public void Scroll(ScrollAmount horizontal, int hTimes, ScrollAmount vertical, int vTimes)
{
object obj;
pElement.GetCurrentPattern(UIA_ScrollPatternId, out obj);
try {
if (obj == null)
{
return;
}
IUIAutomationScrollPattern scrollPattern = obj as IUIAutomationScrollPattern;
while (hTimes > 0 || vTimes > 0)
{
scrollPattern.Scroll(
hTimes > 0 ? horizontal : ScrollAmount.NoAmount,
vTimes > 0 ? vertical : ScrollAmount.NoAmount);
--hTimes;
--vTimes;
}
}
catch (COMException) {
}
finally {
if (obj != null)
{
Marshal.ReleaseComObject(obj);
}
}
}
protected override void Dispose(bool disposing)
{
if (Pattern != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(Pattern);
this.Pattern = null;
}
base.Dispose(disposing);
}
public ScrollPattern(A11yElement e, IUIAutomationScrollPattern p) : base(e, PatternType.UIA_ScrollPatternId)
{
Pattern = p;
PopulateProperties();
}
internal static ScrollPattern Wrap(
AutomationElement element,
IUIAutomationScrollPattern scrollPattern)
{
return(new ScrollPattern(element: element, scrollPattern: scrollPattern));
}
ScrollPattern(AutomationElement element, IUIAutomationScrollPattern scrollPattern)
: base(el: element)
{
this._scrollPattern = scrollPattern;
}
private ScrollPattern(AutomationElement el, IUIAutomationScrollPattern pattern, bool cached)
: base(el, cached)
{
Debug.Assert(pattern != null);
this._pattern = pattern;
}
