This form is opened from the Change Button Image option on the context menu when customizing custom toolbar items.
Button Editor
You can either design your own button image using the available colours and the cursor or you can import a bitmap file.
Ok
Press this button to accept the image and close the form.
Cancel
Press this button to ignore the changes you have made to the image and close the form.
Clear
Press this button to clear the image and return to the blank picture, as shown above.
Load
Press this button to load the required image file.
Preview
A preview of the enabled and disabled button images is displayed here.
NOTE: The pen colour shown at the bottom left corner of the picture is used to define the transparency colour.