Enumerations
13 enums defining constants used across the LiteView2 API
Note
Flag enums (marked with Flags) can be combined using bitwise OR.
LiteView2BrowsingDataKinds Flags
Bitfield flags for ClearBrowsingData. Combine with OR (e.g., LV2_DATA_COOKIES Or LV2_DATA_CACHE_STORAGE).
| Constant | Value | Description |
|---|---|---|
| LV2_DATA_FILE_SYSTEMS | 1 | File systems |
| LV2_DATA_INDEXED_DB | 2 | IndexedDB |
| LV2_DATA_LOCAL_STORAGE | 4 | Local storage |
| LV2_DATA_WEB_SQL | 8 | Web SQL |
| LV2_DATA_CACHE_STORAGE | 16 | Cache storage |
| LV2_DATA_DOM_STORAGE | 32 | DOM storage |
| LV2_DATA_COOKIES | 64 | Cookies |
| LV2_DATA_ALL_SITE | 128 | All site data |
| LV2_DATA_DISK_CACHE | 256 | Disk cache |
| LV2_DATA_DOWNLOAD_HISTORY | 512 | Download history |
| LV2_DATA_GENERAL_AUTOFILL | 1024 | Autofill data |
| LV2_DATA_PASSWORD_AUTOSAVE | 2048 | Saved passwords |
| LV2_DATA_BROWSING_HISTORY | 4096 | Browsing history |
| LV2_DATA_SETTINGS | 8192 | Settings |
| LV2_DATA_ALL_PROFILE | 16384 | All profile data |
' Clear cookies and cache
m_lv.ClearBrowsingData LV2_DATA_COOKIES Or LV2_DATA_CACHE_STORAGELiteView2ResourceContext
Resource types for AddWebResourceRequestedFilter.
| Constant | Value | Description |
|---|---|---|
| LV2_RESOURCE_ALL | 0 | All resources |
| LV2_RESOURCE_DOCUMENT | 1 | HTML documents |
| LV2_RESOURCE_STYLESHEET | 2 | CSS |
| LV2_RESOURCE_IMAGE | 3 | Images |
| LV2_RESOURCE_MEDIA | 4 | Audio/Video |
| LV2_RESOURCE_FONT | 5 | Web fonts |
| LV2_RESOURCE_SCRIPT | 6 | JavaScript |
| LV2_RESOURCE_XHR | 7 | XMLHttpRequest |
| LV2_RESOURCE_FETCH | 8 | Fetch API |
| LV2_RESOURCE_TEXTTRACK | 9 | WebVTT |
| LV2_RESOURCE_EVENTSOURCE | 10 | Server-sent events |
| LV2_RESOURCE_WEBSOCKET | 11 | WebSocket |
| LV2_RESOURCE_MANIFEST | 12 | Web App manifests |
| LV2_RESOURCE_OTHER | 13 | Other |
LV2_FOCUS_REASON
Specifies the reason for a focus change.
| Constant | Value | Description |
|---|---|---|
| LV2_FOCUS_TABFORWARD | 0 | Tab forward |
| LV2_FOCUS_TABBACKWARD | 1 | Tab backward |
| LV2_FOCUS_PROGRAMMATIC | 2 | Programmatic focus |
LV2_POPUP_MODE
Controls how popup windows are handled.
| Constant | Value | Description |
|---|---|---|
| LV2_POPUP_ALLOW | 0 | Allow popups |
| LV2_POPUP_BLOCK | 1 | Block popups |
| LV2_POPUP_SAME_WINDOW | 2 | Open in same window |
LV2_LICENSE_STATE
Indicates the current license status.
| Constant | Value | Description |
|---|---|---|
| LV2_LICENSE_VALID | 0 | License valid |
| LV2_LICENSE_TRIAL | 1 | Trial mode |
| LV2_LICENSE_EXPIRED | 2 | License expired |
| LV2_LICENSE_INVALID | 3 | Invalid license |
LV2_COLOR_SCHEME
Sets the preferred color scheme for web content.
| Constant | Value | Description |
|---|---|---|
| LV2_COLOR_AUTO | 0 | Follow system |
| LV2_COLOR_LIGHT | 1 | Force light |
| LV2_COLOR_DARK | 2 | Force dark |
LV2_PRINT_ORIENTATION
Page orientation for printing and PDF export.
| Constant | Value | Description |
|---|---|---|
| LV2_PRINT_PORTRAIT | 0 | Portrait |
| LV2_PRINT_LANDSCAPE | 1 | Landscape |
LV2_TRACKING_PREVENTION
Tracking prevention level for the browser profile.
| Constant | Value | Description |
|---|---|---|
| LV2_TRACKING_NONE | 0 | No prevention |
| LV2_TRACKING_BASIC | 1 | Basic |
| LV2_TRACKING_BALANCED | 2 | Balanced |
| LV2_TRACKING_STRICT | 3 | Strict |
LV2_MEMORY_USAGE
Memory usage target level.
| Constant | Value | Description |
|---|---|---|
| LV2_MEMORY_NORMAL | 0 | Normal |
| LV2_MEMORY_LOW | 1 | Low memory target |
LV2_SCROLLBAR_STYLE
Scrollbar rendering style.
| Constant | Value | Description |
|---|---|---|
| LV2_SCROLLBAR_DEFAULT | 0 | Default scrollbar |
| LV2_SCROLLBAR_FLUENT_OVERLAY | 1 | Fluent overlay |
LV2_DOWNLOAD_DIALOG_CORNER_ALIGNMENT
Corner alignment for the download dialog.
| Constant | Value | Description |
|---|---|---|
| LV2_DOWNLOAD_CORNER_TOP_LEFT | 0 | Top left |
| LV2_DOWNLOAD_CORNER_TOP_RIGHT | 1 | Top right |
| LV2_DOWNLOAD_CORNER_BOTTOM_LEFT | 2 | Bottom left |
| LV2_DOWNLOAD_CORNER_BOTTOM_RIGHT | 3 | Bottom right |
LV2_PDF_TOOLBAR_ITEMS Flags
Bitfield flags for controlling PDF viewer toolbar visibility.
| Constant | Value | Description |
|---|---|---|
| LV2_PDF_NONE | 0 | No items |
| LV2_PDF_SAVE | 1 | Save button |
| LV2_PDF_PRINT | 2 | Print button |
| LV2_PDF_SAVE_AS | 4 | Save As button |
| LV2_PDF_ZOOM_IN | 8 | Zoom In button |
| LV2_PDF_ZOOM_OUT | 16 | Zoom Out button |
' Hide Save and Print buttons from PDF toolbar
m_lv.HiddenPdfToolbarItems = LV2_PDF_SAVE Or LV2_PDF_PRINTLV2_BOUNDS_MODE
Controls how bounds coordinates are interpreted when embedding the browser.
| Constant | Value | Description |
|---|---|---|
| LV2_BOUNDS_RAW_PIXELS | 0 | Bounds are specified in raw pixels (default). The WebView2 control is positioned using raw pixel coordinates regardless of DPI scaling. |
| LV2_BOUNDS_RASTERIZATION_SCALE | 1 | Bounds use the rasterization scale. Coordinates are automatically adjusted for the current DPI/scaling factor of the display. |
' Use DPI-aware bounds
pool.SetBoundsMode browserIndex, LV2_BOUNDS_RASTERIZATION_SCALE