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Picker.invalidString Property
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Gets or sets the string to display when the input is invalid.

Namespace: MindFusion.Common.UI
File: Picker.js

 Syntax

JavaScript  Copy Code

get invalidString() {}

 Property Value

String. The display string.

 Example

The following code creates an ImagePicker with an initial list of 3 images and handles its valueChanging event. The image picker does not allow empty values and its buttons are rendered inside the input element:

JavaScript  Copy Code

var u = MindFusion.Common.UI;

var imagePicker = u.ImagePicker(document.getElementById("image_picker"));
imagePicker.imageList = ["my-folder/myImage.png", "my-folder1/myImage1.png", "my-folder2/myImage2.png"];
impagePicker.allowEmptyInput = false;
imagePicker.buttonStyle = imagePicker.clearButtonStyle = u.PickerButtonStyle.Inline;
imagePicker.dropdownOffset = new MindFusion.Drawing.Point(10, 10);
imagePicker.invalidString = "Please, provide a valid image URL";

imagePicker.valueChanging.addEventListener(handleValueChanging);

function handleValueChanging(sender, args)
{
    //check the replaced image
    if(args.oldValue.url != "my-folder/myImage.png")
    {
       args.cancel = true;
    }
}

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