WPF : Effective Tool tip text for Label control

<Label Grid.Row="2" Grid.Column="0" Cursor="Hand">

            ClassFunda Examhall

            <Label.ToolTip>

                <ToolTip Background="White" HasDropShadow="False">

                    <StackPanel>

                        <TextBlock>

                        Peoduct Of BeanMatrix Info Services Private Limited

                        </TextBlock>

                        <Image Height="70">           <Image.Source>http://www.beanmatrix.com/images/BeanMatrix.png</Image.Source>

                        </Image>

                        <Border Width="1" BorderBrush="Gray"></Border>

                    </StackPanel>

                </ToolTip>

            </Label.ToolTip>

        </Label>

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Output

WPF : Grid layout demo for spiting window screen partition

<Grid ShowGridLines="True">

        <Grid.RowDefinitions>

            <RowDefinition Height="100"></RowDefinition>

            <RowDefinition></RowDefinition>

            <RowDefinition Height="30"></RowDefinition>

        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>

            <ColumnDefinition ></ColumnDefinition>

        </Grid.ColumnDefinitions>

</Grid>

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split window in three row with first row has 100 px height and last row has 30 px height and middle row contain rest of all part of screen 

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<Grid ShowGridLines="True">

        <Grid.RowDefinitions>

            <RowDefinition></RowDefinition>

            <RowDefinition></RowDefinition>

        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>

            <ColumnDefinition ></ColumnDefinition>

            <ColumnDefinition ></ColumnDefinition>

        </Grid.ColumnDefinitions>

</Grid>

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Evenly split window screen into four part has two row and each row as two column

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<Grid ShowGridLines="True">

<Grid.RowDefinitions>

            <RowDefinition></RowDefinition>

       </Grid.RowDefinitions>

       <Grid.ColumnDefinitions>

            <ColumnDefinition Width="7*"></ColumnDefinition>

            <ColumnDefinition Width="2*"></ColumnDefinition>

       </Grid.ColumnDefinitions>      

</Grid>

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spit window in two column, column 1 has 7X width and column 2 has 2X width where X is multiple for screen spiting element work like as percentage  

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WPF : how to run window application in maximize form

It is very simple just add WindowState="Maximized" in window tag 

<Window x:Class="ObjDataProvider.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525" WindowState="Maximized">