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C# Base.DragAndDrop_HoverEnter方法代码示例

本文整理汇总了C#中Gwen.Control.Base.DragAndDrop_HoverEnter方法的典型用法代码示例。如果您正苦于以下问题:C# Base.DragAndDrop_HoverEnter方法的具体用法?C# Base.DragAndDrop_HoverEnter怎么用?C# Base.DragAndDrop_HoverEnter使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gwen.Control.Base的用法示例。


在下文中一共展示了Base.DragAndDrop_HoverEnter方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: UpdateHoveredControl

        private static void UpdateHoveredControl(Base control, int x, int y)
        {
            //
            // We use this global variable to represent our hovered control
            // That way, if the new hovered control gets deleted in one of the
            // Hover callbacks, we won't be left with a hanging pointer.
            // This isn't ideal - but it's minimal.
            //
            m_NewHoveredControl = control;

            // Nothing to change..
            if (HoveredControl == m_NewHoveredControl)
                return;

            // We changed - tell the old hovered control that it's no longer hovered.
            if (HoveredControl != null && HoveredControl != m_NewHoveredControl)
                HoveredControl.DragAndDrop_HoverLeave(CurrentPackage);

            // If we're hovering where the control came from, just forget it.
            // By changing it to null here we're not going to show any error cursors
            // it will just do nothing if you drop it.
            if (m_NewHoveredControl == SourceControl)
                m_NewHoveredControl = null;

            // Check to see if the new potential control can accept this type of package.
            // If not, ignore it and show an error cursor.
            while (m_NewHoveredControl != null && !m_NewHoveredControl.DragAndDrop_CanAcceptPackage(CurrentPackage))
            {
                // We can't drop on this control, so lets try to drop
                // onto its parent..
                m_NewHoveredControl = m_NewHoveredControl.Parent;

                // Its parents are dead. We can't drop it here.
                // Show the NO WAY cursor.
                if (m_NewHoveredControl == null)
                {
                    Platform.Neutral.SetCursor(Cursors.No);
                }
            }

            // Become out new hovered control
            HoveredControl = m_NewHoveredControl;

            // If we exist, tell us that we've started hovering.
            if (HoveredControl != null)
            {
                HoveredControl.DragAndDrop_HoverEnter(CurrentPackage, x, y);
            }

            m_NewHoveredControl = null;
        }
开发者ID:BreyerW,项目名称:Sharp.Engine,代码行数:51,代码来源:DragAndDrop.cs


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