RobinPerris/DarkUI

C++ / CLI compatibility

Grokiff opened this issue · 2 comments

Grokiff commented

Hi,

Thanks a lot for your Dark UI Components library.
I try to use it within a C++ / CLI project in Visual Studio.
I Try to use DockPanel with DockToolWindows

I have created a Form inherited from DarkToolWindow :

public ref class TFrmToolTest : public DarkToolWindow
	{
	public:
		TFrmToolTest(void)
		{
			this->InitializeComponent();
			//
			//TODO: ajoutez ici le code du constructeur
			//
		}
[...]
};

It works fine, In the VS designer, I see my ToolWindow and I can edit it.

My problem :
In my main class (main form), I have created a DarkToolWindow List :

List<DarkToolWindow^>^ ToolWindows;
this->ToolWindows = gcnew List<DarkToolWindow^>();

After that I add a TFrmToolWindow in the list :

this->ToolWindows->Add(gcnew TFrmToolTest());

The runtime error occurs when I try to itterate the list in a for loop to add the ToolWindow to the DarkPanel Components list :

for each (DarkToolWindow ^ toolWindow in this->ToolWindows)
	this->DockPanel->AddContent(toolWindow);   // <- Runtime error

The error is :

System.Collections.Generic.KeyNotFoundException :

I never had this kind of error before and I can't find a solution.
Do you have an idea of the problem ?

Thanks a lot

RobinPerris commented

KeyNotFoundException is raised when you attempt to reference a dictionary entry by a key which does not exist.

The first line of code to reference a dictionary in AddContent() is:

DarkUI/DarkUI/Docking/DarkDockPanel.cs

Line 153 in 31603ae

var region = _regions[dockContent.DockArea];

DarkDockPanel automatically generates the following regions when it is instantiated: Document, Left, Right, and Bottom, so I would assume that your TFrmToolTest class does not have a valid DefaultDockArea property set. (A form's initial DockArea value is set by DefaultDockArea)

I'm not sure how this works in C++, but in the C# example the DefaultDockArea is set through the visual designer. The generated code looks like this:

DarkUI/Example/Forms/Docking/DockProperties.Designer.cs

Line 180 in 31603ae

this.DefaultDockArea = DarkUI.Docking.DarkDockArea.Right;

Try setting this through the designer or manually in your code. If this does not fix the problem, can you please attach your call stack so I can look in more detail?

Grokiff commented