WP 7 Map control mouse move event bug in Aerial map mode

WP 7 Map control mouse move event bug in Aerial map mode by soleon

Closed

as External Help for as External

Type:	Bug
ID:	649846
Opened:	3/6/2011 8:18:04 PM
Access Restriction:	Public

Workaround(s)

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User(s) can reproduce this bug

The MouseMove event only fires intermittently in Aerial map mode of the Map control for WP7. This problem is very obvious when mouse/finger movement speed is fast. When moving slowly, the event generally fires properly.

This could be a blocking issue for apps that implements drag and drop feature for Pushpins on the map in Aerial mode.

Note, this issue is different and has nothing to do with the MapPan event.

Details (expand)

Windows Phone Developer Tools

Reliability

1. Start a new WP7 project.
2. Add a Microsoft.Phone.Controls.Maps.Map in root grid:

<my:Map MouseMove="Map_MouseMove" Mode="Aerial"/>

3. Add a debug text box after the map:

<TextBlock x:Name="Debug" Foreground="Red" IsHitTestVisible="False" HorizontalAlignment="Right" VerticalAlignment="Bottom"/>

4. Set Mode="Aerial" for the map.
5. In the Map_MouseMove event handler, simply update the debug text block:

int i = 0;
private void Map_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
Debug.Text = i++.ToString();
}

Text of the debug text block only updates intermittently, especially when mouse/finger movement is fast. The event fires correctly if movement is very slow. This problem does not happen in Road mode.

English

Windows 7

English

When mouse/finger is moving fast, the MouseMove event only fires intermittently in Aerial map mode of the Map control for WP7.

The MouseMove event should fire all the time regardless the movement speed of the mouse/finger.

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