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Why does "MinTimeRulerExtent" change "VisibleRangeChangedCommand" execute?

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ScheduleView

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samin asked on 16 May 2011, 01:26 PM

Hi,
When user change one of "MinTimeRulerExtent" or "MinorTickLength" or "MajorTickLength" VisibleRangeChangedCommand executed!
I load appointment in lazy mode. so each change causes to load appointment again.....

when VisibleRange doesn't change.....why VisibleRangeChangedCommand execute!

<telerik:RadDropDownButton Width="30" Height="22" telerik:StyleManager.Theme="Office_Blue" >

<telerik:RadDropDownButton.Content>

<Image Source="../../AppResources/Images/Scheduler/fugue _node_deselect_16x16.png" />

</telerik:RadDropDownButton.Content>

<telerik:RadDropDownButton.DropDownContent>

<Grid x:Name="PopupRoot">

<Path Data="M7.0710683,0 L14.142137,7.0710683 L0,7.0710683 z" Fill="#FFF4F4F4" HorizontalAlignment="Left" Height="7.071" Margin="10,-6,0,0" Stretch="Fill" UseLayoutRounding="False" VerticalAlignment="Top" Width="14.142">

<Path.Effect>

<DropShadowEffect Direction="90" Opacity="0.4" ShadowDepth="1" BlurRadius="0"/>

</Path.Effect>

</Path>

<StackPanel FlowDirection="RightToLeft">

<TextBlock Text="بزرگنمايي: " VerticalAlignment="Center" Margin="8" />

<Slider Minimum="{Binding ActualHeight, ElementName=radScheduler}" Maximum="5000" Margin="8 0 8 10"

VerticalAlignment="Center"

Value="{Binding ActiveViewDefinition.MinTimeRulerExtent, ElementName=radScheduler, Mode=TwoWay,FallbackValue=100}" />

<TextBlock Text="زمان بازه هاي فرعي: " VerticalAlignment="Center" Margin="8" />

<telerik:RadComboBox Margin="8 0 8 15" VerticalAlignment="Center" SelectedIndex="0"

SelectedItem="{Binding ActiveViewDefinition.MinorTickLength, ElementName=radScheduler, Mode=TwoWay}">

<telerik:RadComboBox.ItemTemplate>

<DataTemplate>

<TextBlock Text="{Binding ., Converter={StaticResource TickConverter}}" />

</DataTemplate>

</telerik:RadComboBox.ItemTemplate>

<scheduleView:AutomaticTickLengthProvider />

<scheduleView:FixedTickLengthProvider TickLength="0:1" />

<scheduleView:FixedTickLengthProvider TickLength="0:5" />

<scheduleView:FixedTickLengthProvider TickLength="0:10" />

<scheduleView:FixedTickLengthProvider TickLength="0:15" />

<scheduleView:FixedTickLengthProvider TickLength="0:30" />

<scheduleView:FixedTickLengthProvider TickLength="1:00" />

</telerik:RadComboBox>

<TextBlock Text="زمان بازه هاي اصلي: " VerticalAlignment="Center" Margin="8" />

<telerik:RadComboBox Margin="8 0 8 10" VerticalAlignment="Center" SelectedIndex="0"

SelectedItem="{Binding ActiveViewDefinition.MajorTickLength, ElementName=radScheduler, Mode=TwoWay}">

<telerik:RadComboBox.ItemTemplate>

<DataTemplate>

<TextBlock Text="{Binding ., Converter={StaticResource TickConverter}}" />

</DataTemplate>

</telerik:RadComboBox.ItemTemplate>

<scheduleView:AutomaticTickLengthProvider />

<scheduleView:FixedTickLengthProvider TickLength="0:30" />

<scheduleView:FixedTickLengthProvider TickLength="1:00" />

<scheduleView:FixedTickLengthProvider TickLength="3:00" />

<scheduleView:FixedTickLengthProvider TickLength="6:00" />

<scheduleView:FixedTickLengthProvider TickLength="12:00" />

<scheduleView:FixedTickLengthProvider TickLength="1.00:00" />

</telerik:RadComboBox>

</StackPanel>

</Grid>

</telerik:RadDropDownButton.DropDownContent>

</telerik:RadDropDownButton>

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