本文整理匯總了C#中System.Windows.Automation.ScrollPattern.ScrollVertical方法的典型用法代碼示例。如果您正苦於以下問題：C# ScrollPattern.ScrollVertical方法的具體用法？C# ScrollPattern.ScrollVertical怎麽用？C# ScrollPattern.ScrollVertical使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了ScrollPattern.ScrollVertical方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: GetScrollPattern
///--------------------------------------------------------------------
/// <summary>
/// Obtains a ScrollPattern control pattern from an
/// automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A ScrollPattern object.
/// </returns>
///--------------------------------------------------------------------
private ScrollPattern GetScrollPattern(
AutomationElement targetControl)
{
ScrollPattern scrollPattern = null;
try
{
scrollPattern =
targetControl.GetCurrentPattern(
ScrollPattern.Pattern)
as ScrollPattern;
}
// Object doesn't support the ScrollPattern control pattern
catch (InvalidOperationException)
{
return null;
}
return scrollPattern;
}示例2: ScrollElementVertically
///--------------------------------------------------------------------
/// <summary>
/// Obtains a ScrollPattern control pattern from an automation
/// element and attempts to horizontally scroll the requested amount.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <param name="vScrollAmount">
/// The requested vertical scroll amount.
/// </param>
///--------------------------------------------------------------------
private void ScrollElementVertically(
AutomationElement targetControl,
ScrollAmount vScrollAmount)
{
if (targetControl == null)
{
throw new ArgumentNullException(
"AutomationElement argument cannot be null.");
}
ScrollPattern scrollPattern = GetScrollPattern(targetControl);
if (scrollPattern == null)
{
return;
}
if (!scrollPattern.Current.VerticallyScrollable)
{
return;
}
try
{
scrollPattern.ScrollVertical(vScrollAmount);
}
catch (InvalidOperationException)
{
// Control not able to scroll in the direction requested;
// when scrollable property of that direction is False
// TO DO: error handling.
}
catch (ArgumentException)
{
// If a control supports SmallIncrement values exclusively
// for horizontal or vertical scrolling but a LargeIncrement
// value (NaN if not supported) is passed in.
// TO DO: error handling.
}
}