ViewInfo Code Samples

• Test if a level is displayed in a view

Test if a level is displayed in a view

//  Call this ONCE, BEFORE TESTING LEVELS in any view to make sure that level masks are up-to-date.
if (call this once)
    {
    viewGroup.EnsureLevelMaskCoverage (attachment);
    }

//  Call this to test if elements are displayed through an attachment in a view
int iView = ?
ViewInfoCR viewInfo = viewGroup.GetViewInfo (iView).

bool isDisplayed;
if (viewInfo.GetEffectiveLevelDisplay (isDisplayed, attachment, level.GetLevelId()) != VI_Success)
    isDisplayed = false;   // attachment is not displayed in view