Created
July 13, 2012 16:33
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Disable DevExpress MapControl animation using reflection
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/// <summary> | |
/// Uses reflection to disable the UseSprings dependency property which is read-only on map layers. | |
/// This will stop animations from occurring when the center point or zoom level of the map is changed. | |
/// </summary> | |
/// <param name="map">The map control to disable the animations for.</param> | |
/// <remarks> | |
/// Note that this method disables the UseSprings property in the layers currently added to the map. If | |
/// new layers are added, this method will need to be called again. | |
/// </remarks> | |
public static void DisableAnimation( this MapControl map ) | |
{ | |
try { | |
Type layerBaseType = typeof( DevExpress.Xpf.Map.LayerBase ); | |
FieldInfo useSpringsField = layerBaseType.GetField( "UseSpringsPropertyKey", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public ); | |
if ( useSpringsField != null ) { | |
var useSpringsPropertyKey = (System.Windows.DependencyPropertyKey)useSpringsField.GetValue( null ); | |
foreach ( var layer in map.Layers ) { | |
layer.SetValue( useSpringsPropertyKey, false ); | |
} | |
} | |
} | |
catch ( Exception error ) { | |
throw new InvalidOperationException( "Error disabling map animations. Reflection is fragile.", error ); | |
} | |
} |
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