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Update MapItem.WinUI.cs

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ClemensFischer 2025-03-19 17:18:24 +01:00
parent 1bb03e1102
commit b708b817fd
1 changed files with 5 additions and 3 deletions
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8
MapControl/WinUI/MapItem.WinUI.cs
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@ -32,7 +32,7 @@ namespace MapControl
// PointerReleased in order to possibly cancel item selection.
//
private const float pointerMovementThreshold = 2f;
private Windows.Foundation.Point pointerPressedPosition;
private Windows.Foundation.Point? pointerPressedPosition;
public MapItem()
{
@ -51,8 +51,9 @@ namespace MapControl
{
var p = e.GetCurrentPoint(null).Position;
if (Math.Abs(p.X - pointerPressedPosition.X) <= pointerMovementThreshold &&
Math.Abs(p.Y - pointerPressedPosition.Y) <= pointerMovementThreshold &&
if (pointerPressedPosition.HasValue &&
Math.Abs(p.X - pointerPressedPosition.Value.X) <= pointerMovementThreshold &&
Math.Abs(p.Y - pointerPressedPosition.Value.Y) <= pointerMovementThreshold &&
ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
{
if (mapItemsControl.SelectionMode == SelectionMode.Extended &&
@ -66,6 +67,7 @@ namespace MapControl
}
}
pointerPressedPosition = null;
e.Handled = true;
}