11/11/2022 0 Comments Zen bound 2 mouse cursor missingData drag works only if the control where the drag began has its dragEnabled attribute set to true.Ī data drop onto a control occurs when the user releases the mouse button following a drag operation from another control. If a control has multiple values, such as a list that presents several items, then the captured value is the value of the list item where the cursor was positioned when the user clicked the mouse button. If the logical value and displayed value are different, this difference is preserved when the data is captured. Data drag captures the current value of the control where the drag operation began. On the client side, do not access this property directly instead use the getValue and setValue client-side methods.Īll Zen controls support data drag and drop functionality as follows:ĭata drag and drop features work only if the containing has its dragAndDrop attribute set to true.Ī data drag from a control occurs when the user clicks the mouse button down while the cursor is positioned on the control, then moves the mouse away from the control while still holding down the button. (End of the list of attributes that identify event handlers.) This gives controls a chance to supply or modify the value they submit.įired when this control’s value is validated by its parent form. There is a corresponding onkeyup for when the user releases the key.įired after the user has pressed a key (that is, the user has pushed down and then released the key) while this control has focus.įired when a key is released while this control has focus.įired when a mouse button is released while within the area of the control.įired when the mouse pointer leaves the area of the control.įired when the mouse pointer enters the area of the control.įired when a mouse button is pressed while within the area of the control.įired when the form this control belongs to is submitted. Note that controls fire this event indirectly the actual onchange event is sent to a built-in handler that notifies the form that owns this control of the modification.įired when the mouse is clicked on the control.įired when the mouse is double-clicked on the control.įired when the user presses down on a key while this control has focus. See “ Zen Component Event Handlers.”įired when the value of the control changes. Zen invokes the handler when the related event occurs. The next several attributes in this table (names beginning with “on.”) identify event handlers for user actions relating to a control. Identifies variations in layout, style, and behavior for different categories of control:Īll Zen controls have the following attributes in common. Zen validates and submits all the control values for a form together, as a unit, according to the rules described in the chapter “ Zen Forms.”ĭescribes characteristics shared by all Zen controls: Each control has the ability to display this value or keep it internally. value is a property that contains the current logical value of the control. Most importantly, each control has a value associated with it. All controls are Zen components, but Zen controls also have unique characteristics derived from their parent class % Opens in a new tab. Zen controls are the user input elements that you place on a Zen form.
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