
private void CustomerTypeSearch_Resize(object sender, EventArgs e)
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textBoxSearch.Width = buttonSearch.Left;
However, the `DataGridView` is not displaying the text and it also is not keeping the `CustomerType` value for each cell.
What am I missing?
Marketplace: [url=http://tinyurl.com/75gc58b]Itza[/url] - Review: [url=http://tinyurl.com/ctdz422]Itza Update[/url]

Hello,
1. To display the text, we need to override the ToString method for CustomerType
public class CustomerType
public int Id { get; set; }
public string Description { get; set; }
public CustomerType(int id, string description)
this.Id = id;
this.Description = description;
public override string ToString()
return this.Description.ToString();
2. To get the cell's value changed, we could pass the cell instance to that editing control and get its value changed with the following way.
public partial class CustomerTypeSearch : UserControl, IDataGridViewEditingControl
private DataGridView dataGridView;
private int rowIndex;
private bool valueChanged = false;
private CustomerTypeCell currentCell = null;
public CustomerTypeCell OwnerCell
get { return currentCell; }
set
currentCell = null;
currentCell = value;
public CustomerTypeSearch()
InitializeComponent();
private void buttonSearch_Click(object sender, EventArgs e)
Form2 f = new Form2();
DialogResult dr = f.ShowDialog(this);
if (dr == DialogResult.OK)
currentCell.Value = f.SelectedValue;
this.textBoxSearch.Text = f.SelectedValue.Description;
#region IDataGridViewEditingControl implementation
public object EditingControlFormattedValue
get
if (this.currentCell.Value != null)
return (this.currentCell.Value as CustomerType).Description;
else
return null;
set
if (this.currentCell != null)
(this.currentCell.Value as CustomerType).Description = (string)value;
public object GetEditingControlFormattedValue(DataGridViewDataErrorContexts context)
return EditingControlFormattedValue;
public void ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle)
this.BorderStyle = BorderStyle.None;
this.Font = dataGridViewCellStyle.Font;
public int EditingControlRowIndex
get { return rowIndex; }
set { rowIndex = value; }
public bool EditingControlWantsInputKey(Keys key, bool dataGridViewWantsInputKey)
return false;
public void PrepareEditingControlForEdit(bool selectAll)
//No preparation needs to be done
public bool RepositionEditingControlOnValueChange
get { return false; }
public DataGridView EditingControlDataGridView
get { return dataGridView; }
set { dataGridView = value; }
public bool EditingControlValueChanged
get { return valueChanged; }
set { valueChanged = value; }
public Cursor EditingPanelCursor
get { return base.Cursor; }
#endregion
private void CustomerTypeSearch_Resize(object sender, EventArgs e)
buttonSearch.Left = this.Width - buttonSearch.Width;
textBoxSearch.Width = buttonSearch.Left;
Cell:
public class CustomerTypeCell : DataGridViewTextBoxCell
public CustomerTypeCell()
: base()
public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);
CustomerTypeSearch ctl = DataGridView.EditingControl as CustomerTypeSearch;
ctl.OwnerCell = this;
public override Type EditType
get { return typeof(CustomerTypeSearch); }
public override Type ValueType
get { return typeof(CustomerType); }
public override object DefaultNewRowValue
get { return null; }
Result:
Regards,
Carl
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Problem with custom control and focus

I've a problem with the focus in a custom control that contains a TextField and some custom nodes.
If i create a form with some of these custom controls i'm not able to navigate through these fields by using the TAB key.
I've implemented a KeyEvent listener on the custom control and was able to grab the focus and forward it to the embedded TextField by calling requestFocus() on the TextField but the problem is that the TextField won't get rid of the focus anymore. Means if i press TAB the first embedded TextField will get the focus, after pressing TAB again the embedded TextField in the next custom control will get the focus AND the former focused TextField still got the focus!?
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Any idea how to do this ?

Here you go, it contains the control, skin and behavior of the custom control, the css file and a test file that shows the problem...
control:
import javafx.scene.control.Control;
import javafx.scene.control.TextField;
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}skin:
import com.sun.javafx.scene.control.skin.SkinBase;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
public class TestInputSkin extends SkinBase<TestInput, TestInputBehavior> {
    private TestInput control;
    private TextField textField;
    private boolean   initialized;
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        super(CONTROL, new TestInputBehavior(CONTROL));
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        textField   = control.getTextField();
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        init();
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        initialized = true;
        paint();
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        if (!initialized) {
            init();
        getChildren().clear();
        getChildren().addAll(textField);
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        control = null;
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import com.sun.javafx.scene.control.behavior.BehaviorBase;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
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import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
public class Test extends Application {
    TestInput input1;
    TestInput input2;
    TestInput input3;
    TextField input4;
    TextField input5;
    TextField input6;
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        input3 = new TestInput(3);
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        pane.add(input2, 1, 2);
        pane.add(input3, 1, 3);
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        pane.add(input5, 2, 2);
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        STAGE.setTitle("Test");
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        STAGE.show();
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The test app shows three custom controls on the left column and three standard textfields on the right column. If you press TAB you will see what i mean...

Update of custom control

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CLEAR IT_DATA[].
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In custom control , I wnt to save the layout with variant -

Hi,
In custom control , I want to save the layout using variant and i want to choose the layout from the variant
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Rerards,
Rani

Hello Rani
I assume you have an ALV grid displayed within a custom control. For this ALV grid you want to be able to save layouts.
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Uwe

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I'm building a custom control (extending Canvas) which should present a chartflow diagram (nodes and connectors). It will be feeded through databinding and a dependency property (ItemSource). The control will generate:
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2. Connectors (lines) between each and every node
3. An adornerlayer on most of the nodes
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Please don't ask several questions in the same thread. Your original question was about where to add the visual elements when creating a custom Panel and now you are asking about adorners. Please close the thread by marking all helpful posts as answer when
your original quesion has been answered and then start a new thread if you have a new question.
Please refer to the following page for more information about adorners:
https://msdn.microsoft.com/en-us/library/ms743737(v=vs.110).aspx
Sorry but no, my original question was about where to place creation code for:
1. Node-items (based on ItemSource)
2. Connectors (lines) between each and every node
3.
An adornerlayer
on most of the nodes
Since you cant create adorners immediately after you have added a new elemented to the visual tree (and before the layout pass) your previous
answer was appreciated, but not sufficient.

How do you create a custom control which has several buttons?

Can you do this in LabView?
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I want the front panel of the main VI to have the buttons on it, and I don't want the buttons to appear in a separate window.
If I place all of the buttons individually on the front panel of the main VI and pass their references to the subVI, I end up with tons and tons of variables in the main VI block diagram. It works but is very very messy.
I tried to create a custom control with a cluster of buttons in it, but I can't seem to get at the individual property nodes. Is it possible?
(*sighs* I wanna Class!)
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jen

Hi Jen
Yes it is possible to get the individual property nodes of controls that are in a cluster.
You have a property Controls[] in the property node of the cluster, so you get an array of control references. You just have to extract the single references to access the controls.
I attached a screen-shot, which shows this possibility.
Hope it helps.
Thomas
Using LV8.0
Don't be afraid to rate a good answer...
Attachments:
Cluster.jpg ‏11 KB

HTML Client: How to get the content/value of a custom control?

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