WPF Weird behavior or me? [modified]
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Thanks for your input Pete,
Pete O'Hanlon wrote:
horizontalalignment="Stretch">;Style="{StaticResource CustomBorderStyle}"
I'm a terrible typer...I was going back and adding the < and > 's and produced the typo. I get these error periodically when working with UserControls, which is where the style is used and I get 3 errors. Could not create instance of ProjectView (my user control) Value TaskMgrResourceDictionary.xaml cannot be assigned to property 'Source'. The resource dictionary XAML file has errors and cannot be loaded. The application XAML file failed to load. Fix errors in the application XAML before opening the XAML files. Like you if I strip this code out and and use it in line it works great. Its in several locations also, and all are user controls? Except for the MainWindow not showing because of the errors in the user controls. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
Mike Hankey wrote:
Value TaskMgrResourceDictionary.xaml cannot be assigned to property 'Source'. The resource dictionary XAML file has errors and cannot be loaded.
Since it works inline, your problem seems to be in the resources, as indicated by the errors. That's probably a good place to look for errors :)
Mark Salsbery Microsoft MVP - Visual C++ :java:
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Mike Hankey wrote:
Value TaskMgrResourceDictionary.xaml cannot be assigned to property 'Source'. The resource dictionary XAML file has errors and cannot be loaded.
Since it works inline, your problem seems to be in the resources, as indicated by the errors. That's probably a good place to look for errors :)
Mark Salsbery Microsoft MVP - Visual C++ :java:
Mark, I had this problem using a DataGrid control and turned out that I could remove the code that styled the headers and it worked for a while then quit again a short time later. I'm thinking it has something to do with UserControls but not quite sure. The reason I posted this question was to see if anyone else had had this problem using UserControls in their app. I've heard that there are problems using them and was wanting to see if this was one of them. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
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Mark, I had this problem using a DataGrid control and turned out that I could remove the code that styled the headers and it worked for a while then quit again a short time later. I'm thinking it has something to do with UserControls but not quite sure. The reason I posted this question was to see if anyone else had had this problem using UserControls in their app. I've heard that there are problems using them and was wanting to see if this was one of them. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
I use UserControls extensively and I've never had any problems with them. The only thing I can think of is that you might have a problem with the way they have been registered when you have merged your ResourceDictionaries.
"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.
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I use UserControls extensively and I've never had any problems with them. The only thing I can think of is that you might have a problem with the way they have been registered when you have merged your ResourceDictionaries.
"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.
Operator error, surely not. :) This is my app.xaml file.
<Application x:Class="WpfTaskManager.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"><Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="TaskMgrResourceDictionary.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
</Application>Appreciate the input. You've convinced me that I am the cause of the problem so will get with the program and find it. Didn't want to pull my hair out over this one, (as I get older and my hair thinner I have to be careful of the problems involving hair pulling. :), if it wasn't something that I had done. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
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Operator error, surely not. :) This is my app.xaml file.
<Application x:Class="WpfTaskManager.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"><Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="TaskMgrResourceDictionary.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
</Application>Appreciate the input. You've convinced me that I am the cause of the problem so will get with the program and find it. Didn't want to pull my hair out over this one, (as I get older and my hair thinner I have to be careful of the problems involving hair pulling. :), if it wasn't something that I had done. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
Mike, Ditto Pete's reply - If UserControls had a major malfunction I'd be in a world of pain and tears :) I still suspect the culprit is in the bowels of your TaskMgrResourceDictionary.xaml. Mark
Mark Salsbery Microsoft MVP - Visual C++ :java:
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Mike, Ditto Pete's reply - If UserControls had a major malfunction I'd be in a world of pain and tears :) I still suspect the culprit is in the bowels of your TaskMgrResourceDictionary.xaml. Mark
Mark Salsbery Microsoft MVP - Visual C++ :java:
Thanks guys, You are probably right, its got to be somewhere in there and will remove code until I find it. I'm just getting my sleaves rolled up with WPF and am bound to make many stupid mistakes. Hope y'all will bear with me. I can get most of them without help but sometimes I just plain get frustrated and need a shove, or a shift kick in the kester. Thanks again, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
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Thanks guys, You are probably right, its got to be somewhere in there and will remove code until I find it. I'm just getting my sleaves rolled up with WPF and am bound to make many stupid mistakes. Hope y'all will bear with me. I can get most of them without help but sometimes I just plain get frustrated and need a shove, or a shift kick in the kester. Thanks again, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
Mike - I've got to recommend Blend as an invaluable help here. It allows you to save resources, which you set through the interface, removing chances for errors.
"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.
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Mike - I've got to recommend Blend as an invaluable help here. It allows you to save resources, which you set through the interface, removing chances for errors.
"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.
Pete O'Hanlon wrote:
I've got to recommend Blend as an invaluable help here
Pete, You are probably right but there are/were two things that held me back from purchasing; 1) I'm just to damn cheap to buy it, can't justify the $500 2) I looked at like this. It's like driving a car, if you learn to drive a stick you can drive anything on the road, if you learn automatic your limited. Don't know if this makes any sense or not? I've got a trial version of blend but really haven't taken the time that I should with it. Boss at work gave us an assignment to do an Outlook demo and I thought it was pretty cool, had some quirks but it was probably just me. I'll give blend another try. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
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Pete O'Hanlon wrote:
I've got to recommend Blend as an invaluable help here
Pete, You are probably right but there are/were two things that held me back from purchasing; 1) I'm just to damn cheap to buy it, can't justify the $500 2) I looked at like this. It's like driving a car, if you learn to drive a stick you can drive anything on the road, if you learn automatic your limited. Don't know if this makes any sense or not? I've got a trial version of blend but really haven't taken the time that I should with it. Boss at work gave us an assignment to do an Outlook demo and I thought it was pretty cool, had some quirks but it was probably just me. I'll give blend another try. Thanks, Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
Mike Hankey wrote:
if you learn to drive a stick you can drive anything on the road, if you learn automatic your limited. Don't know if this makes any sense or not?
I'm from the UK. That's pretty much the only way to learn over here. ;) If you learn automatic over here, you're not qualified to drive stick.
"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.
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Hey y'all has anyone else run across this problem? and if so is there a work around? I have a ResourceDictioinary where I have a linear brush declared;
<LinearGradientBrush x:Key="BlueLinearBrush" EndPoint="0.5,1" StartPoint="0.5,0"> <gradientstop color="PowderBlue" offset="0" /> <gradientstop color="SteelBlue" offset="1" /> </LinearGradientBrush>and a style that uses the Brush
<style x:key="CustomBorderStyle" targettype="{x:Type Border}"> <setter property="Background" value="{StaticResource BlueLinearBrush}" /> ..... </style>In my App.xaml file I have cone the MergeDictioinaires then in my code I use it:
..... <border horizontalalignment="Stretch">**Style="{StaticResource CustomBorderStyle}"**\> <textblock text="{Binding Path=Name}" horizontalalignment="Center" fontweight="Bold" /> </border> .....but it gives me problems here? I've googled and the examples I've found say this is legal as seen here[^]. The app runs fine but its annoying because I can't see the design or look at properties because of the error. WTF? Mike
"It doesn't matter how big a ranch ya' own, or how many cows ya' brand, the size of your funeral is still gonna depend on the weather." -Harry Truman.
Semper Fi http://www.hq4thmarinescomm.com[^] My Site
modified on Sunday, March 15, 2009 8:26 PM
