Toolbar
The attributes and functions explained on this page can be found in the Toolbar category.
The controls in the toolbar can be used to interactively perform various actions that are otherwise only accessible via the attributes. Each element can be shown or hidden. In addition, the entire toolbar can be adjusted in height or completely hidden.
The positioning of the elements in the toolbar is fixed and cannot be customized. If such adjustments are nevertheless necessary, you can hide the corresponding elements, implement them yourself with your own controls and place them on the History Control toolbar.
The available toolbar elements from left to right are:

QueueIndex | Input value of the index for the choice or display of the specified history image when |
NavigationButtons | Buttons to go forward or back one image entry in the image history when |
NavigationEndButtons | Buttons to jump to the first or last image received in the history when |
FreezeButton | Button to pause the image update of the linked ImageWatch. The history functionality can only be used if |
DownloadButton | Button to trigger a browser-specific download of the currently displayed image in original size, see Image download. |
![]() | Functions also programmatically accessible Any action that is accessible through the interface elements of the toolbar is also accessible programmatically through the properties of the control. |
Size settings
The toolbar offers customization options for its own height via the ToolbarHeight
property and for the width of the input field of the index via QueueIndexWidth
. If the image list is hidden, the toolbar always has the same height as the control. The width of all buttons is automatically adjusted to the height of the toolbar so that they are square.
Internally, the ToolbarHeight
property is limited to a maximum of 150 pixels.
Background color
The background color of the toolbar is a semi-transparent white "rgba(255, 255, 255, 0.5)"
by default or R: 255, G: 255, B: 255, A: 127 and can be customized using the BarColor
property in the Colors category.