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Yes.
But is it possible ?
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Dear Friends.
I want to make a custom control for wpf that a custom combobox. I need to change combobox item drawing. how can I change it from code or access to XAML code of combobox in custom control project.
(I'm using this code for inherit combobox:
Public Class CustomControl1
Inherits ComboBox
)Regards.
Mehdi Ghiasi
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Generally if you think that you want to change the appearance/behaviour of a control in XAML by creating a subclass, this means that you're approaching the problem in the wrong way. As the standard WPF controls are "lookless", this means that you can change the template to suit your own purposes.
The only time that you should even consider inheriting is if you want to radically alter the behaviour of the underlying control - in other cases, you could consider implementing the functionality with Attached Properties/Attached Behaviours."WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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So, How can I make a Color Picker Combo Box (Color Picker Drop Down list) for my WPF Application? (I can make it in my program with both XAML and code. but in a class, I haven't XAML, how can I Change ItemTemplate of ComboBox? I've made this control for windows forms with DrawItem Event.)Regards.
Mehdi Ghiasi
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Dear Friends,
I have small Clarification with MVVM patten With Wpf
I have an User control "A.xaml" , and i am having all the Binding in ViewModel .. "AViewModel.cs" as septate class
i have no code in code behind file "a.cs"
now my problem is like these
in the user control i having 6 buttons, and i want property as "ButtonNo"
if i specify <Usercontrol:A ButtonNo =4/> in Main Window then i have to enable 1,2,3,4 buttons ...
( i know that by writing code in "a.cs" is possible .. but i do not want to write in code behind file .. i have to do it in "AViewModel.cs"
is it possible? if so how to do that?
)
Give me some idea..
By
Joe
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=>Joe<= wrote: i have to do it in "AViewModel.cs
Why? There is no law that states "thou shalt not code in code behind". If there was, it would have been invented by an idiot. Now, you can enable the buttons in a VM just by using a command and bind the Enabled property of the button to the CanExecute property on the command. If you want to see what this looks like, you can take a look at my article here[^]."WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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Hi friends,
Is there any way to get UIElement from its binded property name in wpf?
What i want is to focus the first control on the form which has error(error means invalid information).
i am using IDataErrorInfo here.
Thanks.
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I'm not aware of a simple way to achieve this. One way to do this would be to walk the Visual Tree, looking at the data binding on each element in the tree, and check to see if it has a binding that relates to the relevant property."WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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Hi everyone,
I am using Silverlight to create DashBoard. In one of my Dashboard i am using AgDataGrid(DevExpress.AgDataGrid) where it has datecolumn.
<grid:AgDataGridDateColumn FieldName="fldSODate" HeaderContent="Sales Order Date" PrepareCellDisplayElement="AgDataGridDateColumn_PrepareCellDisplayElement" >
<grid:AgDataGridDateColumn.CellDisplayTemplate>
<DataTemplate>
<TextBlock Text="{Binding CellValue, Converter={StaticResource DateConverter}, ConverterParameter=D}" />
</DataTemplate>
</grid:AgDataGridDateColumn.CellDisplayTemplate>
</grid:AgDataGridDateColumn>
</grid:AgDataGrid.Columns>
i have done the above thing but still this is not working when i view the grid. The reason to use this AgDataGrid for Grouping purpose.
Please help me .modified on Thursday, March 4, 2010 11:33 PM
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Dear Friends.
I've making a wpf application. in a part of my program, I need some "windows forms" controls. I use WindowsFormsHost for using that controls. it work correctly, but the theme of controls (in windowsformshost) is windows classic. but I using Windows Aero (Windows 7).
Here is an Image of my Problem:
http://ghiasi.net/wpf.jpg[^]
How can i correct the theme of Windows Forms Controls in WPF Application?Regards.
Mehdi Ghiasi
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Windows Forms controls use a different method of rendering to WPF (they use GDI+). If you want the forms to have the theme, you'll either have to invest in a 3rd party control that does this or write your own theme management. Alternatively, you could use native WPF controls; for instance the colour drop down will be easily achieved by setting the display template for the control to show a coloured rectangle with a textblock beside it. The numeric spin control is included in a MS sample here[^]."WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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just call "System.Windows.Forms.Application.EnableVisualStyles();" in the constructor of your Window and it will fix it.
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Thanks a lot!!!!!!!! 
Regards.
Mehdi Ghiasi
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I thought you might like that answer better than the other guy's 
(no offence to the other guy)
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Hi,
I have created a Silverlight page and Default.html to host it. Here is the relevant HTML code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<!-- saved from url=(0014)about:internet --><head>
<title>Intribute Dynamics</title>
<style type="text/css">
html, body {
height: 100%;
overflow: auto;
}
body {
padding: 0;
margin: 0;
}
#silverlightControlHost {
height: 100%;
}
</style>
..........
<!-- Runtime errors from Silverlight will be displayed here.
This will contain debugging information and should be removed or hidden when debugging is completed -->
<div id='errorLocation' style="font-size: small;color: Gray;"></div>
<div id="silverlightControlHost">
<object data="data:application/x-silverlight," type="application/x-silverlight-2" width="1024px" height="1024px">
<param name="source" value="ClientBin/EntributeSilverlight.xap"/>
<param name="onerror" value="onSilverlightError" />
<param name="background" value="white" />
<param name="minRuntimeVersion" value="3.0.40624.0" />
<param name="autoUpgrade" value="true" />
<a href="http://go.microsoft.com/fwlink/?LinkID=149156&v=3.0.40624.0" style="text-decoration: none;">
<img src="http://go.microsoft.com/fwlink/?LinkId=108181" alt="Get Microsoft Silverlight" style="border-style: none"/>
</a>
</object><iframe id='_sl_historyFrame' style='visibility:hidden;height:0;width:0;border:0px'></iframe></div>
</body>
</html>
How can I place the Silverlight page at the center of the browser at all times, regardless of the size of my Silverlight page? I have tried some suggestions from my search on the web. Unfortunately none of them have worked.Best,
Jun
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How about this[^]
I know the language. I've read a book. - _Madmatt
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| Have tried that, w/o success. Best,
Jun
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Try setting the Verticalalignment and Horizontalalignment of your silverlight content to Center in the xaml.Me, I'm dishonest. And a dishonest man you can always trust to be dishonest.
Honestly. It's the honest ones you want to watch out for...
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Hi All.I am new to 3D graphics in wpf.
I have created few geometrymodel3d inside model3dgroup in wpf with rotation and zooming.It works fine.But i want to add text to each model such a way it should not rotate with the model.
Now i have added text,but it also rotates with the the model during rotations.
My requirement is text should move according to rotation of model but should not rotate.
(i.e) text should be at the front of 3d model at what position it may be rotated.
I think if i get the position of each model according to rotation and zoomin i can position the text,but am not sure whether there is a way to get the position of the model.
Could anybody tell,Any better idea to solve my problem?
Thanks in Advance.
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Hi i want to make one WPF control library applcaiton.
In that i will load images depends on the text.
So i used code like this
if (string.Compare(AlStatus,"HH")==0)
src1 = @"pack://application:,,,/WpfApp;component/data/HH.bmp";
else
src1 = @"pack://application:,,,/WpfApp;component/data/Normal.bmp";
.
.
Img1.Source = new ImageSourceConverter().ConvertFromString(src1) as ImageSource;
It works fine when i build this as windows applcaiton.
But when i convert it to control library and loaded in VC++ aplcaition,it shows error at bolded line as
Could not load file or assembly 'WpfApp, Culture=neutral' or one of its dependencies. The system cannot find the file specified.Anu
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I have a nested grid that I would like to have grow as needed when the grid splitter is moved. I am probably using the wrong layout. When the Window is expanded, the GridSplitter moves normally. When the Window is reduced horizontally, the horizontal scroll bar correctly appears and allows for viewing both lists, but the GridSplitter does not move at all.
I suspect this is because the nested Grid is only designed to fill the space, while maintaining a minimum size. The behavior I would like to see, is to have the cell immediately to the left of the GridSplitter expand or contract as it moves, leaving the sizes of the Grid cells to the right of the splitter untouched.
I attempted to use the DragDelta and DragCompleted events of the GridSplitter to affect the left cell, but that caused strange results.
Please let me know how I can ask this question more clearly. I have been a coder for nearly 2 decades, but never really focused on front end.
<Window x:Class="TestWpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Test WPF App" Height="300" Width="300">
<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition MinWidth="50"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid Grid.Column="0" Background="Black"></Grid>
<Grid Grid.Column="1">
<ScrollViewer HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Disabled">
<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition MinWidth="100"></ColumnDefinition>
<ColumnDefinition Width="3"></ColumnDefinition>
<ColumnDefinition MinWidth="100"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid Grid.Column="0">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView Margin="0,0" Name="listView1" SelectionMode="Single" />
</ScrollViewer>
</Grid>
<GridSplitter Background="Red" Grid.Column="1" Grid.Row="0"
Height="Auto" Width="Auto" HorizontalAlignment="Stretch"
VerticalAlignment="Stretch" />
<Grid Grid.Column="2">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView Margin="0,0" Name="listView2" SelectionMode="Single" />
</ScrollViewer>
</Grid>
</Grid>
</ScrollViewer>
</Grid>
</Grid>
</Window>Jeremy A. Cunningham
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XAML:
<Window x:Class="QuickWPFTest.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="500" Name="MyWin" Loaded="MyWin_Loaded">
<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition MinWidth="50"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid Grid.Column="0" Background="Black"></Grid>
<Grid Grid.Column="1" HorizontalAlignment="Stretch" Name="OuterGrid" SizeChanged="OuterGrid_SizeChanged">
<ScrollViewer HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Disabled">
<Grid HorizontalAlignment="Stretch" Name="InnerGrid">
<Grid.ColumnDefinitions>
<ColumnDefinition MaxWidth="{Binding MaxColumnWidth, ElementName=MyWin}"
Name="FirstColumn" MinWidth="100" Width="*"></ColumnDefinition>
<ColumnDefinition Width="3"></ColumnDefinition>
<ColumnDefinition MaxWidth="100" MinWidth="100"></ColumnDefinition>
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Grid Grid.Column="0">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView Margin="0,0" Name="listView1" SelectionMode="Single" />
</ScrollViewer>
</Grid>
<GridSplitter Background="Red" Grid.Column="1" Grid.Row="0"
Height="Auto" Width="Auto" HorizontalAlignment="Stretch"
VerticalAlignment="Stretch" />
<Grid Grid.Column="2">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView Margin="0,0" Name="listView2" SelectionMode="Single" />
</ScrollViewer>
</Grid>
</Grid>
</ScrollViewer>
</Grid>
</Grid>
</Window>
C#:
using System.ComponentModel;
using System.Windows;
namespace QuickWPFTest
{
public partial class Window1 : Window, INotifyPropertyChanged
{
public Window1()
{
InitializeComponent();
}
private void MyWin_Loaded(object sender, RoutedEventArgs e)
{
ChangeWidth();
}
private void OuterGrid_SizeChanged(object sender, SizeChangedEventArgs e)
{
OnPropertyChanged("MaxColumnWidth");
if (InnerGrid.ActualWidth > OuterGrid.ActualWidth)
{
ChangeWidth();
}
}
private void ChangeWidth()
{
double diff = InnerGrid.ActualWidth - OuterGrid.ActualWidth;
double newWidth = FirstColumn.ActualWidth - diff;
if (newWidth < 0) newWidth = 0;
FirstColumn.Width = new GridLength(newWidth);
}
public double MaxColumnWidth
{
get
{
return OuterGrid.ActualWidth - 100 - 3;
}
}
public event PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged(string name)
{
if (this.PropertyChanged != null)
{
this.PropertyChanged(this, new PropertyChangedEventArgs(name));
}
}
}
}
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I decided to use a StackPanel inside of the outer grid cell instead of nesting grids. I then created an image to sit directly to the right, and is used as a grabbing point to adjust the width. It works very well.
Thank you!Jeremy A. Cunningham
Quoth the Raven, "Shazbot!"
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<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition MinWidth="50"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid Grid.Column="0" Background="Black"></Grid>
<Grid Grid.Column="1">
<ScrollViewer HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Disabled">
<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition MinWidth="100"></ColumnDefinition>
<ColumnDefinition Width="103"></ColumnDefinition>
<ColumnDefinition Width="100" />
</Grid.ColumnDefinitions>
<Grid Grid.Column="0">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView Margin="0,0" Name="listView1" SelectionMode="Single" />
</ScrollViewer>
</Grid>
<Grid Grid.Column="1">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<ListView HorizontalAlignment="Stretch" Margin="3 0 0 0"
Name="listView2" SelectionMode="Single" />
</ScrollViewer>
</Grid>
<GridSplitter ResizeBehavior="PreviousAndNext"
ResizeDirection="Columns" Background="Red" Grid.Column="1" Grid.Row="0"
Height="Auto" Width="3" HorizontalAlignment="Left"
VerticalAlignment="Stretch" />
</Grid>
</ScrollViewer>
</Grid>
</Grid>
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Hi there,
I am new to WPF. I have some 2 textboxes and a button on the form. Below these, there is a grid.
My requirement is to resize the grid and realign the controls, according to the size of the window.
Thanks and Regards
-
Sameer
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